From chair at gpfsug.org Mon Feb 2 15:29:09 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 15:29:09 +0000 Subject: [gpfsug-discuss] Feb 18th - Meet the GPFS Devs Message-ID: <54CF97C5.6070007@gpfsug.org> Hi all I've put up a post for the 'Meet the Devs' on 18th Feb. The format will be: see what the GPFS devs are working on, chat / discuss, pizza and coffee. They're really looking forward to meeting some users. If you'd like to attend, please email secretary at gpfsug.org See: http://www.gpfsug.org/gpfs-coffee-shop-1/ Very best, Jez From chair at gpfsug.org Mon Feb 2 16:02:29 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 16:02:29 +0000 Subject: [gpfsug-discuss] First IBM developer blog post Message-ID: <54CF9F95.3000802@gpfsug.org> Hi all Our first IBM developer's blog post is up. http://www.gpfsug.org/gpfs-with-object/ Please take 10 secs to give some feedback via the mailing list. Are we hitting the right level, spot, content etc.? What would you like to see? Very best, Jez From ben.roeder at sohonet.com Mon Feb 2 16:19:15 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Mon, 2 Feb 2015 16:19:15 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <54CF9F95.3000802@gpfsug.org> References: <54CF9F95.3000802@gpfsug.org> Message-ID: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From bruno.silva at crick.ac.uk Tue Feb 3 11:31:53 2015 From: bruno.silva at crick.ac.uk (Bruno Silva) Date: Tue, 3 Feb 2015 11:31:53 +0000 Subject: [gpfsug-discuss] Senior HPC Data and Storage Systems Engineer Message-ID: <56C37F30-CED5-4874-8CBC-44C492EE5B18@crick.ac.uk> Dear All, The Francis Crick Institute is recruiting a Senior HPC Data and Storage Systems Engineer. This is a fantastic opportunity as the successful candidate will be directly involved in the design and implementation of the Crick's research data management systems and services, in collaboration with some of the most talented Scientists and Engineers in this field. They will also be directly involved in the operations and development of eMedlab - the bleeding edge infrastructure supporting Biomedical multidisciplinary research collaborations between the Crick, UCL, QMUL, LSHTM, EBI and the Sanger. The application should consist of a CV and covering letter stating the candidate's suitability for the role, salary expectations, notice period if applicable, and two references. For more information, please follow the short link: http://bit.ly/1BRGq8U Applications should be sent to jobs at crick.ac.uk no later than the 16th of February, 2015. Feel free to contact me with any questions about the role prior to the closing date. Kind regards, Bruno ___________________________________ Dr Bruno Silva High Performance Computing Lead The Francis Crick Institute Gibbs Building 215 Euston Road London NW1 2BE T: 020 7611 2117 E: Bruno.Silva at crick.ac.uk W: www.crick.ac.uk The Francis Crick Institute Limited is a registered charity in England and Wales no. 1140062 and a company registered in England and Wales no.06885462, with its registered office at 215 Euston Road, London NW1 2BE. -------------- next part -------------- An HTML attachment was scrubbed... URL: From S.J.Thompson at bham.ac.uk Tue Feb 10 15:17:21 2015 From: S.J.Thompson at bham.ac.uk (Simon Thompson (Research Computing - IT Services)) Date: Tue, 10 Feb 2015 15:17:21 +0000 Subject: [gpfsug-discuss] systemd Message-ID: Does any one have a systemd manifest for GPFS which they would share? As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. Or any suggestions on making systemd services dependent on a SysV script? Thanks Simon From chair at gpfsug.org Thu Feb 12 09:04:05 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Thu, 12 Feb 2015 09:04:05 +0000 Subject: [gpfsug-discuss] systemd In-Reply-To: References: Message-ID: <54DC6C85.4020303@gpfsug.org> I don't have one to hand, however, perhaps these links help. http://0pointer.de/blog/projects/systemd-for-admins-3.html http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd http://www.redmine.org/boards/1/topics/32763 By all means share your efforts on the UG github. Jez On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: > Does any one have a systemd manifest for GPFS which they would share? > > As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. > > We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. > > Or any suggestions on making systemd services dependent on a SysV script? > > Thanks > > Simon > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From stijn.deweirdt at ugent.be Thu Feb 12 09:08:15 2015 From: stijn.deweirdt at ugent.be (Stijn De Weirdt) Date: Thu, 12 Feb 2015 10:08:15 +0100 Subject: [gpfsug-discuss] systemd In-Reply-To: <54DC6C85.4020303@gpfsug.org> References: <54DC6C85.4020303@gpfsug.org> Message-ID: <54DC6D7F.8060008@ugent.be> systemd should handle sysv services just fine, and you can/should be able to use gpfs.service in any After and/or Requires (it's basically how the network.service works on EL7) stijn On 02/12/2015 10:04 AM, Jez Tucker (Chair) wrote: > I don't have one to hand, however, perhaps these links help. > > http://0pointer.de/blog/projects/systemd-for-admins-3.html > http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd > > http://www.redmine.org/boards/1/topics/32763 > > By all means share your efforts on the UG github. > > Jez > > On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: >> Does any one have a systemd manifest for GPFS which they would share? >> >> As RedHat EL 7 is now using systemd and Ubuntu is now supported with >> 4.1p5, it seems sensible for GPFS to have systemd support. >> >> We're testing some services running off gpfs and it would be useful to >> have a manifest so we can make the services dependent on gpfs being up >> before they start. >> >> Or any suggestions on making systemd services dependent on a SysV script? >> >> Thanks >> >> Simon >> _______________________________________________ >> gpfsug-discuss mailing list >> gpfsug-discuss at gpfsug.org >> http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > From bbanister at jumptrading.com Fri Feb 20 19:10:06 2015 From: bbanister at jumptrading.com (Bryan Banister) Date: Fri, 20 Feb 2015 19:10:06 +0000 Subject: [gpfsug-discuss] Experience with 4K native sector drives? Message-ID: <21BC488F0AEA2245B2C3E83FC0B33DBB0580120B@CHI-EXCHANGEW1.w2k.jumptrading.com> Hello fellow GPFS Users! I'm seeking any advice or accounts of how sites are using 4K sector disk drives today. I know that GPFS does support 4K sector drives. Are there any known issues (e.g. performance, interoperability, etc) with using 512 byte sector drives and 4K sector drives in the same file system? Any advice is greatly appreciated, -Bryan ________________________________ Note: This email is for the confidential use of the named addressee(s) only and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you are hereby notified that any review, dissemination or copying of this email is strictly prohibited, and to please notify the sender immediately and destroy this email and any attachments. Email transmission cannot be guaranteed to be secure or error-free. The Company, therefore, does not make any guarantees as to the completeness or accuracy of this email or any attachments. This email is for informational purposes only and does not constitute a recommendation, offer, request or solicitation of any kind to buy, sell, subscribe, redeem or perform any type of transaction of a financial product. -------------- next part -------------- An HTML attachment was scrubbed... URL: From dhildeb at us.ibm.com Sun Feb 22 23:55:06 2015 From: dhildeb at us.ibm.com (Dean Hildebrand) Date: Sun, 22 Feb 2015 15:55:06 -0800 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Ben, Can you explain a bit more about what you mean by opposite of the post? Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding... On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet.... Dean Hildebrand IBM Almaden Research Center From: Ben Roeder To: chair at gpfsug.org, gpfsug main discussion list Date: 02/02/2015 08:19 AM Subject: Re: [gpfsug-discuss] First IBM developer blog post Sent by: gpfsug-discuss-bounces at gpfsug.org Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at gpfsug.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... 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Name: graycol.gif Type: image/gif Size: 105 bytes Desc: not available URL: From ben.roeder at sohonet.com Tue Feb 24 14:52:31 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Tue, 24 Feb 2015 14:52:31 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Comments inline Ben -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 22 Feb 2015, at 23:55, Dean Hildebrand wrote: > > Hi Ben, > > Can you explain a bit more about what you mean by opposite of the post? > I do not want to host swift on GPFS, I would like to page files/objects out from GPFS to Swift > > Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding? > I understand. There is a lot going on here, see http://www.snia.org/sites/default/files/Luse_Kevin_SNIATutorialSwift_Object_Storage2014_final.pdf for some background. > > On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet?. > Would like to know more about this, as this is exactly what I am talking about from the description. Is this DMAPI based ? How do I get more information on this ? > > Dean Hildebrand > IBM Almaden Research Center > > > Ben Roeder ---02/02/2015 08:19:47 AM---Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, in > > From: Ben Roeder > To: chair at gpfsug.org, gpfsug main discussion list > Date: 02/02/2015 08:19 AM > Subject: Re: [gpfsug-discuss] First IBM developer blog post > Sent by: gpfsug-discuss-bounces at gpfsug.org > > > > Hi, > I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. > > I would like to see the ability to page files out to the object store, like you can to LTFS. > > as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. > > Ben Roeder > ben.roeder at sohonet.com > -- > ------------------------------------------------------------------------------- > Sohonet Ltd web : http://www.sohonet.com/ > The Surest Path support : support at sohonet.com > 24x7 : +44 20 7292 6909 > +1 310 449 8610 > +61 1800 77 5280 > +64 9 951 8126 > For full details of Sohonet's registered offices/addresses > please visit http://www.sohonet.com/contact-us/ > ------------------------------------------------------------------------------- > > > > > > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > > > Hi all > > > > Our first IBM developer's blog post is up. > > > > http://www.gpfsug.org/gpfs-with-object/ > > > > Please take 10 secs to give some feedback via the mailing list. > > Are we hitting the right level, spot, content etc.? > > > > What would you like to see? > > > > Very best, > > > > Jez > > > > > > > > > > _______________________________________________ > > gpfsug-discuss mailing list > > gpfsug-discuss at gpfsug.org > > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... URL: From chair at gpfsug.org Tue Feb 24 15:13:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Tue, 24 Feb 2015 15:13:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date Message-ID: <54EC950A.5020300@gpfsug.org> Hello all The 2015 GPFS User Group date is 1st May. Alike last year, the event will be held at the Client Centre at IBM Southbank, London. Event times likely to be 10:30 (for 11:00 start) to 16:00. For those of you that did attend last year, Sven Oehme is again rather likely to be presenting. A full agenda will appear on the UG Website in the near future. Please register your interest to secretary at gpfsug.org Best regards Jez From chair at gpfsug.org Wed Feb 25 14:01:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:01:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date In-Reply-To: <54EC950A.5020300@gpfsug.org> References: <54EC950A.5020300@gpfsug.org> Message-ID: <54EDD5AA.4030504@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez From chair at gpfsug.org Wed Feb 25 14:02:16 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:02:16 +0000 Subject: [gpfsug-discuss] GPFS UG 2015 date potential alteration Message-ID: <54EDD5E8.7090905@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez From chair at gpfsug.org Mon Feb 2 15:29:09 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 15:29:09 +0000 Subject: [gpfsug-discuss] Feb 18th - Meet the GPFS Devs Message-ID: <54CF97C5.6070007@gpfsug.org> Hi all I've put up a post for the 'Meet the Devs' on 18th Feb. The format will be: see what the GPFS devs are working on, chat / discuss, pizza and coffee. They're really looking forward to meeting some users. If you'd like to attend, please email secretary at gpfsug.org See: http://www.gpfsug.org/gpfs-coffee-shop-1/ Very best, Jez From chair at gpfsug.org Mon Feb 2 16:02:29 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 16:02:29 +0000 Subject: [gpfsug-discuss] First IBM developer blog post Message-ID: <54CF9F95.3000802@gpfsug.org> Hi all Our first IBM developer's blog post is up. http://www.gpfsug.org/gpfs-with-object/ Please take 10 secs to give some feedback via the mailing list. Are we hitting the right level, spot, content etc.? What would you like to see? Very best, Jez From ben.roeder at sohonet.com Mon Feb 2 16:19:15 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Mon, 2 Feb 2015 16:19:15 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <54CF9F95.3000802@gpfsug.org> References: <54CF9F95.3000802@gpfsug.org> Message-ID: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From bruno.silva at crick.ac.uk Tue Feb 3 11:31:53 2015 From: bruno.silva at crick.ac.uk (Bruno Silva) Date: Tue, 3 Feb 2015 11:31:53 +0000 Subject: [gpfsug-discuss] Senior HPC Data and Storage Systems Engineer Message-ID: <56C37F30-CED5-4874-8CBC-44C492EE5B18@crick.ac.uk> Dear All, The Francis Crick Institute is recruiting a Senior HPC Data and Storage Systems Engineer. This is a fantastic opportunity as the successful candidate will be directly involved in the design and implementation of the Crick's research data management systems and services, in collaboration with some of the most talented Scientists and Engineers in this field. They will also be directly involved in the operations and development of eMedlab - the bleeding edge infrastructure supporting Biomedical multidisciplinary research collaborations between the Crick, UCL, QMUL, LSHTM, EBI and the Sanger. The application should consist of a CV and covering letter stating the candidate's suitability for the role, salary expectations, notice period if applicable, and two references. For more information, please follow the short link: http://bit.ly/1BRGq8U Applications should be sent to jobs at crick.ac.uk no later than the 16th of February, 2015. Feel free to contact me with any questions about the role prior to the closing date. Kind regards, Bruno ___________________________________ Dr Bruno Silva High Performance Computing Lead The Francis Crick Institute Gibbs Building 215 Euston Road London NW1 2BE T: 020 7611 2117 E: Bruno.Silva at crick.ac.uk W: www.crick.ac.uk The Francis Crick Institute Limited is a registered charity in England and Wales no. 1140062 and a company registered in England and Wales no.06885462, with its registered office at 215 Euston Road, London NW1 2BE. -------------- next part -------------- An HTML attachment was scrubbed... URL: From S.J.Thompson at bham.ac.uk Tue Feb 10 15:17:21 2015 From: S.J.Thompson at bham.ac.uk (Simon Thompson (Research Computing - IT Services)) Date: Tue, 10 Feb 2015 15:17:21 +0000 Subject: [gpfsug-discuss] systemd Message-ID: Does any one have a systemd manifest for GPFS which they would share? As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. Or any suggestions on making systemd services dependent on a SysV script? Thanks Simon From chair at gpfsug.org Thu Feb 12 09:04:05 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Thu, 12 Feb 2015 09:04:05 +0000 Subject: [gpfsug-discuss] systemd In-Reply-To: References: Message-ID: <54DC6C85.4020303@gpfsug.org> I don't have one to hand, however, perhaps these links help. http://0pointer.de/blog/projects/systemd-for-admins-3.html http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd http://www.redmine.org/boards/1/topics/32763 By all means share your efforts on the UG github. Jez On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: > Does any one have a systemd manifest for GPFS which they would share? > > As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. > > We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. > > Or any suggestions on making systemd services dependent on a SysV script? > > Thanks > > Simon > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From stijn.deweirdt at ugent.be Thu Feb 12 09:08:15 2015 From: stijn.deweirdt at ugent.be (Stijn De Weirdt) Date: Thu, 12 Feb 2015 10:08:15 +0100 Subject: [gpfsug-discuss] systemd In-Reply-To: <54DC6C85.4020303@gpfsug.org> References: <54DC6C85.4020303@gpfsug.org> Message-ID: <54DC6D7F.8060008@ugent.be> systemd should handle sysv services just fine, and you can/should be able to use gpfs.service in any After and/or Requires (it's basically how the network.service works on EL7) stijn On 02/12/2015 10:04 AM, Jez Tucker (Chair) wrote: > I don't have one to hand, however, perhaps these links help. > > http://0pointer.de/blog/projects/systemd-for-admins-3.html > http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd > > http://www.redmine.org/boards/1/topics/32763 > > By all means share your efforts on the UG github. > > Jez > > On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: >> Does any one have a systemd manifest for GPFS which they would share? >> >> As RedHat EL 7 is now using systemd and Ubuntu is now supported with >> 4.1p5, it seems sensible for GPFS to have systemd support. >> >> We're testing some services running off gpfs and it would be useful to >> have a manifest so we can make the services dependent on gpfs being up >> before they start. >> >> Or any suggestions on making systemd services dependent on a SysV script? >> >> Thanks >> >> Simon >> _______________________________________________ >> gpfsug-discuss mailing list >> gpfsug-discuss at gpfsug.org >> http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > From bbanister at jumptrading.com Fri Feb 20 19:10:06 2015 From: bbanister at jumptrading.com (Bryan Banister) Date: Fri, 20 Feb 2015 19:10:06 +0000 Subject: [gpfsug-discuss] Experience with 4K native sector drives? Message-ID: <21BC488F0AEA2245B2C3E83FC0B33DBB0580120B@CHI-EXCHANGEW1.w2k.jumptrading.com> Hello fellow GPFS Users! I'm seeking any advice or accounts of how sites are using 4K sector disk drives today. I know that GPFS does support 4K sector drives. Are there any known issues (e.g. performance, interoperability, etc) with using 512 byte sector drives and 4K sector drives in the same file system? Any advice is greatly appreciated, -Bryan ________________________________ Note: This email is for the confidential use of the named addressee(s) only and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you are hereby notified that any review, dissemination or copying of this email is strictly prohibited, and to please notify the sender immediately and destroy this email and any attachments. Email transmission cannot be guaranteed to be secure or error-free. The Company, therefore, does not make any guarantees as to the completeness or accuracy of this email or any attachments. This email is for informational purposes only and does not constitute a recommendation, offer, request or solicitation of any kind to buy, sell, subscribe, redeem or perform any type of transaction of a financial product. -------------- next part -------------- An HTML attachment was scrubbed... URL: From dhildeb at us.ibm.com Sun Feb 22 23:55:06 2015 From: dhildeb at us.ibm.com (Dean Hildebrand) Date: Sun, 22 Feb 2015 15:55:06 -0800 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Ben, Can you explain a bit more about what you mean by opposite of the post? Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding... On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet.... Dean Hildebrand IBM Almaden Research Center From: Ben Roeder To: chair at gpfsug.org, gpfsug main discussion list Date: 02/02/2015 08:19 AM Subject: Re: [gpfsug-discuss] First IBM developer blog post Sent by: gpfsug-discuss-bounces at gpfsug.org Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at gpfsug.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... 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Name: graycol.gif Type: image/gif Size: 105 bytes Desc: not available URL: From ben.roeder at sohonet.com Tue Feb 24 14:52:31 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Tue, 24 Feb 2015 14:52:31 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Comments inline Ben -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 22 Feb 2015, at 23:55, Dean Hildebrand wrote: > > Hi Ben, > > Can you explain a bit more about what you mean by opposite of the post? > I do not want to host swift on GPFS, I would like to page files/objects out from GPFS to Swift > > Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding? > I understand. There is a lot going on here, see http://www.snia.org/sites/default/files/Luse_Kevin_SNIATutorialSwift_Object_Storage2014_final.pdf for some background. > > On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet?. > Would like to know more about this, as this is exactly what I am talking about from the description. Is this DMAPI based ? How do I get more information on this ? > > Dean Hildebrand > IBM Almaden Research Center > > > Ben Roeder ---02/02/2015 08:19:47 AM---Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, in > > From: Ben Roeder > To: chair at gpfsug.org, gpfsug main discussion list > Date: 02/02/2015 08:19 AM > Subject: Re: [gpfsug-discuss] First IBM developer blog post > Sent by: gpfsug-discuss-bounces at gpfsug.org > > > > Hi, > I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. > > I would like to see the ability to page files out to the object store, like you can to LTFS. > > as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. > > Ben Roeder > ben.roeder at sohonet.com > -- > ------------------------------------------------------------------------------- > Sohonet Ltd web : http://www.sohonet.com/ > The Surest Path support : support at sohonet.com > 24x7 : +44 20 7292 6909 > +1 310 449 8610 > +61 1800 77 5280 > +64 9 951 8126 > For full details of Sohonet's registered offices/addresses > please visit http://www.sohonet.com/contact-us/ > ------------------------------------------------------------------------------- > > > > > > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > > > Hi all > > > > Our first IBM developer's blog post is up. > > > > http://www.gpfsug.org/gpfs-with-object/ > > > > Please take 10 secs to give some feedback via the mailing list. > > Are we hitting the right level, spot, content etc.? > > > > What would you like to see? > > > > Very best, > > > > Jez > > > > > > > > > > _______________________________________________ > > gpfsug-discuss mailing list > > gpfsug-discuss at gpfsug.org > > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... URL: From chair at gpfsug.org Tue Feb 24 15:13:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Tue, 24 Feb 2015 15:13:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date Message-ID: <54EC950A.5020300@gpfsug.org> Hello all The 2015 GPFS User Group date is 1st May. Alike last year, the event will be held at the Client Centre at IBM Southbank, London. Event times likely to be 10:30 (for 11:00 start) to 16:00. For those of you that did attend last year, Sven Oehme is again rather likely to be presenting. A full agenda will appear on the UG Website in the near future. Please register your interest to secretary at gpfsug.org Best regards Jez From chair at gpfsug.org Wed Feb 25 14:01:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:01:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date In-Reply-To: <54EC950A.5020300@gpfsug.org> References: <54EC950A.5020300@gpfsug.org> Message-ID: <54EDD5AA.4030504@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez From chair at gpfsug.org Wed Feb 25 14:02:16 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:02:16 +0000 Subject: [gpfsug-discuss] GPFS UG 2015 date potential alteration Message-ID: <54EDD5E8.7090905@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez From chair at gpfsug.org Mon Feb 2 15:29:09 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 15:29:09 +0000 Subject: [gpfsug-discuss] Feb 18th - Meet the GPFS Devs Message-ID: <54CF97C5.6070007@gpfsug.org> Hi all I've put up a post for the 'Meet the Devs' on 18th Feb. The format will be: see what the GPFS devs are working on, chat / discuss, pizza and coffee. They're really looking forward to meeting some users. If you'd like to attend, please email secretary at gpfsug.org See: http://www.gpfsug.org/gpfs-coffee-shop-1/ Very best, Jez From chair at gpfsug.org Mon Feb 2 16:02:29 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 16:02:29 +0000 Subject: [gpfsug-discuss] First IBM developer blog post Message-ID: <54CF9F95.3000802@gpfsug.org> Hi all Our first IBM developer's blog post is up. http://www.gpfsug.org/gpfs-with-object/ Please take 10 secs to give some feedback via the mailing list. Are we hitting the right level, spot, content etc.? What would you like to see? Very best, Jez From ben.roeder at sohonet.com Mon Feb 2 16:19:15 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Mon, 2 Feb 2015 16:19:15 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <54CF9F95.3000802@gpfsug.org> References: <54CF9F95.3000802@gpfsug.org> Message-ID: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From bruno.silva at crick.ac.uk Tue Feb 3 11:31:53 2015 From: bruno.silva at crick.ac.uk (Bruno Silva) Date: Tue, 3 Feb 2015 11:31:53 +0000 Subject: [gpfsug-discuss] Senior HPC Data and Storage Systems Engineer Message-ID: <56C37F30-CED5-4874-8CBC-44C492EE5B18@crick.ac.uk> Dear All, The Francis Crick Institute is recruiting a Senior HPC Data and Storage Systems Engineer. This is a fantastic opportunity as the successful candidate will be directly involved in the design and implementation of the Crick's research data management systems and services, in collaboration with some of the most talented Scientists and Engineers in this field. They will also be directly involved in the operations and development of eMedlab - the bleeding edge infrastructure supporting Biomedical multidisciplinary research collaborations between the Crick, UCL, QMUL, LSHTM, EBI and the Sanger. The application should consist of a CV and covering letter stating the candidate's suitability for the role, salary expectations, notice period if applicable, and two references. For more information, please follow the short link: http://bit.ly/1BRGq8U Applications should be sent to jobs at crick.ac.uk no later than the 16th of February, 2015. Feel free to contact me with any questions about the role prior to the closing date. Kind regards, Bruno ___________________________________ Dr Bruno Silva High Performance Computing Lead The Francis Crick Institute Gibbs Building 215 Euston Road London NW1 2BE T: 020 7611 2117 E: Bruno.Silva at crick.ac.uk W: www.crick.ac.uk The Francis Crick Institute Limited is a registered charity in England and Wales no. 1140062 and a company registered in England and Wales no.06885462, with its registered office at 215 Euston Road, London NW1 2BE. -------------- next part -------------- An HTML attachment was scrubbed... URL: From S.J.Thompson at bham.ac.uk Tue Feb 10 15:17:21 2015 From: S.J.Thompson at bham.ac.uk (Simon Thompson (Research Computing - IT Services)) Date: Tue, 10 Feb 2015 15:17:21 +0000 Subject: [gpfsug-discuss] systemd Message-ID: Does any one have a systemd manifest for GPFS which they would share? As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. Or any suggestions on making systemd services dependent on a SysV script? Thanks Simon From chair at gpfsug.org Thu Feb 12 09:04:05 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Thu, 12 Feb 2015 09:04:05 +0000 Subject: [gpfsug-discuss] systemd In-Reply-To: References: Message-ID: <54DC6C85.4020303@gpfsug.org> I don't have one to hand, however, perhaps these links help. http://0pointer.de/blog/projects/systemd-for-admins-3.html http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd http://www.redmine.org/boards/1/topics/32763 By all means share your efforts on the UG github. Jez On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: > Does any one have a systemd manifest for GPFS which they would share? > > As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. > > We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. > > Or any suggestions on making systemd services dependent on a SysV script? > > Thanks > > Simon > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From stijn.deweirdt at ugent.be Thu Feb 12 09:08:15 2015 From: stijn.deweirdt at ugent.be (Stijn De Weirdt) Date: Thu, 12 Feb 2015 10:08:15 +0100 Subject: [gpfsug-discuss] systemd In-Reply-To: <54DC6C85.4020303@gpfsug.org> References: <54DC6C85.4020303@gpfsug.org> Message-ID: <54DC6D7F.8060008@ugent.be> systemd should handle sysv services just fine, and you can/should be able to use gpfs.service in any After and/or Requires (it's basically how the network.service works on EL7) stijn On 02/12/2015 10:04 AM, Jez Tucker (Chair) wrote: > I don't have one to hand, however, perhaps these links help. > > http://0pointer.de/blog/projects/systemd-for-admins-3.html > http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd > > http://www.redmine.org/boards/1/topics/32763 > > By all means share your efforts on the UG github. > > Jez > > On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: >> Does any one have a systemd manifest for GPFS which they would share? >> >> As RedHat EL 7 is now using systemd and Ubuntu is now supported with >> 4.1p5, it seems sensible for GPFS to have systemd support. >> >> We're testing some services running off gpfs and it would be useful to >> have a manifest so we can make the services dependent on gpfs being up >> before they start. >> >> Or any suggestions on making systemd services dependent on a SysV script? >> >> Thanks >> >> Simon >> _______________________________________________ >> gpfsug-discuss mailing list >> gpfsug-discuss at gpfsug.org >> http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > From bbanister at jumptrading.com Fri Feb 20 19:10:06 2015 From: bbanister at jumptrading.com (Bryan Banister) Date: Fri, 20 Feb 2015 19:10:06 +0000 Subject: [gpfsug-discuss] Experience with 4K native sector drives? Message-ID: <21BC488F0AEA2245B2C3E83FC0B33DBB0580120B@CHI-EXCHANGEW1.w2k.jumptrading.com> Hello fellow GPFS Users! I'm seeking any advice or accounts of how sites are using 4K sector disk drives today. I know that GPFS does support 4K sector drives. Are there any known issues (e.g. performance, interoperability, etc) with using 512 byte sector drives and 4K sector drives in the same file system? Any advice is greatly appreciated, -Bryan ________________________________ Note: This email is for the confidential use of the named addressee(s) only and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you are hereby notified that any review, dissemination or copying of this email is strictly prohibited, and to please notify the sender immediately and destroy this email and any attachments. Email transmission cannot be guaranteed to be secure or error-free. The Company, therefore, does not make any guarantees as to the completeness or accuracy of this email or any attachments. This email is for informational purposes only and does not constitute a recommendation, offer, request or solicitation of any kind to buy, sell, subscribe, redeem or perform any type of transaction of a financial product. -------------- next part -------------- An HTML attachment was scrubbed... URL: From dhildeb at us.ibm.com Sun Feb 22 23:55:06 2015 From: dhildeb at us.ibm.com (Dean Hildebrand) Date: Sun, 22 Feb 2015 15:55:06 -0800 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Ben, Can you explain a bit more about what you mean by opposite of the post? Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding... On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet.... Dean Hildebrand IBM Almaden Research Center From: Ben Roeder To: chair at gpfsug.org, gpfsug main discussion list Date: 02/02/2015 08:19 AM Subject: Re: [gpfsug-discuss] First IBM developer blog post Sent by: gpfsug-discuss-bounces at gpfsug.org Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at gpfsug.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... 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Name: graycol.gif Type: image/gif Size: 105 bytes Desc: not available URL: From ben.roeder at sohonet.com Tue Feb 24 14:52:31 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Tue, 24 Feb 2015 14:52:31 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Comments inline Ben -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 22 Feb 2015, at 23:55, Dean Hildebrand wrote: > > Hi Ben, > > Can you explain a bit more about what you mean by opposite of the post? > I do not want to host swift on GPFS, I would like to page files/objects out from GPFS to Swift > > Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding? > I understand. There is a lot going on here, see http://www.snia.org/sites/default/files/Luse_Kevin_SNIATutorialSwift_Object_Storage2014_final.pdf for some background. > > On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet?. > Would like to know more about this, as this is exactly what I am talking about from the description. Is this DMAPI based ? How do I get more information on this ? > > Dean Hildebrand > IBM Almaden Research Center > > > Ben Roeder ---02/02/2015 08:19:47 AM---Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, in > > From: Ben Roeder > To: chair at gpfsug.org, gpfsug main discussion list > Date: 02/02/2015 08:19 AM > Subject: Re: [gpfsug-discuss] First IBM developer blog post > Sent by: gpfsug-discuss-bounces at gpfsug.org > > > > Hi, > I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. > > I would like to see the ability to page files out to the object store, like you can to LTFS. > > as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. > > Ben Roeder > ben.roeder at sohonet.com > -- > ------------------------------------------------------------------------------- > Sohonet Ltd web : http://www.sohonet.com/ > The Surest Path support : support at sohonet.com > 24x7 : +44 20 7292 6909 > +1 310 449 8610 > +61 1800 77 5280 > +64 9 951 8126 > For full details of Sohonet's registered offices/addresses > please visit http://www.sohonet.com/contact-us/ > ------------------------------------------------------------------------------- > > > > > > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > > > Hi all > > > > Our first IBM developer's blog post is up. > > > > http://www.gpfsug.org/gpfs-with-object/ > > > > Please take 10 secs to give some feedback via the mailing list. > > Are we hitting the right level, spot, content etc.? > > > > What would you like to see? > > > > Very best, > > > > Jez > > > > > > > > > > _______________________________________________ > > gpfsug-discuss mailing list > > gpfsug-discuss at gpfsug.org > > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... URL: From chair at gpfsug.org Tue Feb 24 15:13:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Tue, 24 Feb 2015 15:13:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date Message-ID: <54EC950A.5020300@gpfsug.org> Hello all The 2015 GPFS User Group date is 1st May. Alike last year, the event will be held at the Client Centre at IBM Southbank, London. Event times likely to be 10:30 (for 11:00 start) to 16:00. For those of you that did attend last year, Sven Oehme is again rather likely to be presenting. A full agenda will appear on the UG Website in the near future. Please register your interest to secretary at gpfsug.org Best regards Jez From chair at gpfsug.org Wed Feb 25 14:01:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:01:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date In-Reply-To: <54EC950A.5020300@gpfsug.org> References: <54EC950A.5020300@gpfsug.org> Message-ID: <54EDD5AA.4030504@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez From chair at gpfsug.org Wed Feb 25 14:02:16 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:02:16 +0000 Subject: [gpfsug-discuss] GPFS UG 2015 date potential alteration Message-ID: <54EDD5E8.7090905@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez From chair at gpfsug.org Mon Feb 2 15:29:09 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 15:29:09 +0000 Subject: [gpfsug-discuss] Feb 18th - Meet the GPFS Devs Message-ID: <54CF97C5.6070007@gpfsug.org> Hi all I've put up a post for the 'Meet the Devs' on 18th Feb. The format will be: see what the GPFS devs are working on, chat / discuss, pizza and coffee. They're really looking forward to meeting some users. If you'd like to attend, please email secretary at gpfsug.org See: http://www.gpfsug.org/gpfs-coffee-shop-1/ Very best, Jez From chair at gpfsug.org Mon Feb 2 16:02:29 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Mon, 02 Feb 2015 16:02:29 +0000 Subject: [gpfsug-discuss] First IBM developer blog post Message-ID: <54CF9F95.3000802@gpfsug.org> Hi all Our first IBM developer's blog post is up. http://www.gpfsug.org/gpfs-with-object/ Please take 10 secs to give some feedback via the mailing list. Are we hitting the right level, spot, content etc.? What would you like to see? Very best, Jez From ben.roeder at sohonet.com Mon Feb 2 16:19:15 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Mon, 2 Feb 2015 16:19:15 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <54CF9F95.3000802@gpfsug.org> References: <54CF9F95.3000802@gpfsug.org> Message-ID: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From bruno.silva at crick.ac.uk Tue Feb 3 11:31:53 2015 From: bruno.silva at crick.ac.uk (Bruno Silva) Date: Tue, 3 Feb 2015 11:31:53 +0000 Subject: [gpfsug-discuss] Senior HPC Data and Storage Systems Engineer Message-ID: <56C37F30-CED5-4874-8CBC-44C492EE5B18@crick.ac.uk> Dear All, The Francis Crick Institute is recruiting a Senior HPC Data and Storage Systems Engineer. This is a fantastic opportunity as the successful candidate will be directly involved in the design and implementation of the Crick's research data management systems and services, in collaboration with some of the most talented Scientists and Engineers in this field. They will also be directly involved in the operations and development of eMedlab - the bleeding edge infrastructure supporting Biomedical multidisciplinary research collaborations between the Crick, UCL, QMUL, LSHTM, EBI and the Sanger. The application should consist of a CV and covering letter stating the candidate's suitability for the role, salary expectations, notice period if applicable, and two references. For more information, please follow the short link: http://bit.ly/1BRGq8U Applications should be sent to jobs at crick.ac.uk no later than the 16th of February, 2015. Feel free to contact me with any questions about the role prior to the closing date. Kind regards, Bruno ___________________________________ Dr Bruno Silva High Performance Computing Lead The Francis Crick Institute Gibbs Building 215 Euston Road London NW1 2BE T: 020 7611 2117 E: Bruno.Silva at crick.ac.uk W: www.crick.ac.uk The Francis Crick Institute Limited is a registered charity in England and Wales no. 1140062 and a company registered in England and Wales no.06885462, with its registered office at 215 Euston Road, London NW1 2BE. -------------- next part -------------- An HTML attachment was scrubbed... URL: From S.J.Thompson at bham.ac.uk Tue Feb 10 15:17:21 2015 From: S.J.Thompson at bham.ac.uk (Simon Thompson (Research Computing - IT Services)) Date: Tue, 10 Feb 2015 15:17:21 +0000 Subject: [gpfsug-discuss] systemd Message-ID: Does any one have a systemd manifest for GPFS which they would share? As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. Or any suggestions on making systemd services dependent on a SysV script? Thanks Simon From chair at gpfsug.org Thu Feb 12 09:04:05 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Thu, 12 Feb 2015 09:04:05 +0000 Subject: [gpfsug-discuss] systemd In-Reply-To: References: Message-ID: <54DC6C85.4020303@gpfsug.org> I don't have one to hand, however, perhaps these links help. http://0pointer.de/blog/projects/systemd-for-admins-3.html http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd http://www.redmine.org/boards/1/topics/32763 By all means share your efforts on the UG github. Jez On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: > Does any one have a systemd manifest for GPFS which they would share? > > As RedHat EL 7 is now using systemd and Ubuntu is now supported with 4.1p5, it seems sensible for GPFS to have systemd support. > > We're testing some services running off gpfs and it would be useful to have a manifest so we can make the services dependent on gpfs being up before they start. > > Or any suggestions on making systemd services dependent on a SysV script? > > Thanks > > Simon > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss From stijn.deweirdt at ugent.be Thu Feb 12 09:08:15 2015 From: stijn.deweirdt at ugent.be (Stijn De Weirdt) Date: Thu, 12 Feb 2015 10:08:15 +0100 Subject: [gpfsug-discuss] systemd In-Reply-To: <54DC6C85.4020303@gpfsug.org> References: <54DC6C85.4020303@gpfsug.org> Message-ID: <54DC6D7F.8060008@ugent.be> systemd should handle sysv services just fine, and you can/should be able to use gpfs.service in any After and/or Requires (it's basically how the network.service works on EL7) stijn On 02/12/2015 10:04 AM, Jez Tucker (Chair) wrote: > I don't have one to hand, however, perhaps these links help. > > http://0pointer.de/blog/projects/systemd-for-admins-3.html > http://unix.stackexchange.com/questions/47695/how-to-write-startup-script-for-systemd > > http://www.redmine.org/boards/1/topics/32763 > > By all means share your efforts on the UG github. > > Jez > > On 10/02/15 15:17, Simon Thompson (Research Computing - IT Services) wrote: >> Does any one have a systemd manifest for GPFS which they would share? >> >> As RedHat EL 7 is now using systemd and Ubuntu is now supported with >> 4.1p5, it seems sensible for GPFS to have systemd support. >> >> We're testing some services running off gpfs and it would be useful to >> have a manifest so we can make the services dependent on gpfs being up >> before they start. >> >> Or any suggestions on making systemd services dependent on a SysV script? >> >> Thanks >> >> Simon >> _______________________________________________ >> gpfsug-discuss mailing list >> gpfsug-discuss at gpfsug.org >> http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > From bbanister at jumptrading.com Fri Feb 20 19:10:06 2015 From: bbanister at jumptrading.com (Bryan Banister) Date: Fri, 20 Feb 2015 19:10:06 +0000 Subject: [gpfsug-discuss] Experience with 4K native sector drives? Message-ID: <21BC488F0AEA2245B2C3E83FC0B33DBB0580120B@CHI-EXCHANGEW1.w2k.jumptrading.com> Hello fellow GPFS Users! I'm seeking any advice or accounts of how sites are using 4K sector disk drives today. I know that GPFS does support 4K sector drives. Are there any known issues (e.g. performance, interoperability, etc) with using 512 byte sector drives and 4K sector drives in the same file system? Any advice is greatly appreciated, -Bryan ________________________________ Note: This email is for the confidential use of the named addressee(s) only and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you are hereby notified that any review, dissemination or copying of this email is strictly prohibited, and to please notify the sender immediately and destroy this email and any attachments. Email transmission cannot be guaranteed to be secure or error-free. The Company, therefore, does not make any guarantees as to the completeness or accuracy of this email or any attachments. This email is for informational purposes only and does not constitute a recommendation, offer, request or solicitation of any kind to buy, sell, subscribe, redeem or perform any type of transaction of a financial product. -------------- next part -------------- An HTML attachment was scrubbed... URL: From dhildeb at us.ibm.com Sun Feb 22 23:55:06 2015 From: dhildeb at us.ibm.com (Dean Hildebrand) Date: Sun, 22 Feb 2015 15:55:06 -0800 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Ben, Can you explain a bit more about what you mean by opposite of the post? Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding... On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet.... Dean Hildebrand IBM Almaden Research Center From: Ben Roeder To: chair at gpfsug.org, gpfsug main discussion list Date: 02/02/2015 08:19 AM Subject: Re: [gpfsug-discuss] First IBM developer blog post Sent by: gpfsug-discuss-bounces at gpfsug.org Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. I would like to see the ability to page files out to the object store, like you can to LTFS. as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. Ben Roeder ben.roeder at sohonet.com -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 +64 9 951 8126 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > Hi all > > Our first IBM developer's blog post is up. > > http://www.gpfsug.org/gpfs-with-object/ > > Please take 10 secs to give some feedback via the mailing list. > Are we hitting the right level, spot, content etc.? > > What would you like to see? > > Very best, > > Jez > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at gpfsug.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... 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Name: graycol.gif Type: image/gif Size: 105 bytes Desc: not available URL: From ben.roeder at sohonet.com Tue Feb 24 14:52:31 2015 From: ben.roeder at sohonet.com (Ben Roeder) Date: Tue, 24 Feb 2015 14:52:31 +0000 Subject: [gpfsug-discuss] First IBM developer blog post In-Reply-To: References: <54CF9F95.3000802@gpfsug.org> <4B7A95FF-8857-42EA-BBE9-162B85337E81@sohonet.com> Message-ID: Hi Comments inline Ben -- ------------------------------------------------------------------------------- Sohonet Ltd web : http://www.sohonet.com/ The Surest Path support : support at sohonet.com 24x7 : +44 20 7292 6909 +1 310 449 8610 +61 1800 77 5280 For full details of Sohonet's registered offices/addresses please visit http://www.sohonet.com/contact-us/ ------------------------------------------------------------------------------- > On 22 Feb 2015, at 23:55, Dean Hildebrand wrote: > > Hi Ben, > > Can you explain a bit more about what you mean by opposite of the post? > I do not want to host swift on GPFS, I would like to page files/objects out from GPFS to Swift > > Regarding erasure coding, I'm confident in saying that not all erasure coding mechanisms were created equal, and I'm sure a deep dive on GPFS Native RAID could be provided for you that would clearly show how it is vastly superior in every way to the upcoming (1 year?) version of Swift erasure coding? > I understand. There is a lot going on here, see http://www.snia.org/sites/default/files/Luse_Kevin_SNIATutorialSwift_Object_Storage2014_final.pdf for some background. > > On your other question regarding paging files out to an object store, that is actually the exact feature provided by the upcoming MCStore feature that was described at IBM Insight and IBM Enterprise in 2014. Unfortunately there isn't a lot of external info about these feature yet?. > Would like to know more about this, as this is exactly what I am talking about from the description. Is this DMAPI based ? How do I get more information on this ? > > Dean Hildebrand > IBM Almaden Research Center > > > Ben Roeder ---02/02/2015 08:19:47 AM---Hi, I would like to see the exact opposite of this post, esp with erasure coding coming to swift, in > > From: Ben Roeder > To: chair at gpfsug.org, gpfsug main discussion list > Date: 02/02/2015 08:19 AM > Subject: Re: [gpfsug-discuss] First IBM developer blog post > Sent by: gpfsug-discuss-bounces at gpfsug.org > > > > Hi, > I would like to see the exact opposite of this post, esp with erasure coding coming to swift, instead of the 3 copies redundancy. > > I would like to see the ability to page files out to the object store, like you can to LTFS. > > as per http://www.zurich.ibm.com/sto/systems/bigdata.html but Openstack Swift instead of LTFS. > > Ben Roeder > ben.roeder at sohonet.com > -- > ------------------------------------------------------------------------------- > Sohonet Ltd web : http://www.sohonet.com/ > The Surest Path support : support at sohonet.com > 24x7 : +44 20 7292 6909 > +1 310 449 8610 > +61 1800 77 5280 > +64 9 951 8126 > For full details of Sohonet's registered offices/addresses > please visit http://www.sohonet.com/contact-us/ > ------------------------------------------------------------------------------- > > > > > > On 2 Feb 2015, at 16:02, Jez Tucker (Chair) wrote: > > > > Hi all > > > > Our first IBM developer's blog post is up. > > > > http://www.gpfsug.org/gpfs-with-object/ > > > > Please take 10 secs to give some feedback via the mailing list. > > Are we hitting the right level, spot, content etc.? > > > > What would you like to see? > > > > Very best, > > > > Jez > > > > > > > > > > _______________________________________________ > > gpfsug-discuss mailing list > > gpfsug-discuss at gpfsug.org > > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss -------------- next part -------------- An HTML attachment was scrubbed... URL: From chair at gpfsug.org Tue Feb 24 15:13:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Tue, 24 Feb 2015 15:13:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date Message-ID: <54EC950A.5020300@gpfsug.org> Hello all The 2015 GPFS User Group date is 1st May. Alike last year, the event will be held at the Client Centre at IBM Southbank, London. Event times likely to be 10:30 (for 11:00 start) to 16:00. For those of you that did attend last year, Sven Oehme is again rather likely to be presenting. A full agenda will appear on the UG Website in the near future. Please register your interest to secretary at gpfsug.org Best regards Jez From chair at gpfsug.org Wed Feb 25 14:01:14 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:01:14 +0000 Subject: [gpfsug-discuss] GPFS User Group 2015 date In-Reply-To: <54EC950A.5020300@gpfsug.org> References: <54EC950A.5020300@gpfsug.org> Message-ID: <54EDD5AA.4030504@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez From chair at gpfsug.org Wed Feb 25 14:02:16 2015 From: chair at gpfsug.org (Jez Tucker (Chair)) Date: Wed, 25 Feb 2015 14:02:16 +0000 Subject: [gpfsug-discuss] GPFS UG 2015 date potential alteration Message-ID: <54EDD5E8.7090905@gpfsug.org> Alteration. Due to a scheduling issue, we may have to potentially move the date from 1st May. We will confirm this as soon as possible. Apologies. Jez