<html><body><p><font size="2">Kevin,</font><br><br><font size="2">The improved rebalance function (mmrestripefs -b) only depends on the cluster level being (at least) 5.0.0, and will work with older file system formats as well. This particular improvement did not require a change in the format/structure of the file system.</font><br><br><font size="2"> Felipe</font><br><br><font size="2">----<br>Felipe Knop knop@us.ibm.com<br>GPFS Development and Security<br>IBM Systems<br>IBM Building 008<br>2455 South Rd, Poughkeepsie, NY 12601<br>(845) 433-9314 T/L 293-9314<br><br></font><br><br><img width="16" height="16" src="cid:1__=8FBB0B74DFF748678f9e8a93df938690918c8FB@" border="0" alt="Inactive hide details for "Buterbaugh, Kevin L" ---11/29/2017 12:51:33 PM---Simon in correct … I’d love to be able to support"><font size="2" color="#424282">"Buterbaugh, Kevin L" ---11/29/2017 12:51:33 PM---Simon in correct … I’d love to be able to support a larger block size for my users who have sane wor</font><br><br><font size="2" color="#5F5F5F">From: </font><font size="2">"Buterbaugh, Kevin L" <Kevin.Buterbaugh@Vanderbilt.Edu></font><br><font size="2" color="#5F5F5F">To: </font><font size="2">gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></font><br><font size="2" color="#5F5F5F">Date: </font><font size="2">11/29/2017 12:51 PM</font><br><font size="2" color="#5F5F5F">Subject: </font><font size="2">Re: [gpfsug-discuss] 5.0 features?</font><br><font size="2" color="#5F5F5F">Sent by: </font><font size="2">gpfsug-discuss-bounces@spectrumscale.org</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><tt><font size="2">Simon in correct … I’d love to be able to support a larger block size for my users who have sane workflows while still not wasting a ton of space for the biomedical folks…. ;-)<br><br><br><br>A question … will the new, much improved, much faster mmrestripefs that was touted at SC17 require a filesystem that was created with GPFS / Tiger Shark / Spectrum Scale / Multi-media filesystem (<grin>) version 5 or simply one that has been “upgraded” to that format?<br><br><br><br>Thanks…<br><br><br><br>Kevin<br><br><br><br>> On Nov 29, 2017, at 11:43 AM, Simon Thompson (IT Research Support) <S.J.Thompson@bham.ac.uk> wrote:<br><br>> <br><br>> You can in place upgrade.<br><br>> <br><br>> I think what people are referring to is likely things like the new sub block sizing for **new** filesystems.<br><br>> <br><br>> Simon<br><br>> ________________________________________<br><br>> From: gpfsug-discuss-bounces@spectrumscale.org [gpfsug-discuss-bounces@spectrumscale.org] on behalf of jfosburg@mdanderson.org [jfosburg@mdanderson.org]<br><br>> Sent: 29 November 2017 17:40<br><br>> To: gpfsug main discussion list<br><br>> Subject: Re: [gpfsug-discuss] 5.0 features?<br><br>> <br><br>> I haven’t even heard it’s been released or has been announced. I’ve requested a roadmap discussion.<br><br>> <br><br>> From: <gpfsug-discuss-bounces@spectrumscale.org> on behalf of Marc A Kaplan <makaplan@us.ibm.com><br><br>> Reply-To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br><br>> Date: Wednesday, November 29, 2017 at 11:38 AM<br><br>> To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br><br>> Subject: Re: [gpfsug-discuss] 5.0 features?<br><br>> <br><br>> Which features of 5.0 require a not-in-place upgrade of a file system? Where has this information been published?<br><br>> <br><br>> <br><br>> The information contained in this e-mail message may be privileged, confidential, and/or protected from disclosure. This e-mail message may contain protected health information (PHI); dissemination of PHI should comply with applicable federal and state laws. 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