[gpfsug-discuss] tsgskkm stuck---> what about AMD epyc support in GPFS?

[Giovanni Bracco]

OK from client side, but I would like to know if the same is also for 
NSD servers with AMD EPYC, do they operate with good performance 
compared to Intel CPUs?

Giovanni

On 03/09/20 00:28, Andrew Beattie wrote:
> Giovanni,
> I have clients in Australia that are running AMD ROME processors in 
> their Visualisation nodes connected to scale 5.0.4 clusters with no issues.
> Spectrum Scale doesn't differentiate between x86 processor technologies 
> -- it only looks at x86_64 (OS support more than anything else)
> Andrew Beattie
> File and Object Storage Technical Specialist - A/NZ
> IBM Systems - Storage
> Phone: 614-2133-7927
> E-mail: abeattie at au1.ibm.com <mailto:abeattie at au1.ibm.com>
> 
>     ----- Original message -----
>     From: Giovanni Bracco <giovanni.bracco at enea.it>
>     Sent by: gpfsug-discuss-bounces at spectrumscale.org
>     To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>,
>     Frederick Stock <stockf at us.ibm.com>
>     Cc:
>     Subject: [EXTERNAL] Re: [gpfsug-discuss] tsgskkm stuck---> what
>     about AMD epyc support in GPFS?
>     Date: Thu, Sep 3, 2020 7:29 AM
>     I am curious to know about AMD epyc support by GPFS: what is the status?
>     Giovanni Bracco
> 
>     On 28/08/20 14:25, Frederick Stock wrote:
>      > Not sure that Spectrum Scale has stated it supports the AMD epyc
>     (Rome?)
>      > processors.  You may want to open a help case to determine the
>     cause of
>      > this problem.
>      > Note that Spectrum Scale 4.2.x goes out of service on September
>     30, 2020
>      > so you may want to consider upgrading your cluster.  And should Scale
>      > officially support the AMD epyc processor it would not be on
>     Scale 4.2.x.
>      >
>      > Fred
>      > __________________________________________________
>      > Fred Stock | IBM Pittsburgh Lab | 720-430-8821
>      > stockf at us.ibm.com
>      >
>      >     ----- Original message -----
>      >     From: Philipp Helo Rehs <Philipp.Rehs at uni-duesseldorf.de>
>      >     Sent by: gpfsug-discuss-bounces at spectrumscale.org
>      >     To: gpfsug main discussion list
>     <gpfsug-discuss at spectrumscale.org>
>      >     Cc:
>      >     Subject: [EXTERNAL] [gpfsug-discuss] tsgskkm stuck
>      >     Date: Fri, Aug 28, 2020 5:52 AM
>      >     Hello,
>      >
>      >     we have a gpfs v4 cluster running with 4 nsds and i am trying
>     to add
>      >     some clients:
>      >
>      >     mmaddnode -N hpc-storage-1-ib:client:hpc-storage-1
>      >
>      >     this commands hangs and do not finish
>      >
>      >     When i look into the server, i can see the following
>     processes which
>      >     never finish:
>      >
>      >     root     38138  0.0  0.0 123048 10376 ?        Ss   11:32   0:00
>      >     /usr/lpp/mmfs/bin/mmksh /usr/lpp/mmfs/bin/mmremote
>     checkNewClusterNode3
>      >     lc/setupClient
>      >    
>     %%9999%%:00_VERSION_LINE::1709:3:1::lc:gpfs3.hilbert.hpc.uni-duesseldorf.de::0:/bin/ssh:/bin/scp:5362040003754711198:lc2:1597757602::HPCStorage.hilbert.hpc.uni-duesseldorf.de:2:1:1:2:A:::central:0.0:
>      >     %%home%%:20_MEMBER_NODE::5:20:hpc-storage-1
>      >     root     38169  0.0  0.0 123564 10892 ?        S    11:32   0:00
>      >     /usr/lpp/mmfs/bin/mmksh /usr/lpp/mmfs/bin/mmremote ccrctl
>     setupClient 2
>      >     21479
>      >    
>     1=gpfs3-ib.hilbert.hpc.uni-duesseldorf.de:1191,2=gpfs4-ib.hilbert.hpc.uni-duesseldorf.de:1191,4=gpfs6-ib.hilbert.hpc.uni-duesseldorf.de:1191,3=gpfs5-ib.hilbert.hpc.uni-duesseldorf.de:1191
>      >     0 1191
>      >     root     38212  100  0.0  35544  5752 ?        R    11:32   9:40
>      >     /usr/lpp/mmfs/bin/tsgskkm store --cert
>      >     /var/mmfs/ssl/stage/tmpKeyData.mmremote.38169.cert --priv
>      >     /var/mmfs/ssl/stage/tmpKeyData.mmremote.38169.priv --out
>      >     /var/mmfs/ssl/stage/tmpKeyData.mmremote.38169.keystore --fips off
>      >
>      >     The node is an AMD epyc.
>      >
>      >     Any idea what could cause the issue?
>      >
>      >     ssh is possible in both directions and firewall is disabled.
>      >
>      >
>      >     Kind regards
>      >
>      >       Philipp Rehs
>      >
>      >
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>      >
>      >
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> 
>     --
>     Giovanni Bracco
>     phone  +39 351 8804788
>     E-mail  giovanni.bracco at enea.it
>     WWW http://www.afs.enea.it/bracco
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> 
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-- 
Giovanni Bracco
phone  +39 351 8804788
E-mail  giovanni.bracco at enea.it
WWW http://www.afs.enea.it/bracco