[gpfsug-discuss] Minor GPFS versions coexistence problems?

Oesterlin, Robert Robert.Oesterlin at nuance.com
Mon Aug 15 14:05:01 BST 2016


PTF = Program Temporary Fix. IBM-Speak for a fix for a particular problem.


Bob Oesterlin
Sr Storage Engineer, Nuance HPC Grid


From: <gpfsug-discuss-bounces at spectrumscale.org> on behalf of "Sobey, Richard A" <r.sobey at imperial.ac.uk>
Reply-To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date: Monday, August 15, 2016 at 7:58 AM
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Subject: [EXTERNAL] Re: [gpfsug-discuss] Minor GPFS versions coexistence problems?

Thanks Kevin and Bob. PTF = minor version? I can’t think what it might stand for. Something Time Fix? Point in time fix?

From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Buterbaugh, Kevin L
Sent: 15 August 2016 13:45
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Subject: Re: [gpfsug-discuss] Minor GPFS versions coexistence problems?

Richard,

I will second what Bob said with one caveat … on one occasion we had an issue with our multi-cluster setup because the PTF’s were incompatible.  However, that was clearly documented in the release notes, which we obviously hadn’t read carefully enough.

While we generally do rolling upgrades over a two to three week period, we have run for months with clients at differing PTF levels.  HTHAL…

Kevin

On Aug 15, 2016, at 6:22 AM, Oesterlin, Robert <Robert.Oesterlin at nuance.com<mailto:Robert.Oesterlin at nuance.com>> wrote:

In general, yes, it's common practice to do the 'rolling upgrades'. If I had to do my whole cluster at once, with an outage, I'd probably never upgrade. :)


Bob Oesterlin
Sr Storage Engineer, Nuance HPC Grid


From: <gpfsug-discuss-bounces at spectrumscale.org<mailto:gpfsug-discuss-bounces at spectrumscale.org>> on behalf of "Sobey, Richard A" <r.sobey at imperial.ac.uk<mailto:r.sobey at imperial.ac.uk>>
Reply-To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Date: Monday, August 15, 2016 at 4:59 AM
To: "'gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>'" <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Subject: [EXTERNAL] [gpfsug-discuss] Minor GPFS versions coexistence problems?

Hi all,

If I wanted to upgrade my NSD nodes one at a time from 3.5.0.22 to 3.5.0.27 (or whatever the latest in that branch is) am I ok to stagger it over a few days, perhaps up to 2 weeks or will I run into problems if they’re on different versions?

Cheers

Richard
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Kevin Buterbaugh - Senior System Administrator
Vanderbilt University - Advanced Computing Center for Research and Education
Kevin.Buterbaugh at vanderbilt.edu<mailto:Kevin.Buterbaugh at vanderbilt.edu> - (615)875-9633



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