[gpfsug-discuss] Upgrading kernel on RHEL

Simon Thompson (Research Computing - IT Services) S.J.Thompson at bham.ac.uk
Tue Nov 29 18:27:49 GMT 2016


We typically have rolling updates to oses, with the exception of a couple of packages, like the kernel. Partly because we have to keep Scale in line and partly because we use Mellanox OFED and have had issues getting openibd working properly with updates, so we tend to push a kernel, ofed, gpfs update as an os reinstall. We test that on a subset of systems before rolling up. Where we push protocol updates, we have to time a service outage to ensure we can upgrade all smb packages at the same time.

We do minor gpfs point releases in planned at risk windows.
Simon
________________________________________
From: gpfsug-discuss-bounces at spectrumscale.org [gpfsug-discuss-bounces at spectrumscale.org] on behalf of Sobey, Richard A [r.sobey at imperial.ac.uk]
Sent: 29 November 2016 14:25
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] Upgrading kernel on RHEL

Thank you both. The FAQ simply suggests “keep your OS up to date” and the referenced minimum kernel version is the one we’re already running so I’ll stick with that for now.

Richard

From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Jan-Frode Myklebust
Sent: 29 November 2016 10:23
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Subject: Re: [gpfsug-discuss] Upgrading kernel on RHEL

I think GPFS upgrades are a fine opportunity to check the FAQ and update to latest tested/supported OS versions. But please remember to check all components in the "Functional Support Matrices", and latest kernel tested.

  -jf

On Tue, Nov 29, 2016 at 10:59 AM, Sobey, Richard A <r.sobey at imperial.ac.uk<mailto:r.sobey at imperial.ac.uk>> wrote:
All,

As a general rule, when updating GPFS to a newer release, would you perform a full OS update at the same time, and/or update the kernel too?

Just trying to gauge what other people do in this respect. Personally I’ve always upgraded everything at once – including kernel. Am I looking for trouble?

Cheers
Richard

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