[gpfsug-discuss] Upgrading kernel on RHEL

[Buterbaugh, Kevin L]

Hi Richard,

I would echo the previous comment about having a test cluster where you at least do some basic functionality testing.

Also, as I’m sure you’re well aware, a kernel upgrade - whether or not you’re upgrading GPFS versions - is an especially good idea on RHEL systems right now thanks to “Dirty Cow”.

We do not generally install every GPFS PTF as it comes out … mainly we install PTF’s that fix problems we are encountering … but when we are upgrading GPFS we also generally take the opportunity to do a full yum update as well.

HTHAL…

Kevin

On Nov 29, 2016, at 8:25 AM, Sobey, Richard A <r.sobey at imperial.ac.uk<mailto:r.sobey at imperial.ac.uk>> wrote:

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> [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<mailto: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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