[gpfsug-discuss] Requirement to keep gpfs.smb the same on all nodes

Sobey, Richard A r.sobey at imperial.ac.uk
Tue Jul 4 12:12:10 BST 2017


OK Simon, thanks. I suppose we're all in the same boat having to get change management approval etc!

From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Simon Thompson (IT Research Support)
Sent: 04 July 2017 12:09
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Subject: Re: [gpfsug-discuss] Requirement to keep gpfs.smb the same on all nodes

AFAIK. Always.

We have had the service eat itself BTW by having different code releases and trying this.

Yes its a PITA that we have to get a change approval for it (so we don't do it as often as we should)...

The upgrade process upgrades the SMB registry, we have also seen the CTDB lock stuff break when they are not running the same code release, so now we just don't do this.

Simon

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-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>" <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Date: Tuesday, 4 July 2017 at 11:54
To: "gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>" <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Subject: [gpfsug-discuss] Requirement to keep gpfs.smb the same on all nodes

Hi all,

For how long has this requirement been in force, and why?

https://www.ibm.com/support/knowledgecenter/en/STXKQY_4.2.3/com.ibm.spectrum.scale.v4r23.doc/bl1ins_updatingsmb.htm

All protocol nodes running the SMB service must have the same version of gpfs.smb installed at any time. This requires a brief outage of the SMB service to upgrade gpfs.smb to the newer version across all protocol nodes. The procedure outlined here is intended to reduce the outage to a minimum.

Previously I've upgraded nodes one at a time over the course of a few days.

Is the impact just that we won't be supported, or will a hole open up beneath my feet and swallow me whole?

I really don't fancy the headache of getting approvals to get an outage of even 5 minutes at 6am....

Cheers
Richard

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