[gpfsug-discuss] maybe a silly question about "old school" gpfs

Ed Wahl ewahl at osc.edu
Wed Nov 5 13:56:38 GMT 2014

You can designate how many of the nodes do token management as well.  mmlscluster should show which are "manager"s.  Under some circumstances you may want to increase the defaults on heavily used file systems using mmchnode, especially with few NSDs and many writers.

Ed Wahl

From: gpfsug-discuss-bounces at gpfsug.org [gpfsug-discuss-bounces at gpfsug.org] on behalf of Salvatore Di Nardo [sdinardo at ebi.ac.uk]
Sent: Wednesday, November 05, 2014 5:46 AM
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] maybe a silly question about "old school" gpfs

On 05/11/14 10:25, Kalyan Gunda wrote:
> Also note that multiple nodes accessing the same disk will not cause
> corruption as higher level token mgmt in GPFS will take care of data
> consistency.

This is exactly what I wanted to be sure.
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