[gpfsug-discuss] filesets and mountpoint naming

[Bryan Banister]

There is a general system administration idiom that states you should avoid mounting file systems at the root directory (e.g. /) to avoid any problems with response to administrative commands in the root directory (e.g. ls, stat, etc) if there is a file system issue that would cause these commands to hang.

Beyond that the directory and file system naming scheme is really dependent on how your organization wants to manage the environment.  Hope that helps,
-Bryan

-----Original Message-----
From: gpfsug-discuss-bounces at gpfsug.org [mailto:gpfsug-discuss-bounces at gpfsug.org] On Behalf Of Stuart Barkley
Sent: Friday, October 03, 2014 12:19 PM
To: gpfsug-discuss at gpfsug.org
Subject: [gpfsug-discuss] filesets and mountpoint naming

Resent: First copy sent Sept 23.  Maybe stuck in a moderation queue?

When we first started using GPFS we created several filesystems and just directly mounted them where seemed appropriate.  We have something like:

    /home
    /scratch
    /projects
    /reference
    /applications

We are finding the overhead of separate filesystems to be troublesome and are looking at using filesets inside fewer filesystems to accomplish our goals (we will probably keep /home separate for now).

We can put symbolic links in place to provide the same user experience, but I'm looking for suggestions as to where to mount the actual gpfs filesystems.

We have multiple compute clusters with multiple gpfs systems, one cluster has a traditional gpfs system and a separate gss system which will obviously need multiple mount points.  We also want to consider possible future cross cluster mounts.

Some thoughts are to just do filesystems as:

    /gpfs01, /gpfs02, etc.
    /mnt/gpfs01, etc
    /mnt/clustera/gpfs01, etc.

What have other people done?  Are you happy with it?  What would you do differently?

Thanks,
Stuart
--
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