ADSM-L

Re: [ADSM-L] GPFS, HSM and backups

2009-09-24 11:29:26
Subject: Re: [ADSM-L] GPFS, HSM and backups
From: "Gretchen L. Thiele" <gretchen AT PRINCETON DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 24 Sep 2009 11:28:26 -0400
Thanks, Joerg, for reminding me that the accounting records
contain this info! I was hoping that there was, in addition,
something that I could spot check (using 'q act', for example)
a bit more easily (accounting is currently turned off - too
much data). 

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Joerg Pohlmann
Sent: Thursday, September 24, 2009 11:17 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] GPFS, HSM and backups

Gretchen, I don't know about the first part, but as to information about
recall activity, use the accounting records (set accounting on) - fields
26-29 relate to migration and recall activity.

Joerg Pohlmann
250-245-9863

----- Original Message -----
From: "Gretchen L. Thiele" <gretchen AT PRINCETON DOT EDU>
Date: Thursday, September 24, 2009 7:56 am
Subject: [ADSM-L] GPFS, HSM and backups
To: ADSM-L AT VM.MARIST DOT EDU

> We've been using GPFS-directed HSM for a while now, working quite well

> (with a few bugs, but they're being worked on).
>
> The 'problem' I'm seeing is the mounting of HSM media (tapes, in 
> particular) during the running of an incremental backup. Since we have

> the requirement that nothing can be migrated without a backup in 
> place, this just doesn't make sense to me.
>
> It's also frustrating that I don't see any type of info on the server 
> after a recall as to the size of the file being recalled, etc. - much 
> like you would see after a backup, restore, archive or retrieve 
> (separate from the issue above).
>
> Server and client (BA and HSM) all at 5.5.1.1 (upgrade to 5.5.3.x when

> I can get downtime in a month or so) on SLES 10.
>
> Any ideas?
>
> Gretchen Thiele
> Princeton University
>

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