ADSM-L

Re: ADSM DATA Movement/Reclamation Update

1998-04-06 11:05:17
Subject: Re: ADSM DATA Movement/Reclamation Update
From: "Lambelet,Rene,VEVEY,FC-SIL/INF." <Rene.Lambelet AT NESTLE DOT COM>
Date: Mon, 6 Apr 1998 17:05:17 +0200
Hi David,

please give me the site and path where I can download or get this PTF:
we have ADSM 3.1 under MVS, not AIX!

Thanks, 

René Lambelet - (3543 - *A581 
Nestec SA - 55, Av. Nestlé - CH-1800 Vevey
Tél: ++41/21/924'35'43 / Fax: ++41/21/924'45'89
E-Mail: rene.lambelet AT nestle DOT com



>-----Original Message-----
>From:  David Cannon [SMTP:cannon AT US.IBM DOT COM]
>Sent:  Monday, April 06, 1998 4:38 PM
>To:    ADSM-L AT VM.MARIST DOT EDU
>Subject:       Re: ADSM DATA Movement/Reclamation Update
>
>>On the one hand, you say that the release that 'will be made immediately
>>available' (I presume that one that was placed on the ftp site 3 days
>>ago) ' contains corrections for all known data movement/reclamation
>>problems', but then go on to say ', and an option that will allow
>>customers to temporarily disable file aggregation so that tapes can be
>>better reclaimed'. Doesn't this suggest that there is still a problem?
>
>The latest PTF corrects data movement/reclamation problems so that files
>stored on the server are not further affected by these problems.  However,
>this PTF does not contain the utilities that will allow you to identify and
>manage any files that may have previously been affected.
>
>>We didn't start running the V3 server until the first fix, that disabled
>>reclamation of aggregates, was made available. Should be install this
>>latest kit (3.1.1.1)? Should we enable the NOAGGREGATES option? Will
>>aggregates then be properly reclaimed (I hope so, we are chewing through
>>tapes like crazy, mostly due to this problem).
>
>We strongly recommend that all Version 3 customers apply the latest PTF
>as soon as possible because this PTF contains important fixes.  We are
>providing this PTF so that customers can have these fixes immediately, rather
>than waiting for the reclamation utilities to be available.
>
>The NOAGGREGATES option is intended for customers who have a serious shortage
>of tapes.  If you use this option, any new files backed up or archived to
>your
>server will not be aggregated.  When the volumes on which these files are
>reclaimed, you will not be left with empty space within aggregates.  The
>downside is that these files will never become aggregated, so you will miss
>the
>performance benefits of aggregation for these files. If you do not use the
>NOAGGREGATES option, files will continue to be aggregated and empty space may
>accumulate within these aggregates; this empty space will be eliminated
>during
>reclamation after you have run the data movement/reclamation utilities.
>
>>You also make a comment that ' The next PTF for all servers will contain
>>the utilities and is expected early in the second quarter'. Isn't now
>>'early in the second quarter'? Or is there another PTF being made
>>available soon (3.1.1.2??)?
>
>We expect to make another PTF available as soon as possible.  This PTF will
>contain the utilities for managment of any files that may have already been
>affected by the data movement/reclamation problem.  Once you have run these
>utilities, reclamation will be able to remove empty space from within
>aggregates and the NOAGGREGATES option will be eliminated.
>
>Dave Cannon
>ADSM Development
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