ADSM-L

Re: reconstruction of aggregates

1998-10-22 10:41:23
Subject: Re: reconstruction of aggregates
From: Doug Thorneycroft <dthorneycroft AT LACSD DOT ORG>
Date: Thu, 22 Oct 1998 07:41:23 -0700
Charles Drawdy wrote:
>
> Good Morning - Does anyone have any idea what the following
> message is realy saying and what I can do about it. I checked
> the manuals, but they are not clear for new people like myself.
> Thanks for any tips.
>
> 10/22/1998 08:47:27  ANR9999D afmigr.c(2544): Reconstruction of
> aggregates is
>                       disabled. Run audit reclaim utilities to
> re-enable
>                       reconstruction of
> aggregates.


To answer your question, here is an earlier post from April
>
> ** ADSM DATA Movement/Reclamation Update **
>
> In late January 1998, IBM ADSM development alerted customers to a data
> movement/reclamation problem in the ADSM version 3 server.  Updated servers
> were made available to prevent the problem by disabling reconstruction of
> aggregated files during reclamation processing.  In addition, the development
> team committed to provide a set of utilities that could be used to analyze and
> deal with files that were affected by the problem. The utilities are in test
> and are being finalized, but they are not quite ready for distribution.
>
> Since that time, customers have asked that ADSM development provide a 
> mechanism
> to disable file aggregation so that tapes could be fully reclaimed while these
> utilities are being developed and tested.  Other problems in the version 3
> server have also been corrected, including a rare situation that may affect
> non-aggregated files and/or platforms that were originally believed to be
> unaffected by the data movement/reclamation problem.  These fixes are ready 
> for
> distribution.
>
> An ADSM PTF will be made immediately available for all version 3 servers.  
> This
> PTF contains corrections for all known data movement/reclamation problems,
> other corrective fixes that have been awaiting delivery to customers, and an
> option that will allow customers to temporarily disable file aggregation so
> that tapes can be better reclaimed.  IBM ADSM development strongly recommends
> that all version 3 customers apply this corrective service immediately.  This
> action will minimize the amount of work that may be required to analyze and
> recover from the data movement/reclamation problem when the utilities are made
> available.
>
> We are continuing to refine and test the promised utilities and apologize for
> the delay in delivering them to you.  The next PTF for all servers will 
> contain
> the utilities and is expected early in the second quarter.
>
> ADSM  Server Development
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