ADSM-L

Re: HSM on AIX not working as expected

2002-09-12 16:27:36
Subject: Re: HSM on AIX not working as expected
From: Michelle DeVault <adsmigmo AT YAHOO DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 12 Sep 2002 13:26:50 -0700
Check out how your management class is defined.
Things to look at:

Space Management Technique
Auto-Migrate on Non-Use
Migration Requires Backup?

Space management technique should be AUTOMATIC.  If it
is SELECTIVE or NONE then automatic migration won't
occur.

Auto-Migrate on non-use:  if it's set to anything
other than 0 then that means the file has to sit on
disk, unaccessed (not necessarily un-modified) for
that number of days before it is eligible to be
migrated.

Migration Requires Backup:  Just what it says.  If
YES, then the file has to be backed up before it is
eligible to be migrated.

I have most often found that "no candidates" message
usually means that I've touched the files recently.

Also - check your stub size (dsmmigfs query).  If the
files you are trying to migrate are smaller than this,
then they can't be migrated.

M.

--- Andrew Carlson <andyc AT ANDYC.CARENET DOT ORG> wrote:
> I am new to HSM with TSM.  I start dsmhsm, selected
> a filesystem to
> manage, filled the filesystem with files, and tried
> to do a migrate.  It
> keeps telling me "ANS9094W dsmautomig: no candidates
> found in
> filesystem".  I set the high threshold to 30, low to
> 10, and the
> premigration threshold to 80.  I updated my policy
> to allow migration,
> and set the storage pool.  Any ideas?  I have looked
> through the book
> and don't see anything I missed.  Thanks.
>
>
> Andy Carlson                                    |\
>    _,,,---,,_
> Senior Technical Specialist               ZZZzz
> /,`.-'`'    -.  ;-;;,_
> BJC Health Care                                |,4-
> ) )-,_. ,\ (  `'-'
> St. Louis, Missouri
> '---''(_/--'  `-'\_)
> Cat Pics: http://andyc.dyndns.org/animal.html


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