ADSM-L

Re: How to recover "orphaned" tapes.

2005-09-29 09:58:13
Subject: Re: How to recover "orphaned" tapes.
From: fred johanson <fred AT UCHICAGO DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 29 Sep 2005 08:58:00 -0500
Is the VOLH entry old enough to delete?


At 05:08 PM 9/28/2005 -0400, you wrote:
Andy,
Thanks for the response.  I tried, but it wouldn't let me checkin the tape
as scratch.  Seems the volhistory says the tape is owned by the library
client (FSPHTSM2).  I have opened a PMR.

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Andy Huebner
Sent: Tuesday, September 27, 2005 6:20 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: How to recover "orphaned" tapes.

My experience with orphaned tapes suggests that they are mostly created when
a tape is not labeled properly.  I simply check them out of the library and
treat them as new tapes and label them.

Also, this is a TSM condition, not a library ailment.

Andy Huebner

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Mcnutt, Larry E.
Sent: Tuesday, September 27, 2005 8:48 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L] How to recover "orphaned" tapes.

Hello,

Environment:
FSPHTSM1 server 5.2.3.0 AIX 5.2 - library manager
FSPHTSM2 server 5.1.7.0 AIX 5.2 - library client
3494 library shared, 1221 cells, 6 3590H1A drives


I recently discovered 200+ volumes that are in "limbo".  From a 'q libvol'
on the library manager,
They  are shown as owned by FSPHTSM2
Library Name: 3494LIB01
   Volume Name: K20005
        Status: Private
         Owner: FSPHTSM2
      Last Use: Data
  Home Element:
   Device Type:
Cleanings Left:
    Media Type:

However on FSPHTSM2 a 'q vol K20005' returns 'ANR2034E QUERY VOLUME: No
match found using this criteria.'

I think I found one situation that caused this problem.  During a backup
schedule on FSPHTSM2, the diskpool filled, and numerous sessions tried to
mount tapes.  These sessions were canceled before writing to the tapes, and
it looks like FSPHTSM2 did not add the tape to the storage pool even though
FSPHTSM1 marked them as such.  I think this type of situation has happened
several times over the past few years leading to the large number of tapes
'orphaned'.

Will running an AUDIT LIBRARY fix this type of problem?  Is there any less
intrusive way to recover the tapes?

Thanks for any help.

Larry McNutt
The Timken Company


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