ADSM-L

Re: How to recover "orphaned" tapes.

2005-09-29 09:56:51
Subject: Re: How to recover "orphaned" tapes.
From: "Gilbert, Guillaume" <guillaume.gilbert AT SUN DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 29 Sep 2005 07:41:20 -0600
Just went through this. Do an audit library on your library client. I
know it seems weird but it works. 


Guillaume Gilbert
Storage Architect
Data Management Group
StorageTek Canada Inc. 
A wholly owned subsidiary of Sun Microsystems
guillaume.gilbert AT sun DOT com
514.866.8876 Office
514.290.6526 Mobile

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Mcnutt, Larry E.
Sent: September 28, 2005 17:09
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] How to recover "orphaned" tapes.

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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