If both tape copies of a data file are "destroyed" and there is no
copy anywhere else (disk/tape) then it is gone. You have to actually
do a "delete volume" to destroy DB entires. The DB doesn't "know"
that you can't get data, it just marks tape/disk volumes as
"unavailable"
so you can fix/figure it out.
In situation where offsite tape only is "destroyed", then use DEL VOL
with DISCARDATA=YES. When this is complete, the do a BACKUP
STG for appropriate stgpools and the data will be recopied to offsite
pool from onsite pool.
For onsite tape that is "destroyed, do a RESTORE VOL blah
PREVIEW=YES. When this process completes, examine actlog and
see what offsite tapes are needed to rebuild this tape. Get them,
checkin to library and set access mode to readonly for these tapes.
Then run RESTORE VOL without PREVIEW and it will rebuild as much
of the onsite tape as possible. Then check the offsite tapes back
out,
set access to offsite and send them back. When complete the onsite
tape will be deleted and you can check it out of library if it's not
already
out, and trash it by your normal methods
NOTE: If you do the PREVIEW and request then tapes back,
then by the time you get them back, reclamation etc. can change what
tapes are needed. When you are ready to put offsite tapes in, run the
preview again and see what the updated list is. Most of the time
it will be the same or close. You may need to get another tape or two
back the next day to complete.
I've done both of these scenarios a few times.
David Longo
>>> GEOFFREY.L.GILL AT SAIC DOT COM 09/20/02 11:20AM >>>
Let's say for the sake of this discussion the following is true.
Onsitetape1, 7, 9 and 11 are destroyed and not in the library, they
have
mixed node data on them. Offsitetape6, 9 and 15 have also been
destroyed,
they also have mixed node data on them. These tapes don't mirror each
other
but could have some of the same data on them.
Question(s)
1. If all tapes are marked destroyed is TSM going to try and
recreate
anything automatically or do I have to manually perform an operation?
2. If someone wants to restore a file that happened to be on
those, and
both tapes have been destroyed, what do they see from their baclient
GUI? Do
they see the file backed up for that date?
3. Are all the files that were on those tapes simply expired from
the
inventory so they don't see anything?
Thanks,
Geoff Gill
TSM Administrator
NT Systems Support Engineer
SAIC
E-Mail: <mailto:gillg AT saic DOT com> gillg AT saic DOT com
Phone: (858) 826-4062
Pager: (877) 905-7154
"MMS <health-first.org>" made the following
annotations on 09/20/2002 11:43:45 AM
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