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тАО02-12-2004 09:44 AM
тАО02-12-2004 09:44 AM
Solved! Go to Solution.
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тАО02-12-2004 09:56 AM
тАО02-12-2004 09:56 AM
Re: Identifying / Labelling Tape Volume
Can you describe more, what backup software are you using and where are the tapes, are they in a library or a standalone drive.
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тАО02-12-2004 09:56 AM
тАО02-12-2004 09:56 AM
Re: Identifying / Labelling Tape Volume
It depends on the tool you use to backup your data.
For fbackup, look at -V option in it's man page.
-Sri
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тАО02-12-2004 10:01 AM
тАО02-12-2004 10:01 AM
Re: Identifying / Labelling Tape Volume
The backup software I'm using: OmniBack-II & Veritas Netbackup.
The tapes are both: Standalone drive & Tape library.
Backup is done by: fbackup, tar, OmniBack-II or through Netbackup.
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тАО02-12-2004 10:25 AM
тАО02-12-2004 10:25 AM
Re: Identifying / Labelling Tape Volume
and to query the media either do a library scan or drive scan in which media is present using omnimm command.
Have a look at both the commands (omniminit and omnimm) for more detailed information.
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тАО02-12-2004 11:45 AM
тАО02-12-2004 11:45 AM
Re: Identifying / Labelling Tape Volume
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тАО02-12-2004 11:59 AM
тАО02-12-2004 11:59 AM
SolutionIf you do
#omnimm -list_pool
that will show you all the medias with their media label in that pool
and if you do
#omnimm -repository_barcode_scan
this will scan all the media in the library and show with their media label.
or do
#omnimm -repository
this will list all media in the library
Let me know if you want to find something else from what i have given.
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тАО02-16-2004 03:28 AM
тАО02-16-2004 03:28 AM
Re: Identifying / Labelling Tape Volume
the trick is to stack fileset.
Remember a label is just a file at the beginning of a tape. The problem is you may want it in a standard format. That you will lookup becuase I unsure myself.
Hear is a homemade-up example. Let say the label format is 20 char.
The tape label name is "W000001"
And We want to put 2 file systems on the tape
via cpio.
------12345678901234567890
echo "W0000001 " > /dev/rmt/0mn
medium density----------------|^
NO REWIND ---------------------|
cd /opt
find . -print |cpio -o > /dev/rmt/0mn
cd /user
find . -print |cpio -o > /dev/rmt/0mn
rewind the tape
rm -t /dev/rmt/0mn
read the label with via shell. no "N" so tape is rewound after read
LABEL=$(cat /dev/rmt/0m)
Recover /usr (the second filesystem)
move the tape past the header and the first filesystem:
mt -t /dev/rmt/0mn fsf 2
recover usr in a temp directory
cd /usr/tmpi
recover data.
cpio -idmu < /dev/rmt/0mn
Hope this helps. Other subject that should be researched are blocksize, buffering, tape life, other backtools.
Rory