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Curtis Preston's book _Unix Backup & Recovery_ has a chapter on this,
and the scripts used in the chapter are freely available at:
http://www.backupcentral.com/free-backup-software1.html
Attached are some simple scripts for ClearCase backups running on Unix.
Note that the scripts on the website have unsupported flags to the
'cleartool' command that don't work on current versions of the product,
but its fixed on mine. What you propose doing is different than what
I've done, but this should get you started.
Good luck.
RCA
--
Ryan C. Anderson
Unix Administrator
United Defense L.P.
desk 763.572.6684
pager 952.235.9936
mobile 612.419.9362
>>> "John Stoffel" <stoffel AT lucent DOT com> 09/03/03 12:45PM >>>
Hi all,
I've been researching what it will take to backup our ClearCase VOB
servers, all of which are Solaris boxes. The issue I have is that
I've got multiple filesystems on each server, each with one or more
VOBs. We're running NB 4.5FP4 (maybe FP5) on Solaris 9, on a V880.
Still in test mode before we deploy it.
Currently we're using Legato Networker for the backup and it's working
just fine. I've got a script which takes the place of the 'save'
command (think bpbkar, maybe?) to do the pre and post processing
needed to make proper snapshots of the VOBs before doing backups.
>From the looks of it, I need to use the bpstart_notify and
bpend_notify scripts to do my pre and post processing, which shouldn't
be a problem. The only issue I have is that I need to know which
filesystem is going to be backed up on each invocation, and I don't
see anything about this in the various NetBackup guides which tells me
how this works.
Do I need to create a policy for each and every filesystem with VOBs,
on each and every client, and then setup a copy of the
bp[start,end]_notify scripts specifically setup for each defined
policy? Is that the only way I can tell which filesystem I'm backing
up?
For example, I have a server, swvob1, with a bunch of VxFS (or UFS)
filesystems called: /sw_VOBS1, /sw_VOBS2, ... , /sw_VOBSN. My plan
is to:
- lock the vob(s) on a filesystem
- create a VxFS snapshot of the filesystem
- unlock the vob(s)
- mount the snapshot
- backup the snapshot
- unmount the snapshot
- destroy the snapshot volume
But I don't know how to get the filesystem name from the scripts. If
I had that, I'd simply tell the server to backup
/sw_VOBS1_backup
/sw_VOBS2_backup
.
.
.
/sw_VOBSN_backup
and the script would know where to get the snapshot from.
Thanks,
John
John Stoffel - Senior Unix Systems Administrator - Lucent
Technologies
stoffel AT lucent DOT com - http://www.lucent.com - 978-952-7548
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