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Re: [Veritas-bu] Clear Case Backups
2009-05-14 08:40:16
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what version of CC
??
Yes, the backups were EXTREMELY slow for us, presumably due to the
large number of small files. I believe we ended up using some Clearcase utility
to dump the whole database out to a flat file, and then we use NBU to back
that up.
This was on Redhat Linux. Previously, Clearcase was running on
HPUX and the performance problem was not so bad.
I'm not sure of the
details, but could probably find out more.
On Thu, May 14, 2009 at 5:37 PM, Tristan Ball - IT Group
<Tristan.Ball AT leica-microsystems DOT com>
wrote:
It’s been many years
since I looked at it closely, but when we did it, locking the VOB, then
backing up normally, then unlocking, was sufficient for consistent backups.
The vob is completely
read only while it’s locked. This is covered in the Clearcase administration
manuals.
Clearcase “View”
storage was an entirely different matter – basically restoring a view was an
unsupported operation – although you could usually pull out individual files
and manually copy them into a new view if you had to. As I understand it,
backing up and restoring views was supposedly not required, as everything
should be in the VOB. But that assumed you’re developers weren’t using “view
private” files extensively. J
The biggest issue we
ever had was performance – the VOB is many small files, and a normal
filesystem backup struggles with that.
I’d also recommend
doing full backups every time on VOB’s, rather than incrementals, as a mistake
merging incremental backups (ie, restoring deleted files), can result in a bad
VOB.
Regards,
Tristan.
What is the best
way to backup Clear Case Infrastructure?
We have 2 servers
running Aix 5.1 with Oracle 10g on the db server.
We want to use
Netbackup 6.5 but can’t find an agent for the clearcase db (proprietary db).
Just looking for
some insight from others.
thanks
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