Veritas-bu

[Veritas-bu] backing up netbackup database over NDMP

2000-05-29 00:14:05
Subject: [Veritas-bu] backing up netbackup database over NDMP
From: Charles Bartels ceb AT barsoom.corp.move DOT com
Date: Sun, 28 May 2000 21:14:05 -0700 (PDT)
That certainly explains why it takes so long.  

Until I can finagle anther DLT drive, what do you think of the idea of
copying /usr/openv/netbackup/db etc. over to a directory each night on
the filer and then aiming the backup database to that to be backed up?

Thanks.

-C.


MW> Get an extra tape drive in the library that you can connect Sun
MW> box to it.  It's not good idea at all to backup data remotely to
MW> an NDMP drive.  NDMP allows another NDMP host to write things to
MW> tape drive remotely block by block.  This is how Netbackup lables
MW> tapes (and read those labels) on an NDMP drive, and how Netbackup
MW> appends the TIR information to a tape in an NDMP drive after an
MW> NDMP backup.

CEB> I'm running NetBackup on a solaris box, backing up a NetApp filer via
CEB> NDMP to a tape library.  The regular backups work fine but when it
CEB> comes time to backup the NetBackup database (/usr/openv/netbackup/db,
CEB> /usr/openv/volmgr/database) that lives on the solaris box things go
CEB> sloooow.
CEB> 
CEB> I know that it will be slower than the regular backups but it seems
CEB> excessively slow.  For example it took about 30 minutes to back up 50
CEB> megs last night.  Is this normal?
CEB> 
CEB> I'm not even quite sure how the data makes it to the tape drive.
CEB> Somehow it must be sucked over to the Netapp which pushes it over to
CEB> the tape library via NDMP.
CEB> 
CEB> I've thought about setting up some sort of cron job that copies the
CEB> files from /usr/openv/... on to the filer and backing up that but it
CEB> seemed a bit of a kludge.
CEB> 
CEB> Does anyone have experience with this sort of problem?
CEB> 
CEB> -C.



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