09-24-2014 10:58 PM
Hi gurus,
I have an issue restore Exchange Information Store and transaction logs.
Master/Media and client running 7.5.0.7 on Windows 2008 R2
Exchange is 2010 running on Windows2008 R2
I select the Full Exchange backup for the Information Store - size is 361539480 kb (as reported in NetBackup BAR window)
I select multiple transaction log backups - total size is 3GB
I have a 600GB drive to restore the files to - dedicated to exchange restores and empty.
Restore continues to fail - Restore size reported in Activity Monitor is over 1TB.
Does anybody know why this is occurring?
Thank you.
Solved! Go to Solution.
09-25-2014 01:37 AM
If you restore from multiplxed backups, the size counter is the GUI, is the data read from tape - including those fragment not needed for the restore because they belong to other streams. This is the cost of using multiplxed backups - it increases restore time.
You should able to trust the image size reported by Netbackup.
09-24-2014 11:07 PM
Can u post the job details please ?
09-24-2014 11:30 PM
Want to borrow my 2TB USB drive?
In all seriousness - you will need logs to see what happened during the restore.
On media server - bptm and bpbrm
On Exchange server - tar
Windows Event log may also give you a clue as to what happened.
09-25-2014 01:37 AM
If you restore from multiplxed backups, the size counter is the GUI, is the data read from tape - including those fragment not needed for the restore because they belong to other streams. This is the cost of using multiplxed backups - it increases restore time.
You should able to trust the image size reported by Netbackup.
09-29-2014 11:31 PM
Marianne, thank you. We are in the process of sourcing multiple usb drives to move our backup system onto ;)
Nicolai, what do you know, they are multiplexed which means it's a completely different issue altogether.
I am currently trying a restore of another information store and will see if the same issue occurs. I will post logs and job details when I have them.
09-29-2014 11:33 PM
Also goes to show you can't rely on information from some people. The exchange server is 2007 running on Win2003 R2. Don't know if this makes a difference. Probably not.
We have had successful restores in the past.
09-30-2014 12:16 AM
You can see if a backup image is multiplexed by using the bpimagelist command and look for field 33.
1=multiplxed
0=non multiplxed
http://www.symantec.com/docs/TECH5584
it is not super user friendly because you need to know the bpimage command and some basic text manipulation tools. On UNIX those are direct available, but Windows is a bit more difficult.
TIP: Pass the output from bpimagelist to windows finstr command
bpimagelist -hoursago 24 | findstr IMAGE
10-02-2014 09:48 PM
Thanks everyone, I just looked at the media status which tells me the media was multiplexed. That answers that question. The issue with the actual restore turned out to be a bad media.