Backup Exec Mail Backup

Posted on 2008-11-17
Last Modified: 2013-12-01
Hi all,
Having a problem backing up my MS Exchange 2003 database to a B2D share.  The share is on a network device -  \\share\exchange-backups

My job fails with the following errors, even though the job shows it backed up the FULL 92GB.

Click an error below to locate it in the job log
Backup- \\ServerMail\Microsoft Information Store\First Storage Group Database  was not found, or could not be accessed.
Database  was not found, or could not be accessed.
Database  was not found, or could not be accessed.
Backup- \\ServerMail\Microsoft Information Store\Second Storage Group Database  was not found, or could not be accessed.
Database  was not found, or could not be accessed.

And then under Exceptions:

Click an exception below to locate it in the job log
Backup- \ServerMail\E: Exchange DatabasesUnable to open the item \\ServerMail\E:\Program Files\Exchsrvr\MDBDATA\108.STF - skipped.
Unable to open the item \\ServerMail\E:\Program Files\Exchsrvr\MDBDATA\109.STF - skipped.
Unable to open the item \\ServerMail\E:\Program Files\Exchsrvr\MDBDATA\d1.STF - skipped.
Unable to open the item \ServerMail\E:\Program Files\Exchsrvr\MDBDATA\d7.STF - skipped.


I had this problem last week so I restarted my server over the wkend to get rid of previous STF files, but happened again with new STF files.

Anyone have any ideas on this??
Question by:jsctechy
    LVL 28

    Expert Comment

    You may get this when you do a GRT IS enabled backup to certain NAS devices. See for example
    Is your network share located on a NAS box? If so, what type? If so, you need to make sure that NTFS is supported on that NAS device.

    Also check

    You may want to turn off the GRT option. That should make the backup work as well.
    LVL 1

    Author Comment

    I will let you know how it looks tomorrow after my backup is finished.
    LVL 1

    Author Comment

    My backup finished with the same error.

    It is strange that this only started to happen when we setup the network storage device that my backups are now sent to.

    When using tape, this did not happen.
    LVL 28

    Accepted Solution

    Yes, that is not uncommon. As I implied, this error happens during the GRT or "Updating Catalogs" stage of the job. This GRT procedure is different when you back up to disk than when you back up to tape.

    I've seen certain NAS boxes cause this. Generally they may be formatted with a specific block size that causes this, or they may not really have NTFS as the underlying file system.

    If you turn off GRT, the problem will go away. To make sure the NAS box causes the problem, you could run a test backup with GRT enabled to a local NTFS drive. Chances are that this works as well.
    LVL 1

    Author Comment


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