Re: [Networker] Staging to Advanced File Type devices

Hi Mark

If you have more than one volume mounted, and those volumes are in the pool
that has been selected for the backups, then I believe NetWorker will choose
to send the first backup stream to the volume that was labeled first (that
is, is the oldest).  I don't think NetWorker can choose to backup to the
'emptiest' volume.

tl 

-----Original Message-----
From: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] 
On
Behalf Of Mark Davis
Sent: Tuesday, August 16, 2005 5:06 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] Staging to Advanced File Type devices

Hello All,

We have 10 TB of "Advanced File Type" disk used to stage our data. The 
disk is broken up into 14 700 GB file systems. The problem we are having 
is that NetWorker does not distribute the data evenly across these file 
systems. When selecting a device for backup, NetWorker always seems to 
pick the disk that has the most data. If one disk is at 8% full, and 
another is at 75% full, it will use the one with 75%.

Of course this makes sense when backing up to tape, but causes a variety 
of problems when using disk. For example, it makes it very difficult to 
maintain a uniform retention period for the data on disk.

Has anyone else run into this problem, and is there a way to even out the 
data distribution.

Thanks very much.

Mark
University of Western Ontario
London, Ontario

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