Veritas-bu

[Veritas-bu] Duplications running very slow

2006-11-16 07:55:46
Subject: [Veritas-bu] Duplications running very slow
From: enyamada at gmail.com (Edson Noboru Yamada)
Date: Thu, 16 Nov 2006 10:55:46 -0200
Hi
Duplication is a restore + backup; if your duplication is slow, it?s very
likely that the restore operation is the
culprit (maybe because the MPX).
If possible, try to backup to a disk. Restores (and dups) are so much faster
using this kind of media.

hth

On 11/13/06, Delgado, Jess J CIV <jess.delgado at navy.mil> wrote:
>
>
> Hi everyone,
>
> I've got a problem with our dupe's running very slowly.
>
> We have the following:
> We are running 5.1 mp5 enterprise
>
> Master = pc running windows 2000
> Media server = SGI Origin 2000 running IRIX 6.5
> Tape library = StorageTech L700 with 4 DLT7000 and 4 SuperDlt
>
> I've also recently started to try vaulting images from the library.
> So, I am trying to dupe from tape to tape. The dupes are taking days.
> A 7 gigabit image took almost 48 hours to complete.
>
> I've checked out all the settings I could think of. Our regular backups
> are running a little slow (but I know that is because of the way I am
> attaching to our Netapp box) but not this slow.
>
> Any ideas on what to check? I've even monitored cpu usage on the SGI box
> using top. When the dupe's are running, cpu is 99% idle.
>
> When backups are running, the cpu is 30-40% idle. So it looks like it's
> just sitting there doing nothing.
>
> Any ideas?
>
>
> Thanks
>
> Jess
>
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