[Veritas-bu] Keep source tape mounted during duplication
2002-09-01 21:06:17
Subject: |
[Veritas-bu] Keep source tape mounted during duplication |
From: |
shyamdayals AT yahoo DOT com (shyam) |
Date: |
Sun, 1 Sep 2002 18:06:17 -0700 (PDT) |
First create a Bidfile and run y'r buduplicate on the
bidfile.
Shyam
--- DAllen AT axa.com DOT au wrote:
> Hello list,
>
> We perform duplications of a number of images every
> morning. Most of these
> images are on the same tape volume. The problem is
> that the source tape is
> constantly de-mounted and re-mounted during the
> duplication process. It can
> mean the same tape is mounted 100+ times in a row in
> a 2 hour window. I am
> using the following command :
>
> bpduplicate -sl offsite_archive -hoursago 24
> -dstunit flin-psgl -dp offsite
>
> The class has mpx turned on, but usually only one
> backup is generated at a
> time so the files are effectively not mpx'ed.
> Regardless, I have tried the
> command with and without the -mpx parameter and it
> doesn't make much
> difference.
>
> I have .....
> MEDIA_UNMOUNT_DELAY = 300
> in bp.conf on the master and media servers.
>
> Master is HPUX 11. Media server is Solaris 5.7.
> It's a full SAN/SSO
> implementation of NetBackup 3.4.1
>
> Any help reducing these tape mounts would be greatly
> appreciated !
>
> Thanks.
>
> Dean Allen
> ISG - Storage Management
> AXA Australia
>
>
>
>
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