[Veritas-bu] Re: Keep source tape mounted during duplication
2002-09-03 01:32:43
Apparently I spoke too soon.
My duplication scripts ran this morning using this Bidfile method, and
still the same tape was mounted/dismounted many times
Dean Allen
ISG - Storage Management
AXA Australia
----- Forwarded by Dean Allen/MEL/NMLA/NMH on 03/09/2002 15:24 -----
Dean Allen
To: shyam <shyamdayals AT yahoo
DOT com>@NMHDMZ@NMHEXT
02/09/2002 cc: veritas-bu AT
mailman.eng.auburn DOT edu
13:58 Subject: Re: [Veritas-bu] Keep
source tape mounted during duplication
(Document link: Dean Allen)
Thanks very much Shyam. That seems to have done the trick.
bpimagelist -sl offsite_archive -hoursago 22 -idonly |awk '{print $8}'
>$BIDFILE
bpduplicate -Bidfile $BIDFILE -dstunit flin-psgl -dp offsite -mpx
Dean Allen
ISG - Storage Management
AXA Australia
shyam
<shyamdayals@y To: DAllen AT axa.com DOT au,
veritas-bu AT mailman.eng.auburn DOT edu
ahoo.com> cc:
Subject: Re: [Veritas-bu] Keep
source tape mounted during duplication
02/09/2002
11:06
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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