Don U. Ignacio
dignacio at sanstarinc.com
Thu Oct 18 10:08:45 CDT 2001
This is the command that I executed:
bpduplicate -dstunit <storage_unit> -dp <pool_name> -Bidfile
I prefer not to use multiplexing in the duplication. How long does the
usually take, I assume it should complete at a similar speed as either a
or a restore?
From: Ryan Anderson [mailto:Ryan.Anderson at udlp.com]
Sent: Thursday, October 18, 2001 10:38 AM
To: veritas-bu at mailman.eng.auburn.edu; dignacio at sanstarinc.com
Subject: Re: [Veritas-bu] bpduplicate
You didn't specify what options you are using with bpduplicate. Speed can be
increased significantly using the '-mpx' option. The only (slight) drawback
is that your duplicate remains in the multiplexed tape format, which isn't
really a bad problem at all. Just always keep current copies of your NBU
>>> "Don U. Ignacio" <dignacio at sanstarinc.com> 10/18/01 08:54AM >>>
I've been trying to duplicate backups using bpduplicate.
And everytime it takes over an hour for it to duplicate
10-20 MB of data. I am using NBU 3.4.1 on W2K and a Spectralogic
12K with 2 drives. The library is directly connected to
the server via SCSI.
Any suggestions on how to speed up the performance of
bpduplicate will be greatly appreciated.
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