[Veritas-bu] automatic file list creation

2003-12-18 10:43:54
Subject: [Veritas-bu] automatic file list creation
From: larry.kingery AT veritas DOT com (Larry Kingery)
Date: Thu, 18 Dec 2003 10:43:54 -0500 (EST)
> I'm working to maximize throughput from a Win2K system, which backs
> up our two NetApp systems through mapped drives.  When I do this
> using one data stream per filer, it takes 66 hours, and the tape
> shoe-shines quite a bit.  I have built a file list that breaks some
> top level directories into mostly equal "NEW_STREAM" data streams,
> so they all seem to finish within an hour of each other.  This keeps
> the tape drives moving data nicely.  I have written a Perl for Win32
> script that scans the top level of each of my NetApp servers
> (through the mapped drive), and outputs a file format that matches
> the format used in the configuration on the NB master server.  This
> would work well in a static environment, but one of the NetApps
> contains user home directories.  This changes sometimes without my
> knowing it.
> I don't see anything on the Veritas support page regarding the
> creation of a dynamic file include list that can contain the
> declaration of "NEW_STREAM".  I would like the ability to launch the
> backup, and have bpstart_notify dynamically create an agressive file
> list, and begin the backup.

bpstart_notify is launched by bpbkar which runs for each stream.
Hence, the streams have already been created by the time bpstart

> Does anyone do this already?
> NB 4.5, Solaris 9.  All media servers are sun.  LTO-1 drives.
> I immagine it's possible to push the dynamic file list from the
> client to the master server, but that would expose the master
> server, and some very sensitive config files.

Larry Kingery 
       If at first you DO succeed, try not to look astonished!

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