This could be a problem if you're dealing with large numbers of files. It'd
be better if the client didn't have to sort through the same files every
single day to see if any have changed when none ever will. But it's
certainly more maintainable than any of the alternatives I've seen mentioned
here.

-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf Of Deiter
Scott
Sent: Thursday, January 22, 2004 3:47 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Dynamic policies



Just had to know because we do something similar.
run one level zero and then daily incrementals after that.
the incrementals will only pick up the changed data.

We are using this for a file system full of archive files.

>From    Scott Deiter 
        Hanover Direct, Inc. 
        Tech services 
        (717) 633-3298 
        scottd AT hanoverdirect DOT com 




-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf Of Shafto,
Eric
Sent: Thursday, January 22, 2004 3:20 PM
To: 'David Chapa'; Justin C. Lloyd; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Dynamic policies


I suppose it's just a little cheesy, but you could create a cron job to
generate an exclude_list file that contains all but the most recent
directory, and then just do a full on /data.

ls -t /data | tail +1 > /usr/openv/netbackup/exclude_list



-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf Of David Chapa
Sent: Thursday, January 22, 2004 2:48 PM
To: Justin C. Lloyd; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Dynamic policies


Updating the file list is your best bet.  I've done this several times
from the CLI and it is quite painless, definitely could be incorporated
in to a script without an issue I think.



David A. Chapa * Technical Advisor, Technical Marketing * ADIC *
720.249.5836 * david.chapa AT adic DOT com

Pathlight VX - Integrated Disk-to-Tape Backup - http://www.adic.com


-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Justin C.
Lloyd
Sent: Thursday, January 22, 2004 12:12 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Dynamic policies

We have a data directory where data from multiple sources is
divided up into subdirectories based on the date and the
data's source, something like /data/$YYYYMMDD/$SOURCE.  (Each
day's data will be about 30 GB.)

Every morning we would like to do a full backup of the
previous day's data from all sources.  Once a day's data is
written to disk, it never changes, so a full (plus a Vault
copy) is all we would have in backups for each day, i.e., no
incrementals for the /data filesystem.  So for each day
YYYYMMDD I would need a new policy with the line

/data/${YYYYMMDD - 1}/*

in the policy's file list.

I obviuosly would not want to hand-create hundreds of policies.
This leads me to two possible solutions:

1. Create a unique policy for every day.  A cron job could
run a script to generate, say, a month of policies in advance.
(Perl could handle the $date - 1 easily.)  I would also want
to periodically delete old policies.

2. Have just one policy whose file list is updated daily by
cron.

Number 2 is much more to my liking.  That being said, does
this sound more difficult than it needs to be?

Justin


-- 
Justin C. Lloyd
Unix System Administrator
MCI System Technology Solutions
Office 703.886.3219 Vnet 806.3219 Fax 703.886.0132
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