[Veritas-bu] Dynamic policies
2004-01-22 14:11:33
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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