A retention level of one month is by default 31 days. Please note that this
can be changed. Please see TechNote 267037
(http://support.veritas.com/docs/267037 ) for information on what file is
updated if the retention level has been changed.

To determine the value for the retention level, run the following command:

# bpretlevel -l
0 604800 1 week
1 1209600 2 weeks
2 1814400 3 weeks
3 2678400 1 month
4 5356800 2 months
5 8035200 3 months
6 16070400 6 months
7 24105600 9 months
8 31536000 1 year
9 2147483647 infinite
10 2147483647 infinite
11 2147483647 infinite
12 2147483647 infinite

The second column is in seconds, so for example, a retention level 3 = 1
month or 2678400 seconds = 31 days. 

-----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 Block, 
John -
IST contractor
Sent: Thursday, August 19, 2004 3:56 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Retension Periods and Projections

I am working on an excel spreadsheet to project next years tape consumption
based on a growth rate.  To do this fairly accurately, I need to know if
NetBackup calculates the retention periods for the months as true months or
does it do a multiplier of days?  I.E.  Tapes that go off site 1/1 will they
come back 7/1 or will they come back in 180 (6*30) days, 6/29?  

Has anyone done an excel spreadsheet that they would like to share?

Thanks,
John

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