Veritas-bu

[Veritas-bu] Media Tape Writes and Retentions

2009-02-18 12:10:32
Subject: [Veritas-bu] Media Tape Writes and Retentions
From: "Jackson, Todd" <c-todd.jackson AT invitrogen DOT com>
To: <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Wed, 18 Feb 2009 11:17:49 -0500

Hello All,

 

I have a question concerning LTO tape writes that I need some clarity about.

 

Scenario:

 

If you have a Retention of 5 weeks for a policy and you write a job the first day which gives the

Images 5 weeks until expiration. When you write to that tape again on week 2, week 3  …   etc.

 

My question are

 

1) Will each week of writes have a separate 5 week retention?

 

2) Can the tape be written to again (over week 1 space on tape) by week 6 or will something else happen?

 

3) When the time is unassigned I am assuming that is all backup images expiring. Will the tape be written to as

long as it is in a Library or drive and not write protected ..  every time a segment of images expire on the tape?

 

4) When that happens how does the time assigned change? Will it keep the initial time assigned or change to the

Latest time assigned image?

 

 

LTO MEDIA TAPE USAGE

 

|   Week 1, Write job    |   Week 2, Write job   |   Week 3, write job       |   Week 4, write job    |    Week 5, write job

   

 

 

Any other information is appreciated concerning how this works.

 

Thanks

-T

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