Hi Jonathan,

On 27/11/2008, at 08:56 , JGillTech wrote:

Preston,

Thanks for the clarification. To make sure I understand, let me apply to a hypothetical situation:

I have a 2 week retention period. Full backups are conducted on Sunday, with incremental throughout the week. If I ran a full backup on week 1, the expiration would be two weeks from that date. However, because of the dependency chain the actual expiration will be 3 weeks (the date of the last incremental in the chain).

Assuming all backups completed successfully this is accurate.

A formula to model this situation is:

Expiration = save set retention of last dependent backup

Or to be more precise:

Cheers,

Preston.

--
Preston de Guise


"Enterprise Systems Backup and Recovery: A Corporate Insurance Policy":

http://www.amazon.com/Enterprise-Systems-Backup-Recovery-Corporate/dp/1420076396

http://www.enterprisesystemsbackup.com

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