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Re: [Networker] NDMP Schedling
2009-01-20 05:47:10
A Darren Dunham wrote:
I'm not sure what you're saying about a level 1 acting as an
incremental. A level 1 and an incremental are different. In a normal
environment, consecutive level 1 jobs will require more volume space
than consecutive incrementals.
Not necessarily true. Although you will backup more data with a level 1
than an incremental, you will need to keep more volumes to fulfill the
retention requirements. If you have a monthly cycle of incrementals you
will need to keep up to a month of extra incremental backups, since the
incrementals depend on all the other incrementals all the way back to
the previous full. With a monthly cycle of level 1 backups the level 1
backups will expire at exactly the time when the retention period is
reached, depending only on the full.
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