I'm getting wound up in knots trying to figure this out,
sanity check required - hope someone can help.
A backup copygroup specifies retention by time period to e.g.
32 days (RETEXTRA=32). To ensure the ability to perform a point in time restore
at any point in the previous 32 days the number of inactive versions to retain
must be set to NOLIMIT just in case multiple backups per day happen
(VEREXISTS=NOLIMIT).
The copygroup then specifies that the last version of a
file must be kept for a year if the file is deleted (RETONLY=366).
The retain inactive versions is also set to NOLIMIT so that if
a file is deleted by accident and not reported until the next day it can be
restored and no loss of backup versions happens
(VERDELETED=NOLIMIT).
OK, the question is when do the inactive versions of a file
get expired in this case? Is it after the 32 days or after the
year?
My understanding of the VERDELETED parameter is that it is
used when a backup discovers a file has been deleted and then it immediately
marks any versions greater than this number of expiration. Then the RETEXTRA and
RETONLY parameters define what happens in future expiration runs. My expectation
from this setup is that
1/ when a file is noted as deleted by the backup nothing will
get marked for expiration
2/ over the next 32 days we should lose all versions in excess
of 32 days old
3/ the last version will be kept for 366 days from time
of being marked inactive.
Is this right?
Thanks
Alan
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