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Tape • Re: Retention period on VTL (Quikstation 4) not working as expected

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Hello all,

I have now created a media pool that contains all 4 tapes.
Full backup runs on Saturday at 07:00 AM
Incremental backup runs Tue-Sat 5:30 AM
New media set is created on Sunday at 06:00 PM
Retention time is 7 days
But how does it work?
After the first full backup, the tape is protected for 7 days. Next Sunday, when a new media set is created, only 1 day has passed.
I could also create the new media set on Saturday at 02:00 PM to solve this problem.
After the first full backup has been created, the tape is protected for 7 days.
But the incremental backup is written on Tue-Sat. Tuesday would then be written to tape 2, as tape 1 is protected.
Wednesday would be written to tape 3, and Thursday to tape 4.
I don't have enough tapes for this method.

Could this be a possible solution?
I create 4 media pools. And several jobs.
Monthly job - 1st Saturday on pool 1
Monthly job - 2nd Saturday on pool 2
monthly job - 3rd Saturday on pool 3
Incremental job Tue-Sat on pool 4, but these are overwritten with each job.
Before the tape job runs, all VMs and files are written to the NAS, and in the early morning the files are backed up from the NAS to tape.
A retention policy of 14 days is active in the backup job “Backup VMs”.
How can I ensure that the incremental files are not overwritten each time the tape job is run, but that the tape capacity is utilized?
Many thanks for any suggestions.

with kind regards
Ralf

Statistics: Posted by feiaweng — Oct 15, 2024 11:39 am



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