>John Drescher escribió:
>>>Here my configuration of pools and shecules
>>>Pool {
>>>Name = pool_incr
>>>Pool Type = Backup
>>>Recycle = yes
>>>AutoPrune = yes
>>>Volume Retention = 25 days
>>>Label Format = "Incr-"
>>>Volume Use Duration = 23 hours
>>>Maximum Volume Bytes = 4G
>>>}
>>>
>>>Pool {
>>>Name = pool_full
>>>Pool Type = Backup
>>>Recycle = yes
>>>AutoPrune = yes
>>>Volume Retention = 2 months
>>>Label Format = "Full-"
>>>Use Volume Once = yes
>>>Maximum Volume Bytes = 5G
>>>}
>>>
>>>Schedule {
>>>Name = "20:00-00:00-1"
>>>Run = Level = Incremental mon-sat at 20:00
>>>Run = Level = Full 1st sun at 00:00
>>>}
>>>
>>>My objetive is to have memory of a server only (and always) for 21
>>>days,
>>>and full snapshots for 2 months. (1st January, 1st February for
>>>example,
>>>and February2-22 incrementals)
>>>
>>>What happend 23rd of February?
>>>
>>>
>>If there are no appendable tapes in the pool_incr then bacula will
>>find a tape in that pool and recycle it.
>>
>>The following link describes the procedure bacula will use to
>>determine what volume it will pick:

>>>>http://bacula.org/en/rel-manual/Automatic_Volume_Recycling.html#SECTION002530000000000000000
>>
>>So if the volume that was purged was the same volume that had been
>>used for the previous 21 days bacula should upgrade that incremental
>>to a full on the 23rd. With that said I have seen a recent thread
>>where under some circumstances bacula does not do that and that it
>>will continue with an incremental but since it removed the previous
>>incrementals you can not restore.
>>
>>
>>>Is differential backup my solution?
>>>
>>>
>>I believe this can work.
>>
>>
>>>Do you understand my explication? (sorry for my english)
>>>
>>>
>>I am a little confused at your reason for only holding 21 days of
>>incrementals max. I assume you have a limited storage.
>>
>>John
>>
>How is the configuration with differential backups? one differential at
>the middle of the week?
>
>explain me all that you can
>
>thanks

Put something like that into your scheduler configuration. this will run
an incremental backup every 2nd to 5th Sunday of the month at 11am.

Run = Level=Differential 2nd-5th sun at 11:00

Hope this helps.


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