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


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