Re: [BackupPC-users] Backup schedule

[Joseph H. <jos...@ke...>]

Thanks everyone, I will try this out and let you know how I get on.

Joe.

Les Mikesell wrote:
> Joseph Holland wrote:
>> Hi, I have been using BackupPC now for the last year or so but now I 
>> want to be able to keep more backups.  I have read the documentation 
>> many times, but don't understand exactly which options I need to change 
>> (and to what).  I want to keep the last 7 daily backups (1 full, 6 
>> incremental), the last 4 weekly full backups, the last 12 monthly full 
>> backups and 1 yearly full backup.
>>
>> Can anyone help me understand which configuration options I need to 
>> change in order to achieve this???
> 
> Full backups are all pretty much the same to backuppc - there's no 
> concept of which are weekly/monthly/yearly.  If you are doing fulls once 
> a week, your 'daily' requirement will be met by keeping 6 incrementals 
> which will automatically force the backing fulls to be kept.  You'll 
> then have to use some variation of exponential expiration to approximate 
> the full ages you want: $Conf{FullKeepCnt} = [4, 0, 12] should keep 4 at 
> your FullPeriod intervals, and 12 at 4x that interval.  If that's close 
> enough to the 1 yearly, it might be OK. If you meant you want one from 
> another year back you can't quite hit it with powers of two, but 
> [4,0,12,0,0,3] might work (3 at 32-week intervals).  You might also want 
> to set FullKeepCntMin to keep some number from ever aging out even if 
> you stop making new backups.
> 

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