Re: [BackupPC-users] Defining data retention periods
2009-04-29 09:08:23
Boniforti Flavio wrote:
> I'm coming back on following part:
>
>>> OK, now the main question of my post: data retention.
>>> I want to have one full month of daily retrievable backups:
>> would this
>>> be achieved by setting ³FullKeepCnt² to 4 and ³IncrKeepCnt² to 24?
>> If your months have 28 days, yes. In my personal experience,
>> that is true only for 73.8% of the Februaries. YMMV.
>
> In my actual setup when the oldest FULL gets deleted (because it is now older
> than 4 weeks), do I loose also all the subsequent INCREMENTALS that were
> done? I mean, isn't an INCR backup related to its FULL one? Thus, if the
> oldest full gets outdated, the subsequent INCR ones wouldn't allow me to
> recover data (because of the missing FULL)...
>
> So, wouldn't it make more sense to retain 5 FULL backups?
>
> Any comments will be appreciated.
I'm not sure, but I think fulls are retained as long as needed to back
any incremental, so setting IncrKeepCnt to 26 should give you at least
30 days. You can use IncrKeepCntMin and FullKeepCntMin to override the
other settings in any case.
--
Les Mikesell
lesmikesell AT gmail DOT com
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