On October 17, 2017 9:23:55 PM UTC, Michael Stowe
<[email protected]> wrote:
>On 2017-10-17 14:01, Raoul Bhatia wrote:
>> Hi!
>>
>> I use puppet for dynamic configuration management where clients
>> basically register with the BackupPC server for backup.
>> I now face the problem, that due to a config error/update/etc. a
>> client might be dropping out for a few days. This leads to
>BackupPC's
>> host file to be updated and BackupPC_nightly will clean the now
>unused
>> files.
>>
>> They only related option I found right now is changin
>> $Conf{BackupPCNightlyPeriod}:
>>
>>> How many days (runs) it takes BackupPC_nightly to traverse the
>entire
>>> pool.
>>> Normally this is 1, which means every night it runs, it does
>traverse
>>> the entire pool removing unused pool files.
>>>
>>> Other valid values are 2, 4, 8, 16. This causes BackupPC_nightly to
>>> traverse 1/2, 1/4, 1/8 or 1/16th of the pool each night, meaning it
>>> takes 2, 4, 8 or 16 days to completely traverse the pool.
>>> The advantage is that each night the running time of
>BackupPC_nightly
>>> is reduced roughly in proportion, since the total job is split over
>>> multiple days.
>>> The disadvantage is that unused pool files take longer to get
>deleted,
>>> which will slightly increase disk usage.
>>
>> Is there any other option to delay the cleanup that is caused due to
>> such misconfiguration?
>>
>> Thanks,
>> Raoul
>
>Well, sure, you can always set the host to inactive, which as I recall,
>
>will not only stop it from being backed up automatically but suspend
>cleanup indefinitely.
>
>You can also change the retention policies on a per-host basis, which
>seems like it would be the sane thing to do, but I can't say I
>completely understand your use case.
Rephrasing myself: I'd like a configurable grace period before the nightly
cleanup removes orphans from the pool.
My current use case stems from a weird configuration management module I am
using, but I can also imagine some benefit for other use cases as well.
Raoul
--
DI (FH) Raoul Bhatia M.Sc.
E-Mail. [email protected]
Tel. +43 699 10132530
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