I’m fine with both action items.
I back up millions of emails and so far the restores I’ve performed have never
been an issue.
mph
> On Jun 8, 2020, at 3:01 PM, Craig Barratt via BackupPC-users
> <backuppc-users@lists.sourceforge.net> wrote:
>
>
> Jeff & Guillermo,
>
> Agreed - it's better to scan small subsets of the pool. I'll add that to
> BackupPC_refCountUpdate (which does the nightly pool scanning to delete
> unused files and update stats).
>
> Craig
>
>> On Mon, Jun 8, 2020 at 2:35 PM <backu...@kosowsky.org> wrote:
>> Guillermo Rozas wrote at about 16:41:03 -0300 on Monday, June 8, 2020:
>> > > While it's helpful to check the pool, it isn't obvious how to fix any
>> errors.
>> >
>> > Sure. Actually I've put aside to interpret the error and the file
>> > involved until I find an actual error (so I hope to never need that
>> > information! :) )
>> >
>> > > So it's probably best to have rsync-bpc implement the old
>> $Conf{RsyncCsumCacheVerifyProb} setting. It could do that by randomly
>> skipping the --checksum short-circuit during a full. For that fraction of
>> files, it would do a full rsync check and update, which would update the
>> pool file if they are not identical.
>> >
>> > That would be a good compromise. It makes the fulls a bit slower in
>> > servers with poor network and slow disks, but it's more clear what to
>> > do in case of error. Maybe also add a "warning of possible pool
>> > corruption" if the stored checksum and the new checksum differs for
>> > those files?
>> >
>>
>> The only problem with this approach is that it never revisits pool
>> files that aren't part of new backups.
>>
>> That is why I suggested a nightly troll through the cpool/pool to
>> check md5sums going sequentially through X% each night...
>>
>>
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