Hi,
> Try something like
>
> BackupPC_verifyPool -s -p
>
> to scan the whole pool, or
>
>
Is this command released with BackuPC 3.2 only? I can't find it on my
3.1 installation...
Greetings
Christian
--
All of t
Holger Parplies wrote at about 05:46:36 +0200 on Friday, October 7, 2011:
> Hi,
>
> Jeffrey J. Kosowsky wrote on 2011-10-06 22:54:44 -0400 [Re: [BackupPC-users]
> Bad md5sums due to zero size (uncompressed) cpool?files - WEIRD BUG]:
> > OK... this is a little weird maybe...
> > [...]
> > O
Hi,
I wrote on 2011-10-07 05:46:36 +0200 [Re: [BackupPC-users] Bad md5sums due to
zero size (uncompressed) cpool files - WEIRD BUG]:
> [...]
> So far, *none* of my 1.1 million pool files (875000 checked so far) seem to be
> empty.
1148398 files in 4096 directories checked, 0 zero-length with, 0
Hi,
Jeffrey J. Kosowsky wrote on 2011-10-06 22:54:44 -0400 [Re: [BackupPC-users]
Bad md5sums due to zero size (uncompressed) cpool?files - WEIRD BUG]:
> OK... this is a little weird maybe...
> [...]
> On all (saved) backups, up to backup 82, the file (and the
> corresponding cpool file e/f/0/ef0b
Jeffrey J. Kosowsky wrote at about 18:58:51 -0400 on Tuesday, October 4, 2011:
> After the recent thread on bad md5sum file names, I ran a check on all
> my 1.1 million cpool files to check whether the md5sum file names are
> correct.
>
> I got a total of 71 errors out of 1.1 million files:
Hi,
Jeffrey J. Kosowsky wrote on 2011-10-06 22:09:52 -0400 [Re: [BackupPC-users]
Bad md5sums due to zero size (uncompressed) cpool files - WEIRD BUG]:
> Holger Parplies wrote at about 02:45:56 +0200 on Friday, October 7, 2011:
> > Jeffrey J. Kosowsky wrote on 2011-10-06 19:28:38 -0400 [Re:
> [B
Holger Parplies wrote at about 02:45:56 +0200 on Friday, October 7, 2011:
> Hi,
>
> Jeffrey J. Kosowsky wrote on 2011-10-06 19:28:38 -0400 [Re: [BackupPC-users]
> Bad md5sums due to zero size (uncompressed)?cpool files - WEIRD BUG]:
> > Holger Parplies wrote at about 17:54:05 +0200 on Thursd
On Thu, Oct 6, 2011 at 8:06 PM, Timothy J Massey wrote:
> Redundancy is a good thing.
>
> (While we're on the subject, I've considered Les' argument that compressed
> files take less space on the disk and are therefore less likely to be
> corrupted before. It's true, but like dedupe errors, it's
Holger Parplies wrote on 10/06/2011 06:58:06 PM:
> Don't you feel uncomfortable about deduplication, too, then? After all,
it
> introduces a single point of failure for common data.
No. Dedupe is merely a side effect of a filesystem. Dedupe errors are no
different than any of 1,000 other pos
Hi,
Jeffrey J. Kosowsky wrote on 2011-10-06 19:28:38 -0400 [Re: [BackupPC-users]
Bad md5sums due to zero size (uncompressed)?cpool files - WEIRD BUG]:
> Holger Parplies wrote at about 17:54:05 +0200 on Thursday, October 6, 2011:
> [...]
> > Actually, what I would propose [...] would be to
> > t
On Thu, Oct 06, 2011 at 12:53:24PM +0700, hans...@gmail.com wrote:
> On Wed, Oct 5, 2011 at 5:01 AM, Les Mikesell wrote:
> > I've always just done a full install of Cygwin where I needed it, but
> > now I'm looking for an installer package that would be easier for
> > others to use. Is there anyt
On Thu, Oct 06, 2011 at 05:54:05PM +0200, Holger Parplies wrote:
> Try something like
>
> BackupPC_verifyPool -s -p
>
> to scan the whole pool, or
>
> BackupPC_verifyPool -s -p -r 0
>
> to test it on the 0/0/0 - 0/0/f pool subdirectories (-r takes a Perl
> expression evaluating to a
Hi,
Les Mikesell wrote on 2011-10-06 18:17:06 -0500 [Re: [BackupPC-users] Bad
md5sums due to zero size (uncompressed) cpool files - WEIRD BUG]:
> On Thu, Oct 6, 2011 at 5:21 PM, Arnold Krille wrote:
> >
> >> > No, it makes perfect sense for backuppc where the point is to keep
> >> > as much hist
Holger Parplies wrote at about 17:54:05 +0200 on Thursday, October 6, 2011:
> Hi,
>
> Tim Fletcher wrote on 2011-10-06 10:17:03 +0100 [Re: [BackupPC-users] Bad
> md5sums due to zero size (uncompressed) cpool files - WEIRD BUG]:
> > On Wed, 2011-10-05 at 21:35 -0400, Jeffrey J. Kosowsky wrote
On Thu, Oct 6, 2011 at 5:42 PM, Holger Parplies wrote:
>
>> [...]
>> With compressible data you increase both capacity and reliability by
>> compressing before storage. There's no magical difference between the
>> reliability of 'cat' vs 'zcat'. Either one could fail.
>
> the problem, I believe
On Thu, Oct 6, 2011 at 5:21 PM, Arnold Krille wrote:
>
>> > No, it makes perfect sense for backuppc where the point is to keep
>> > as much history as possible online in a given space.
>>
>> No, the point of backup is to be able to *restore* as much historical data
>> as possible. Keeping the dat
Hi,
Timothy J Massey wrote on 2011-10-06 12:56:42 -0400 [Re: [BackupPC-users] Bad
md5sums due to zero size (uncompressed)?cpool files - WEIRD BUG]:
> Holger Parplies wrote on 10/06/2011 11:54:05 AM:
>
> > If you have switched off compression, you'll have to add a '-u' (though
> > I'm not sure th
Hi,
Les Mikesell wrote on 2011-10-06 13:42:09 -0500 [Re: [BackupPC-users] Bad
md5sums due to zero size (uncompressed) cpool files - WEIRD BUG]:
> On Thu, Oct 6, 2011 at 1:04 PM, Timothy J Massey wrote:
> >
> > No, the point of backup is to be able to *restore* as much historical data
> > as possi
On Thursday 06 October 2011 20:04:57 Timothy J Massey wrote:
> Les Mikesell wrote on 10/06/2011 01:21:29 PM:
> > On Thu, Oct 6, 2011 at 11:56 AM, Timothy J Massey
>
> wrote:
> > Personally, I feel that compression has no place in backups. Back
> > when we were highly limited in capacity by terr
On Thu, Oct 6, 2011 at 1:04 PM, Timothy J Massey wrote:
>
> > On Thu, Oct 6, 2011 at 11:56 AM, Timothy J Massey
> wrote:
>
> > Personally, I feel that compression has no place in backups. Back
> > when we were highly limited in capacity by terrible analog devices
> > (i.e. tape!) I used it from
Les Mikesell wrote on 10/06/2011 01:21:29 PM:
> On Thu, Oct 6, 2011 at 11:56 AM, Timothy J Massey
wrote:
> Personally, I feel that compression has no place in backups. Back
> when we were highly limited in capacity by terrible analog devices
> (i.e. tape!) I used it from necessity. Now, I j
On Thu, Oct 6, 2011 at 11:56 AM, Timothy J Massey wrote:
> Personally, I feel that compression has no place in backups. Back when we
> were highly limited in capacity by terrible analog devices (i.e. tape!) I
> used it from necessity. Now, I just throw bigger hard drives at it and am
> thankful.
Holger Parplies wrote on 10/06/2011 11:54:05 AM:
> If you have switched off compression,
> you'll have to add a '-u' (though I'm not sure this test makes much
sense in
> that case).
Well, then, it won't make much sense in *my* case: I missed that this is
unique to compressed pools. (Is it?)
Hi,
Tim Fletcher wrote on 2011-10-06 10:17:03 +0100 [Re: [BackupPC-users] Bad
md5sums due to zero size (uncompressed) cpool files - WEIRD BUG]:
> On Wed, 2011-10-05 at 21:35 -0400, Jeffrey J. Kosowsky wrote:
> > Finally, remember it's possible that many people are having this
> > problem but just
Tim Fletcher wrote on 10/06/2011 05:17:03 AM:
> Do you have a script or series of commands to do this check with?
>
> I have access to a couple of backuppc installs of various ages and sizes
> that I can test.
Me too, if it can run in a reasonable amount of time. I'd hate to find
out during a
On Wed, 2011-10-05 at 21:35 -0400, Jeffrey J. Kosowsky wrote:
> Finally, remember it's possible that many people are having this
> problem but just don't know it, since the only way one would know
> would be if one actually computed the partial file md5sums of all the
> pool files and/or restored
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