Re: [BackupPC-users] Disk space used far higher than reported pool size

Craig O'Brien wrote at about 08:49:15 -0400 on Thursday, October 31, 2013:
 > The du -hs /backup/pool /backup/cpool /backup/pc/* has finished. Basically
 > I had 1 host that was taking up 6.9 TB of data with 2.8 TB in the cpool
 > directory and most of the other hosts averaging a GB each.
 > 
 > The 1 host was our file server (which I happen to know has a 2 TB volume
 > (1.3 TB currently used) that is our main fileshare.
 > 
 > I looked through the error log for this pc on backups with the most errors
 > and found thousands of these:
 > 
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > Unable to read 8388608 bytes from
 > /var/lib/BackupPC//pc/myfileserver/new//ffileshare/RStmp got=0,
 > seekPosn=1501757440 (0,512,147872,1499463680,2422719488)
 > 

Well, if such errors occur when looking for a matching pool file, then
BackupPC either will create a duplicate pool entry (with a _N pool
chain suffix) or it will fail to link.

So it's possible that either some of your pc files are not linked to
the pool and/or some of the are linked to duplicate (and unnecessary)
pool chains elements...

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