[BackupPC-users] Keep getting "Aborting backup up after signal PIPE"

Hi there,

I am using Backup PC for backing up data from one RAID device to an other one
within the same PC. So there is only the loop network device involved.

I backup 2 TB of data (~3502304 inodes) daily from one RAID device to an other.
Every 2 month a full backup is done. But the incremental backups were only
running all 5 to 7 days because of the following error:

2016-02-24 06:00:01 incr backup started back to 2016-02-18 22:00:01 (backup #44)
for directory benutzer
2016-02-24 06:32:07 Aborting backup up after signal PIPE
2016-02-24 06:32:08 Got fatal error during xfer (aborted by signal=PIPE)

Then sometimes it works correctly 2 or 3 times in a row, then 5 times not. Here
are some variables you may want to know about my configuration:

ClientTimeout = 72000
ClientNameAlias = 127.0.0.1
XferMethod = rsyncd
ClientCharset = utf-8
RsyncShareName = benutzer
RSyncUserName = backuppc
RsyncPasswd = *******
RsyncAuthRequired = True
RSyncCsumCacheVerifyProb = 0.01
BackupFilesExclude = ['*.pyc', '.AppleDB', '.AppleDesktop', '.AppleDouble',
'.DS_Store', ....]
RsyncdClientPort = 873
RsyncArgs = ['--numeric-ids', '--perms', '--owner', '--group', '-D', '--links',
'--hard-links', '--times', '--block-size=2048', '--recursive', 
'--timeout=604800']
RsyncArgsExtra = ''
FullPeriod = 55.97
FullKeepCnt = 2
FullKeepCntMin = 1
FullAgeMax = 90
IncrPeriod = 0.97
IncrKeepCnt = 60
IncrKeepCntMin = 7
IncrAgeMax = 120
IncrLevels = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 1, 2, 3, 4, 5, 6, 7, 8,
9, 10, 11, 12, 13, 14, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 1, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
IncrFill = False
BackupsDisable = 0
BlackoutBadPingLimit = 3
BlackoutGoodCnt = 7
BlackoutPeriods = [['hourBegin' : 7, 'hourEnd' : 20, 'weekDays' : [1, 2, 3, 4, 
5]]]
PartialAgeMax = 3
RestoreInfoKeepCnt = 10
ArchiveInfoKeepCnt = 10
BackupZeroFilesIsFatal = True

I already read lots of threads and blog posts about that error. I also searched
the mailing list archive. But I was not able to solve the problem with that
help. Most of the people in these threads, blog posts and mails were also not
able to solve their issue. There all had in common that there are backing up
data through the network, but I do it on the same machine. I thought that could
be help figuring out the problem.

I sometimes had the feeling that the backup runs smoothly if many files were
changed on the file system. If there were not that many changes it came to the
error mentioned above. But this is only an assumption.

Some more information:
BackupPC Version 3.3.0
Ubuntu 15.10 x64
rsync version 3.1.1
perl version 5.20.2

Thank you.

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