Hello,

I have also been working to fix this error in my setup. I am running BackupPC version 3.3.1, and using rsyncd as the transfer method. In my case the fix was to increase the timeout value in the rsyncd.conf file to 2400. The files I am backing up are VM disk image files and range in size up to 50 GBytes.

In the BackupPC configuration under the Xfer panel for the Rsyncd method, there is the RsyncArgs parameter, you can add the parameter --timeout=<TIMESECS> and this may be helpful also. For me I did need to use it.

I don't know anything about the internals of BackupPC but based on my tracing and logging of the issue, the problem seems to be caused by a timeout of a read by the rsyncd daemon. I think there is a PIPE open between a BackupPC process and the rsyncd daemon. Rsyncd read times out and causes the writer to get a SIGPIPE. This seems to be much more likely to happen on very large files.

I have another thread open here as: Re: [BackupPC-users] BackupPC fails with aborted by signal=PIPE, Can't write to socket

I'm not an expert on BackupPC and this is just my experience.

Good Luck,
John

On 01/23/2017 1:50 AM, absolutely_f...@libero.it wrote:
Hi,
I got this mail every day:

The following hosts had an error that is probably caused by a misconfiguration.  Please fix these hosts:
  - server1 (aborted by signal=PIPE)
  - server2 (aborted by signal=PIPE)

I tried to run those backup with CLI, and I get this:

Can't write 32786 bytes to socket
Read EOF:
Tried again: got 0 bytes
Can't write 32816 bytes to socket
Child is aborting
Done: 1353926 files, 194996363724 bytes
Got fatal error during xfer (aborted by signal=PIPE)
Backup aborted by user signal
Saving this as a partial backup
dump failed: aborted by signal=PIPE

I am using BackupPC 3.2.1-4 (official Debian Package)

Can you help me to solve this ?
Thank you very much


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