Hi Pim,

Without DumpPreUserCmd I get the following error when initiating an incremental 
backup through the web interface:

        Got fatal error during xfer (rsync error: unexplained error (code 255) 
at io.c(226) [Receiver=3.1.2.0])
that reminds me, that I'm using rsync-bpc version 3.0.9.14, yet.
Dunno why any more, sorry. May be there were not so much differences between the versions.


And the following error when initiating a full backup through the web interface:

        Got fatal error during xfer (No files dumped for share /)

Usually, there are some more informations in the Xferlog. What shows the Xferlog of a failed attempt?

Also, both backup attempts do not yield any visible outgoing traffic via 
tcpdump. So apparently it is not even initiating the outbound SSH connections.

That's weird, indeed.

Thanks. Already tried a manual backup through the CLI, and this works.

You mean by starting BackupPC_dump? Then, that sounds great, at least this is working. You are using the same backuppc user to start the backup manually, right?


So, I am only seeing this issue with backups automatically initiated from the 
hourly schedule or manually initiated through the web interface.

That's weird, right? I guess since you guys are able to get it working without 
any issues, I must be doing something awfully stupid or I am hitting a weird 
bug in my CentOS environment.


Can I increase logging of the scheduling processes or of the web interface so I can see more details about which exact commands are being executed?

Do you see any difference between XferLOG


I am still thinking the SSH command is somehow getting mixed up when started 
from the scheduler or web application.

ok, could you please try and put a
  /usr/share/BackupPC/bin/BackupPC_dump -f -vvv (hostname)
in the crontab of your backuppc user?

Perhaps set it to some minutes apart, one time only. Maybe something like this (adjust the time), if you get no cron mails - redirect to file:

0 1 * * * /usr/share/BackupPC/bin/BackupPC_dump -f -vvv hostname 2>&1 > /tmp/my-backup-log.txt

If this fails, too: please check, what in PATH is missing compared to your normal shell use.

Greetings,
Falko


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