Hello, despite numerous attempts, I was not able to configure BackupPC with the tar protocol. The following situation:
* BackupPC 3.3.2 runs on a Raspberry Pi with Raspbian Buster. * The backups are supposed to save the data from a PLC controller. * The controller can be reached with SSH and has tar (version 1.26) installed. The "TarClientCmd" is > /usr/bin/sshpass -p "wago" $sshPath -q -x -o StrictHostKeyChecking=no -l > admin $host env LC_ALL=C $tarPath -P -c -v -f - $shareName+ --totals The backup aborts each time with the error log: > Running: /usr/bin/sshpass -p "wago" /usr/bin/ssh -q -x -o > StrictHostKeyChecking=no -l admin <HOSTIP> env LC_ALL=C /usr/bin/tar -P -c -v > -f - /path/to/data --totals > full backup started for directory /path/to/data > Xfer PIDs are now 2743,2742 > Tar exited with error 1280 () status > tarExtract: Done: 0 errors, 0 filesExist, 0 sizeExist, 0 sizeExistComp, 0 > filesTotal, 0 sizeTotal > Got fatal error during xfer (Tar exited with error 1280 () status) > Backup aborted (Tar exited with error 1280 () status) > Not saving this as a partial backup since it has fewer files than the prior > one (got 0 and 0 files versus 0) When I enter the resolved command on the command line (with the real IP and path of course and a manual pipe at the end): > /usr/bin/sshpass -p "wago" /usr/bin/ssh -q -x -o StrictHostKeyChecking=no -l > admin <HOSTIP> env LC_ALL=C /usr/bin/tar -P -c -v -f - /path/to/data --totals > | tar -xvf - it works fine, even as user "backuppc" and in the directory /var/lib/backuppc/pc/... (=> permissions!) The error code 1280 does not seem to be known by Google. I'm not really familiar with Perl, but the error is probably thrown in the file Xfer/Tar.pm in line 183. "sysread" returns the number of successfully read bytes. In this case it seems that only 0 bytes can be read from "pipeTar". The question is why? The feeling is that I have already tried every possible command line option. Thanks in advance, I am grateful for every tip! Michael
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