Sounds very similar to the rsync change as reported by me a few days ago and solved by David While.
Ont the client machine(s) run "rsync --version". If you get 3.2.3 you probably have this issue. Full details and possible workarounds are given at https://github.com/backuppc/backuppc/issues/369 Paul On 29/11/2020 11:55, David MENTRÉ wrote: > > Hello, > > First of all, I would like to thank BackupPC's developers for their > software. I use it to backup a few personal Linux and Windows machines > at home and it has worked flawlessly for years. It is easy to use, > robust and well documented. Thanks a lot! > > But today I am facing a strange issue that I have issues to debug. :-( > > * Context: > > * BackupPC software installed on a fresh Debian 10 machine, using > standard debian package (Version: 3.3.2-2+deb10u1) with HDD > * Machine "louise" to backup giving me headaches: Fedora 31 Linux > machine, with SSD drive > o about 39Gb to backup > o "louise" machine is backupped using ssh+rsync > o I have backupped it for years without any issue up to now. > Regular "I changed nothing!" argument (but something should > have changed, of course) > > * The Issue: After a backup of "louise" machine starts (either > automatically by BackupPC server or manually), the file transfer never > succeeds, i.e. I am never reaching the point where there are two PIDs > in BackupPC status page. And of course the backups never finishing, > even after waiting 12h! > > * More information: > > Doing backup of a remote Linux machine with same BackupPC server works > (for about 8Gb of data, 1h behind a 100Mbit connexion), so BackupPC > server seems to work. > > I have no problem to connect from BackupPC to root account on "louise" > machine. No such errors in the log files of BackupPC. > > Locally on "louise" machine, I am able to rsync the relevant directory > I want to backup to another local disk (from SSD disk to another HDD > disk) in about 6 minutes. Total transferred file size: 41,280,889,122 > bytes. File list generation time: 0.001 seconds. So it seems SSD disk > is working correctly and file list generation time is negligible. > > As recommended in the FAQ, I launched a full dump manually with -v > verbose option: > > """ > $ /usr/share/backuppc/bin/BackupPC_dump -v -f louise > cmdSystemOrEval: about to system /bin/ping -c 1 louise > cmdSystemOrEval: finished: got output PING louise (192.168.0.5) 56(84) > bytes of data. > 64 bytes from louise (192.168.0.5): icmp_seq=1 ttl=64 time=0.160 ms > > --- louise ping statistics --- > 1 packets transmitted, 1 received, 0% packet loss, time 0ms > rtt min/avg/max/mdev = 0.160/0.160/0.160/0.000 ms > > cmdSystemOrEval: about to system /bin/ping -c 1 louise > cmdSystemOrEval: finished: got output PING louise (192.168.0.5) 56(84) > bytes of data. > 64 bytes from louise (192.168.0.5): icmp_seq=1 ttl=64 time=0.150 ms > > --- louise ping statistics --- > 1 packets transmitted, 1 received, 0% packet loss, time 0ms > rtt min/avg/max/mdev = 0.150/0.150/0.150/0.000 ms > > CheckHostAlive: returning 0.150 > full backup started for directory / > started full dump, share=/ > Running: nice -n 19 /usr/bin/ssh -q -x -l root louise nice -n 0 > /usr/bin/rsync --server --sender --numeric-ids --perms --owner --group > -D --links --hard-links --times --block-size=2048 --recursive > --ignore-times . / > Xfer PIDs are now 9330 > xferPids 9330 > Got remote protocol 31 > Negotiated protocol version 28 > Sent include: /home > Sent exclude: /* > Sent exclude: /home/david/.cache > Sent exclude: /home/david/00-poubelle > Sent exclude: /home/lost+found > Sent exclude: /home/david/.opam > > [No answer after 12 hours, so I enter ^C ] > > fileListReceive() failed > Done: 0 files, 0 bytes > Got fatal error during xfer (fileListReceive failed) > Backup aborted by user signal > Not saving this as a partial backup since it has fewer files than the > prior one (got 0 and 0 files versus 0) > dump failed: fileListReceive failed > """ > > Here is the content of louise.pl configuration file: > > """ > # > # ssh+rsync > # > $Conf{XferMethod} = 'rsync'; > > $Conf{BackupFilesOnly} = ['/home']; > > $Conf{BackupFilesExclude} = [ '/home/david/.cache', > '/home/david/00-poubelle', '/home/lost+found', '/home/david/.opam' ]; > > $Conf{RsyncClientCmd} = 'nice -n 19 $sshPath -q -x -l root $host nice > -n 19 $rsyncPath $argList+'; > """ > > > I can also do following rsync command from 'backuppc' account on > BackupPC server: > > $ /usr/bin/time rsync -azx --stats root@louise:/home/david > /var/lib/backuppc/manual > > It saves the 39Gb of data in about 26 minutes. File list generation > time: 0.001 seconds. File list transfer time: 0.000 seconds > > > In my current understanding, disks on both louise and BackupPC server > machines are working, network is working and configuration aspects > should be OK. > > I am stuck at this point. > > Any idea how I could debug this issue? > > Many thanks in advance for any help, > Best regards, > D. Mentré > > > > > _______________________________________________ > BackupPC-users mailing list > BackupPC-users@lists.sourceforge.net > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > Wiki: https://github.com/backuppc/backuppc/wiki > Project: https://backuppc.github.io/backuppc/
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