Hi folks, sorry about that mail before, some additional information here ...
I have a very strange behaviour with BackupPC on a XEN VM instance with SuSE 10.3 x86_64. BackupPC is configured to back up some local directories with sudo rsync. The capacity of these directories is about 45 GB. I'm using BackupPC 3.1.0, rsync 2.6.9, File::RsyncP 0.68, and the latest CPAN modules for Archive-Zip, Compress-Zlib, Compress-Raw-Zlib, IO-Compress-Base and IO-Compress-Zlib. My kernel is 2.6.22.18-0.2-xen from SuSE. No matter whether I let BackupPCd start the backup or I do it manually, sooner or later the backup is aborted, strangely almost never at the same time or file to backup or even with the same error message. Some examples: Illegal division by zero at /usr/lib/perl5/site_perl/5.8.8/IO/Compress/Base/Common.pm line 621. (after 17m34.737s) Remote[1]: Invalid remainder length 50176 [sender] Remote[1]: rsync error: protocol incompatibility (code 2) at io.c(960) [sender=2.6.9] (after 18m40.362s) Use of uninitialized value in join or string at /usr/lib/perl5/site_perl/5.8.8/IO/Compress/Base/Common.pm line 660. Compress::Zlib::inflateInit: unknown key value(s) at /usr/local/BackupPC/lib/BackupPC/FileZIO.pm line 154 (after 16m45.045s) Can't call method "isCached" on an undefined value at /usr/local/BackupPC/lib/BackupPC/Xfer/RsyncFileIO.pm line 165. (after 69m9.780s) This is just an excerpt, I have a few more. The effective rsync options are: --numeric-ids --perms --owner --group -D --links --hard-links --times --block-size=2048 --ignore-times --recursive --one-file-system I searched the BackupPC log files for hints about it, but I didn't find anything useful. The disks are not full, there is enough memory left (the VM has about 1.3 GB of RAM which are not exceeded by BackupPC as I see from carefully looking at top :). A physical RAM problem can be almost certainly eliminated since I moved the VM to a different host machine, and the problem(s) persist. The problem is reduced (thus not eliminated) when I turn down compression to level 0 - but that's not really what I want ... The same BackupPC installation is also backing up two Windows machines via smb, one with about 1 GB and the other with about 18 GB of data, and it does this just fine. Any help about these apparently random aborts is very much appreciated ... thank you! Thomas
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