I'm trying to track down why we seem to be getting empty backups on our
backuppc server. What's weird is that we have no errors. There doesn't
seem to be a debug setting for logs, and I think I've run out of things to
look at.
Some recent FULL backups have completed in around 10 seconds, which is
impossible. We're using rsync over ssh, and have a small selection of
excluded directories in order to avoid some things that are either too big,
too volatile, or already have redundancies.
I can ssh from the backuppc server to the clients as the backuppc user
(although I haven't seen such errors, so no surprise that works). I'm also
not getting the sort of errors I'd expect if sudo were broken, but just in
case I opened up the sudoers rule on a target server to allow rsync with
any arguments, but no change in behaviour.
Here are the config options I can find that look like they might be
relevant. I've also included the current log for the client I've been
testing with, including a couple of attempted full backups.
What am I missing here?
$Conf{XferMethod} = 'rsync';
$Conf{RsyncClientPath} = 'sudo /usr/bin/rsync';
$Conf{RsyncBackupPCPath} = '/usr/libexec/backuppc-rsync/rsync_bpc';
$Conf{RsyncSshArgs} = [
'-e',
'$sshPath -l backuppc'
];
$Conf{RsyncShareName} = [
'/'
];
$Conf{RsyncArgs} = [
'--super',
'--recursive',
'--protect-args',
'--numeric-ids',
'--perms',
'--owner',
'--group',
'-D',
'--times',
'--links',
'--hard-links',
'--delete',
'--delete-excluded',
'--one-file-system',
'--partial',
'--log-format=log: %o %i %B %8U,%8G %9l %f%L',
'--stats'
];
$Conf{RsyncArgsExtra} = [];
$Conf{RsyncFullArgsExtra} = [
'--checksum'
];
$Conf{RsyncIncrArgsExtra} = [];
$Conf{BackupFilesExclude} = {
'*' => [
'/bigfs*',
'/data',
'/dev',
'/mnt',
'/pool*',
'/proc',
'/run',
'/sys',
'/var/lib/postgresql',
'/var/tmp'
]
};
2025-06-01 06:00:00 incr backup started for directory /
2025-06-01 06:00:13 incr backup 1895 complete, 3767 files, 195896461 bytes,
0 xferErrs (0 bad files, 0 bad shares, 0 other)
2025-06-01 06:00:13 Removing unfilled backup 1877
2025-06-01 06:00:13 BackupPC_backupDelete: removing #1877
2025-06-01 06:00:13 BackupPC_backupDelete: No prior backup for merge
2025-06-01 06:01:03 BackupPC_refCountUpdate: host host.example.com got 0
errors (took 50 secs)
2025-06-01 06:01:03 Finished BackupPC_backupDelete, status = 0 (running
time: 50 sec)
2025-06-02 06:00:01 incr backup started for directory /
2025-06-02 06:00:08 incr backup 1896 complete, 3767 files, 195896461 bytes,
0 xferErrs (0 bad files, 0 bad shares, 0 other)
2025-06-02 06:00:08 Removing unfilled backup 1878
2025-06-02 06:00:08 BackupPC_backupDelete: removing #1878
2025-06-02 06:00:08 BackupPC_backupDelete: No prior backup for merge
2025-06-02 06:00:57 BackupPC_refCountUpdate: host host.example.com got 0
errors (took 48 secs)
2025-06-02 06:00:57 Finished BackupPC_backupDelete, status = 0 (running
time: 49 sec)
2025-06-02 20:42:01 full backup started for directory /
2025-06-02 20:42:59 full backup 1897 complete, 3766 files, 144820510 bytes,
0 xferErrs (0 bad files, 0 bad shares, 0 other)
2025-06-02 20:42:59 Removing unfilled backup 1880
2025-06-02 20:42:59 BackupPC_backupDelete: removing #1880
2025-06-02 20:42:59 BackupPC_backupDelete: No prior backup for merge
2025-06-02 20:43:48 BackupPC_refCountUpdate: host host.example.com got 0
errors (took 49 secs)
2025-06-02 20:43:48 Finished BackupPC_backupDelete, status = 0 (running
time: 49 sec)
2025-06-02 21:04:47 full backup started for directory /
2025-06-02 21:04:50 full backup 1898 complete, 3766 files, 144820553 bytes,
0 xferErrs (0 bad files, 0 bad shares, 0 other)
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