We've been successfully using BackupPC 3.3 and the Windows 10 WSL feature to
access Windows 10 PCs using rsync (without the cgwin plugin). We've been using
this method on our production BackupPC server to back up about 30 Win10 Pro
clients. We just back up the C:/Users folder, which picks up the User's
Desktop, Documents, AppData folders, etc. This method has proven to be very
reliable using BackupPC 3.3.
We are testing with BackupPC 4.4 so that we can overcome the filesystem issues
that BackupPC 3.3 hard links present.
We are running into a couple of problems that seem to be related to rsync_bpc.
1. On our BackupPC 3.3 server, we are able to use an alternate ssh port for
our Windows 10 clients. We actually run ssh on port 2222 on the clients with
no problem. With BackupPC 4.4 (rsync_bpc), we get errors when trying to run on
alternate ports. The errors seem to indicate that even though we are
specifying a different port, rsync_bpc is ignoring the alternate port and
trying to use port 22. Here's the config declaration, which works on 3.3 but
not 4.4... $Conf{RsyncClientCmd} = '$sshPath -p 2222 -q -x -l root $host
$rsyncPath $argList+';
2. When we use port 22 on the client instead of port 2222 (see above), we get a
successful backup, but we have a different problem. On the Win 10 WSL client, the C:\
drive is a separate filesystem presented as /mnt/c. On our BackupPC 3.3 server, we are
able to cross this mount point successfully with no special configurations, using the
config declaration... "$Conf{BackupFilesOnly} = ['/mnt/c/'];". On our
BackupPC 4.4 server, the backup will run successfully, but no files below /mnt/c are
included. It's as if BackupPC is refusing to cross from the / filesystem to the /mnt/c
filesystem.
For the new server, we are using CentOS 8 and the default BackupPC yum packages.
Any thoughts on either problem would be much appreciated.
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