Hello Greg, Thank you for answering. Something about permissions/features of the underlying fs was my first idea too.
I don't understand how (or why) can a process running by user backuppc write a filesystem as a different user.. backuppc@<host>:~$ id uid=108(backuppc) gid=114(backuppc) groups=114(backuppc) That's the default for my debian installation. I think i tracked down the first error line G bpc_path_create: can't create f%2fetc%2f/attrib (errno 2) here: *https://github.com/backuppc/rsync-bpc/blob/dcb672942e4094849ff035506729a998b340e7e3/backuppc/bpc_dirOps.c#L62 <https://github.com/backuppc/rsync-bpc/blob/dcb672942e4094849ff035506729a998b340e7e3/backuppc/bpc_dirOps.c#L62>* and that's a mkdir with permission 0777. Issuing a: mkdir -m 0777 attrib in the *~/pc/<backuppedhost>/0/f%2fetc%2f* directory -> the attrib directory is correctly created with the right permissions: drwxr-x--- 1 backuppc backuppc 20 Sep 4 18:21 . drwxr-x--- 1 backuppc backuppc 139 Sep 4 03:23 .. drwxrwxrwx 1 backuppc backuppc 2 Sep 4 18:21 attrib -rw-r----- 1 backuppc backuppc 0 Sep 4 03:20 attrib_00a0ed124f6656e346bf0098285fa240 drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 falternatives drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fapparmor.d drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fapt drwxr-x--- 1 backuppc backuppc 2 Sep 4 03:20 fbackup.d drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fcloud drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fcron.d drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fcron.daily drwxr-x--- 1 backuppc backuppc 2 Sep 4 03:20 fcron.monthly drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fcryptsetup-initramfs drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fdefault drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fdehydrated drwxr-x--- 1 backuppc backuppc 2 Sep 4 03:20 fdpkg drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fgrub.d drwxr-x--- 1 backuppc backuppc 2 Sep 4 03:20 fmdadm drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fnginx drwxr-x--- 1 backuppc backuppc 3 Sep 4 03:20 fssh So I really don't understand why this fails. There is something about this attrib directory, because I get this very same error for every debian host I add. > ---------- Forwarded message ---------- > From: Greg Harris <ghar...@teamexpansion.org> > To: "General list for user discussion, questions and support" < backuppc-users@lists.sourceforge.net> > Cc: > Bcc: > Date: Fri, 2 Sep 2022 13:53:10 +0000 > Subject: Re: [BackupPC-users] errors on network-mounted pool filesystem > I’d suspect that the rsync_bpc call is using a user that isn’t what you expect. However, I can’t find the exact setting I was expecting. In my setup, the group that owns the backup location is the web group, (I think www for Ubuntu), not backuppc, and backuppc is part of the web group. > > Thanks, > > Greg Harris
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