Hi,
Craig Barratt wrote on 2008-08-22 13:18:30 -0700 [Re: [BackupPC-users] Exclude
and Only combo]:
> James writes:
>
> > I need to back up a Zimbra mail server, but I can't get the whole thing in
> > any reasonable amount of time. I want to exclude the usual stuff:
> >
> > $Conf{BackupFilesExclude} = ['/proc', '/sys', '/mnt'];
> >
> > But I also want to exclude all of /opt, except /opt/zimbra/backup.
I also read this as "all of / except /proc, /sys, /mnt, /opt, plus
/opt/zimbra/backup". I would implement this like BackupPC does, though it's
perhaps not intuitive :-). If you are using rsync(d), that is. It won't work
with tar or smb.
$Conf {BackupFilesExclude} =
[ '/proc', '/sys', '/mnt',
'+ /opt/zimbra', '/opt/*',
'+ /opt/zimbra/backup', '/opt/zimbra/*' ];
The trick is that all of BackupFilesExclude gets passed to rsync as
'--exclude=/...' arguments. Rsync treats '--exclude=+ /something' as an
include. Thus you're including /opt/zimbra, excluding the rest of /opt, and
likewise including /opt/zimbra/backup and excluding the rest of /opt/zimbra.
That should get you what you want. For a better explanation see
BackupPC::Xfer::Rsync, lines 156 and following.
Note that the order matters: '+ /opt/zimbra' needs to be before '/opt/*' and
likewise for '.../backup'. If it feels more comprehensible, you may change
'/opt/*' to '- /opt/*' (and likewise for other excludes). You need a single
space character between +/- and the path.
I was just wondering why we can't let BackupPC do this. The reason is that
BackupPC would also generate a '+ /opt' and '/*' so that everything except
/opt/zimbra/backup would be left out. This is what your version requests:
> > $Conf{BackupFilesExclude} = ['/proc', '/sys', '/mnt', '/opt'];
> > $Conf{BackupFilesOnly) = '/opt/zimbra/backup';
"only backup /opt/zimbra/backup and exclude some things that are already left
out anyway". We know you don't want that, so we can simply leave out the
exclusion of '/*'.
Regards,
Holger
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