Re: [BackupPC-users] prevent full OS partition when data disk fails

If you did follow BPC install instructions, BPC should work with a non root user (say backuppc).
Then you can give mount point directory restrictive permissions (while backuppc filesystem is unmounted):

/etc/init.d/backuppc stop (or similar)
umount /dev/sdb1
chown root.root /var/lib/backuppc
chmod 750 /var/lib/backuppc

When you mount the fs again the permission are that of the mounted fs and BPC can write (I assume you use a unix fs, like ext3/4, xfs or so, not fat nor ntfs).
If /dev/sdb1 fails to be mounted, then BackupPC daemons cannot write to the mount point and your root partition does not fill up.

Sorry for my poor english
Bye

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Il 14/07/2015 12:31, Jürgen Depicker ha scritto:

Hello,

I wonder what is best practice to prevent the OS partition to fill up when my data disk fails.

My setup: all virtualized; all backups stored in /var/lib/backuppc , but that is /dev/sdb1 mounted there. So if that drive fails, I’m pretty sure Backuppc will fill up my / partition recreating the backup in the then empty /var/lib/backuppc . How can I prevent this?

I guess changing topDir may be an option, but there may be a more elegant solution?

Kind regards,

Jürgen
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