If you see this message when you try to perform a backup from the System tab, this might be because there is not enough room in /tmp for the archive. To solve this using the GUI, check the following option:

Prefs > System Tab Options > Backup temporary file uses /mnt/kd/ instead of /tmp/

This message can occur when you try to upgrade the firmware. There are two solutions:

1. If you have physical access to the box, remove the CF card (or whatever storage media you use), and use another machine to give the VFAT partition the label RUNNIX
2. Otherwise, prior to upgrading, manually mount the partition (usually hda1 on CF-based installs) via the shell: mount -t vfat /dev/hda1 /oldroot/cdrom

NOTE: This error normally only occurs with installations which have been successively upgraded from early 0.6 firmwares or earlier