Novell LINUX ENTERPRISE SERVER 10 SP2 - INSTALLATION AND ADMINISTRATION Installation Manual page 966

5 Unmount the root file system from the rescue system:
6 Reboot the machine.
Repairing and Checking File Systems
Generally, file systems cannot be repaired on a running system. If you encounter serious
problems, you may not even be able to mount your root file system and the system boot
may end with a kernel panic. In this case, the only way is to repair the system
from the outside. It is strongly recommended to use the YaST System Repair for this
task (see Section "Using YaST System Repair" (page 941) for details). However, if you
need to do a manual file system check or repair, boot the rescue system. It contains the
utilities to check and repair the ext2, ext3, reiserfs, xfs, dosfs, and vfat
file systems.
Accessing the Installed System
If you need to access the installed system from the rescue system to, for example,
modify the boot loader configuration, or to execute a hardware configuration utility,
you need to do this in a "change root" environment.
To set up a "change root" environment based on the installed system, proceed as fol-
lows:
1 First mount the root partition from the installed system and the device file system:
2 Now you can "change root" into the new environment:
3 Then mount /proc and /sys:
948 Installation and Administration
umount /mnt
mount /dev/sda6 /mnt
mount --bind /dev /mnt/dev
chroot /mnt
mount /proc
mount /sys