404 The IBM TotalStorage NAS Gateway 500 Integration Guide
Figure 16-10 mksysb backup done on the command line
Example (backup to image file system - not bootable):
To generate a system backup file named /mksysb_images/nasnode01 and a
new /image.data file for that image, type:
mksysb -i /mksysb_image_files/nasnode01
Using the NAS administrator to back up (mksysb) to a file may abort, because of
the restricted shell. Make sure that the path exists and enough space is
available. If you have problems regarding the restricted shell, you may use root.
16.2.2 Restoring with the system backup manager
If a system has to be restored with a mksysb image, all data on the devices
(hdisk0) will be lost.
mksysb on tape: whole system restore with new boot sector
You can easily restore a system with an image residing on a tape. The tape used
for the restore must have a bootable image on the media. First mount the tape
into a tape drive. (We used a tape drive attached to the on board SCSI Port on
the back of the NAS node.)
Hook up with a serial port connection to the NAS Gateway 500, and power on the
node. Use the procedure described in 16.3, “Recovery using the Recovery CDs”
on page 412 to boot from tape and restore the system.
mksysb on tape: restore without creating boot image
Restoring a mksysb image means it is not mandatory to restore the boot sector.
The administrator can even restore the system by files or file systems. The
following two examples show how we did a restore of all files in a file system and
a restore of a single file from the mksysb image.
Note: This file will not be bootable and can only be installed using Network
Installation Management (NIM).