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Backing Up Your HP-UX System and Software
The most important part of your system is the data you have accumulated. It
is also especially important to protect your system from corruption. You can
protect your data and system from loss, using the general procedures given in
this chapter. (For detailed procedures, see the manual
Tasks .)
Make sure you create and maintain a backup HP-UX kernel (
HP-UX 9, or
you can boot in an emergency. The backup kernel is automatically created
by SAM whenever you recon gure and reboot a new kernel from your system
console.
To build your recovery system, you can use the following devices:
Cartridge tape drives
DDS (\DAT") drives
Magneto-optical disk drives
Other hard disk drives
Back up your le system.
Restore your le system, if needed.
Creating a Recovery System
A \recovery system" is a special tape containing a subset of the HP-UX
operating system. In the event of an operating system failure that prevents you
from booting or logging into HP-UX, you can boot from the recovery system
tape and use the tools on the tape to repair the le system on your disk. A
recovery system is created by using commands rather than by using SAM.
You can also restore your system from a system CD-ROM that you can
purchase from your HP Sales Representative.
8
8-2
Backing Up and Restoring Software
/stand/system.prev
System Administration
on HP-UX 10) on your disk from which
on
/SYSBCKUP
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