
Disk Space Problems
Depending on the DOS version and the size and number of
device driver files used by your system, you may not have
room for SnapBack on a single floppy diskette.
Multiple disks — If you do not have enough space to
make the SnapBack disk bootable, you can boot from a
DOS floppy and then switch to the rescue diskette.
Delete Files — You may delete some of the SnapBack
utility files. The files SnapBack must have to operate are:
INSTALL
• SNAPBACK.EXE
• SNAPBACK.OVR
• SNAPBACK.VRF
Hard drive boot – You can boot DOS and run
SnapBack/DOS from the hard drive if you are backing up
the system, using tape utilities, restoring to a drive other
than the boot drive, or backing up a drive.
Note > For disaster recovery, you must have a floppy bootable copy of
SnapBack/DOS.
Memory Problems
SnapBack requires 500K of free conventional memory.
Depending on the DOS version and drivers loaded, this
memory may not be available. If memory is a problem, use
the DOS program MEMMAKER to optimize memory use.
Testing the Rescue Diskette
The rescue disk is very useful for creating offline backups
and testing the system hardware in a simple single-user
environment. It is essential for restoring a backup on a
failed server.
SnapBack Live! 33
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