Backup and Restore
Backup operations allow you to copy the data on your system
to another storage medium, such as diskettes, tapes, and CDs,
for archiving.
Restore operations allow you to recover information
that may have been lost as a result of human or mechanical error.
You must use the restore method that corresponds to the backup
method used to create the archive volume to
restore files, directories, filesystems, data
partitions, disks, and partitioning information.
There are several means of archiving and restoring data on your system.
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Preparing emergency recovery media using the
emergency_disk(ADM)
and
emergency_rec(ADM)
commands is the first step in backing up your system.
These commands create bootable media and tapes that archive the primary
hard disk.
These commands back up both user and system data and allow recovery from
the unlikely occurrence that the system is not bootable and/or the hard
disk is damaged.
Typically, emergency recovery diskettes and tape(s) are created
after all system and add-on software is installed.
They only need to be recreated if you update your system software.
These commands are described in
``Creating and using
emergency recovery media''.
Once emergency recovery media are created, additional data can be archived
using any of the utilities described below.
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The traditional SCO OpenServer utilities
backup(ADM) and
restore(ADM)
are available for performing complete and incremental backups of user
and application data.
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cpio(C),
tar(C),
and
volcopy(ADM)
are basic system
commands for archiving and copying files.
cpio is especially suitable for transferring files between
different types of UNIX systems.
Backup and restore solutions from other vendors
Check the websites of the following vendors
for versions of their software for SCO OpenServer.
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