Cisco Headend System Release 2.5 用户指南
Chapter 4 Restoration Procedures
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Restore the DNCS File System
Overview
Consider the following points about the restoration of the DNCS file system.
Prerequisite
You need the tape from your most recent backup of the file system before restoring
You need the tape from your most recent backup of the file system before restoring
the file system.
Important: Be sure your tapes are write-protected before you use them to restore the
Important: Be sure your tapes are write-protected before you use them to restore the
system.
File System Restore Script Options
The script that restores the DNCS file system is called restoreFileSystems. You can
The script that restores the DNCS file system is called restoreFileSystems. You can
run the restoreFileSystems script with the following options:
-l — Local-tape-drive. Specifies tape drive to use on local host computer.
(for example — /dev/rmt/0h)
-r — Remote-tape-drive. Specifies tape drive on a remote host computer.
(for example — sparky:/dev/rmt/0h or 192.168.1.10: /dev/rmt/0h)
-B — Backup directory. Specifies the directory that contains the backup from
which the file system will be restored. The backup directory must be on an NFS-
mounted filesystem.
-v — verbose. Verbose output.
-i — interactive. Runs the restoration script in interactive mode.
-h — help. Provides a brief description of the valid options.
Note: The –l, –r, and -B options are mutually exclusive of one another; only one of
them can be used.
Preparing to Restore the DNCS File System
Complete the following steps to prepare to restore the DNCS file system.
Important: You need to know the IP address and the netmask of the DNCS in order
Important: You need to know the IP address and the netmask of the DNCS in order
to complete this procedure.
1 Follow the procedures in
1 Follow the procedures in
Stopping System Components (on page 57) to stop the
system components.
2 Open an xterm window on the DNCS.