Cisco Headend System Release 2.5 Betriebsanweisung
Back Up the DNCS or Application Server Key Files
4013779 Rev C
21
Back Up the DNCS or Application Server Key Files
Overview
Consider the following points about a backup of the DNCS or Application Server
key files.
Recommended Frequency
The key files consist of those files required to boot the DNCS or Application Server.
The key files consist of those files required to boot the DNCS or Application Server.
The script that backs up the file system also backs up the key files. For this reason,
system operators need to back up the key files only when preparing for a system
upgrade.
Key Files Backup Script Options
The script that backs up the DNCS and Application Server key files is called
The script that backs up the DNCS and Application Server key files is called
backupKeyFiles. You can run the backupKeyFiles script with the following options:
-I — Key_files_include. Specifies the file that lists all the files that need to be
included in the backup.
-E — Key_files_exclude. Specifies the file that lists all the files that need to be
excluded from the backup.
-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 backup directory to which the key files
should be saved (in tar format).
Important: The system creates a file named KeyFiles.tar in the specified
Important: The system creates a file named KeyFiles.tar in the specified
directory. If you wish to back up both the DNCS and the Application Server key
files at the same time, be sure to specify different directories for both sets of key
files, or one backup will overwrite the other.
-v — verbose. Verbose output.
-A — Alternate Root Directory. Specify the Alternate Root Directory where the
key files should be restored. This is useful during a Live Upgrade (UniPack
upgrades) when you may want to back up key files from one root directory and
restore them to another root directory. The Alternate Root Directory must
contain the /usr/sbin/tar directory, or the backup script will fail to execute
correctly.