Cisco Headend Digital Broadband Delivery System 安装指南
Back Up the Informix Database
4036043 Rev B
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Back Up the Informix Database
Backing Up the Informix Database
This procedure should be completed as close to the maintenance window as
possible, thereby allowing sufficient time to complete the backup before entering the
maintenance window. Use these procedures to back up the DNCS and Application
Server databases.
Notes:
possible, thereby allowing sufficient time to complete the backup before entering the
maintenance window. Use these procedures to back up the DNCS and Application
Server databases.
Notes:
The system components can be running while you back up the Informix
database.
It may take up to 30 minutes to back up a typical database with approximately
100,000 DHCTs.
If you are using an external DVD drive, substitute cdrom1 for cdrom0.
1 From a root xterm window, type df -n and then press Enter. A list of the
mounted filesystems appears.
Note: The presence of /cdrom in the output confirms that the system correctly
mounted the DVD.
Note: The presence of /cdrom in the output confirms that the system correctly
mounted the DVD.
2 Label your backup tape with the following information:
[DNCS or Application Server] Database Backup [Day of the Week]
[Site Name]
[Software Version]
SR 2.8.1/3.8.1/4.3.1 DVD [version]
[Tape #]
Notes:
[Site Name]
[Software Version]
SR 2.8.1/3.8.1/4.3.1 DVD [version]
[Tape #]
Notes:
Customize the label with the day of the week, site name, and software
version for the site you are backing up.
version for the site you are backing up.
If your database backup requires more than one tape, be sure to note the tape
number on the label.
number on the label.
3 Insert the tape into the tape drive of the DNCS and wait until the green light
stops flashing.
Important: Be sure that you are using different tapes for each day of the week.
Important: Be sure that you are using different tapes for each day of the week.
4 Type . /dvs/dncs/bin/dncsSetup and then press Enter. The system establishes
the root user environment.
Important: Be sure to type the dot, followed by a space, prior to typing /dvs.
Important: Be sure to type the dot, followed by a space, prior to typing /dvs.