Cisco Headend System Release 2.7 Installation Guide

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Chapter 2    SR 2.8.2/3.8.2/4.3.2 Upgrade Procedures 
 
 
 
40 
4038415 Rev A 
Back 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:   
 
 
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. 
2  Label your backup tape with the following information: 
[DNCS or Application Server] Database Backup [Day of the Week] 
[Site Name] 
[Software Version] 
SR 2.8.2/3.8.2/4.3.2 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. 
 
If your database backup requires more than one tape, be sure to note the tape 
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. 
4  Type the following command and press Enter. The system establishes the root 
user environment. 
. /dvs/dncs/bin/dncsSetup
 
Important:  Be sure to type the dot, followed by a space, prior to typing /dvs.