Cisco Headend System Release 2.5 Guide De Montage
D-2
SR 2.5 and SR 3.5 UniPack Rollback Procedures
78-738190-01 Rev B
Which DNCS Procedure to Run
Introduction
Three DNCS rollback procedures exist for rolling back from SR 2.5 or SR 3.5. Identify
the DNCS rollback procedure you should use based upon your DNCS hardware
platform and whether you have already run the Enable Disk Mirroring procedure
in Chapter 7.
Enterprise 450 and Sun Fire V880 DNCS
Two rollback procedures exist for the Enterprise 450 and Sun Fire V880 DNCS. Read
the following choices to help you decide.
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If you have not already run the procedure under Enable Disk Mirroring in
Chapter 7, then use the procedure under Activate the Old System Release, next in
this appendix, to roll back from SR 2.5 or SR 3.5.
Note: It should take you about 10 minutes to roll back the Enterprise 450 or Sun
Note: It should take you about 10 minutes to roll back the Enterprise 450 or Sun
Fire V880 DNCS using the Activate the Old System Release procedure. It should
take you about 1 hour to roll back the Application Server.
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If you have already run the procedure under Enable Disk Mirroring in Chapter 7,
then use the procedures under Restore the DNCS and Application Server File
System and Restore the Informix Database in DBDS Backup and Restore Procedures
For SR 2.2 and SR 3.2, SR 2.4 and SR 3.4, SR 2.5 and SR 3.5, and SR 3.3.
Note: It may take as long as 4 hours to roll back the Enterprise 450 or Sun Fire
Note: It may take as long as 4 hours to roll back the Enterprise 450 or Sun Fire
V880 DNCS. It should take you about 1 hour to roll back the Application Server.
Enterprise 250 DNCS
To roll back an Enterprise 250 DNCS, use the procedure under Roll Back the
Enterprise 250 DNCS Using the UniPack, later in this appendix, to roll back from
SR 2.5 or SR 3.5.
Note: It may take as long as 3 hours to roll back a system that uses an Enterprise 250
Note: It may take as long as 3 hours to roll back a system that uses an Enterprise 250
DNCS.