Cisco Headend System Release 2.7 インストールガイド
Appendix A
System Release Rollback Procedures
84
4042389 Rev A
Roll Back the Enterprise 445/450 or Sun Fire
V880/V890 DNCS
Introduction
If your upgrade is unsuccessful, you may need to use the procedures in this section
to restore your system to its condition prior to the upgrade and then to reattach disk
mirroring on the DNCS.
to restore your system to its condition prior to the upgrade and then to reattach disk
mirroring on the DNCS.
Important: Be sure to notify Cisco Services before concluding that an upgrade has
failed and before following any of the procedures in this section. In many cases,
Cisco Services can help you easily resolve the problems related to the failed upgrade.
In addition, the procedures in this section apply only if you have not yet completed
the Re-Enable the Disk Mirroring Function. If you have already enabled disk-
mirroring on the DNCS, you will have to restore your system using your latest file
system and database backup tapes.
failed and before following any of the procedures in this section. In many cases,
Cisco Services can help you easily resolve the problems related to the failed upgrade.
In addition, the procedures in this section apply only if you have not yet completed
the Re-Enable the Disk Mirroring Function. If you have already enabled disk-
mirroring on the DNCS, you will have to restore your system using your latest file
system and database backup tapes.
Rolling Back the DNCS
Follow these instructions to roll back the DNCS from an unsuccessful upgrade to
your previous DNCS release.
your previous DNCS release.
Note: You need to be at the CDE Login window to begin this procedure. If you are
unable to get to the CDE Login window, call Cisco Services for assistance.
1 If necessary, open an xterm window on the DNCS.
2 In Stop System Components (on page 46), use these procedures, if necessary.
unable to get to the CDE Login window, call Cisco Services for assistance.
1 If necessary, open an xterm window on the DNCS.
2 In Stop System Components (on page 46), use these procedures, if necessary.
a Stopping the Application Server
b Stopping the DNCS
b Stopping the DNCS
3 Complete the following steps to log on to the xterm window as root user.
a Type su - and press Enter. The password prompt appears.
b Type the root password and press Enter.
b Type the root password and press Enter.
4 Insert the SR4.2 SP4 CD in the drive on the DNCS.
Note: If the File Manager window opens, you can close it.
5 Type cd /cdrom/cdrom0 and press Enter. The /cdrom/cdrom0 directory
becomes the working directory.
6 Type ls -la and press Enter. The system lists the contents of the CD.
7 Did the system list the contents of the CD as expected?
7 Did the system list the contents of the CD as expected?
a If yes, skip the next step and go to step 9.
b If no, the CD might be defective. Go to step 8.
b If no, the CD might be defective. Go to step 8.