Cisco Headend System Release 2.7 Installation Guide
Chapter 4 Post-Upgrade Procedures
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Reattach the Disk Mirrors
Introduction
In this procedure, you will reattach the disk mirrors of the Enterprise 450 or Sun Fire
V880 DNCS.
V880 DNCS.
Do not perform this procedure unless you are certain that the upgrade has been
successful. After the mirrors are reattached, you cannot easily roll back to the
previous system release; instead, you will have to restore your system using your
latest file system and database backup tapes.
successful. After the mirrors are reattached, you cannot easily roll back to the
previous system release; instead, you will have to restore your system using your
latest file system and database backup tapes.
Reattaching the Disk Mirrors
Complete the following steps to reattach the disk mirrors of the DNCS.
1 Insert the DBDS Maintenance CD into the CD drive of the DNCS.
2 Type df -n and then press Enter. A list of the mounted file systems appears.
1 Insert the DBDS Maintenance CD into the CD drive of the DNCS.
2 Type df -n and then press Enter. A list of the mounted file systems appears.
Note: The presence of /cdrom in the output confirms that the system correctly
mounted the CD.
mounted the CD.
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 Type /cdrom/cdrom0/s3/backup_restore/mirrState -a and then press Enter. The
system begins to reattach the disk mirrors.
5 Type y and press Enter at prompt. The mirrState displays the Are you sure that
you want to proceed message.
6 After the disk mirroring process is complete, type metastat | more and then
press Enter. The system displays the status of all the metadevices on the DNCS.
Note: Press the Spacebar, if necessary, to scroll through all of the output.
Note: Press the Spacebar, if necessary, to scroll through all of the output.
7 Verify that the following two conditions are true:
The designation ok appears in the State column next to each metadevice.
No Hot Spare indicates In Use.
8 Are both conditions (listed in step 7) true?
If yes (to both conditions), the upgrade is complete.
If no (to either or both conditions), call Cisco Services for help in resolving
these issues with the metadevices.
these issues with the metadevices.