Cisco Headend System Release 2.5 Installation Guide
7-2
Enable Disk Mirroring
78-738190-01 Rev B
Attach Mirrors
Introduction
Before starting this procedure, inform the system operator that completing this
procedure commits the upgrade to SR 2.5 or SR 3.5. Any attempt to roll back from
the upgrade after the mirrors are attached will take up to 4 hours to complete.
Additionally, the rollback procedure cannot be performed during the current night
and will have to be performed during a maintenance window tomorrow.
Attaching Mirrors
Follow this procedure to run a script that attaches submirrors to their respective
mirrors and creates all necessary hot spare disks.
Important: Follow this procedure only if you are upgrading an Enterprise 450 or a
Important: Follow this procedure only if you are upgrading an Enterprise 450 or a
Sun Fire V880 DNCS.
1.
If necessary, open an xterm window on the DNCS.
2.
Follow these instructions to log into the xterm window as root user.
a) Type su - and then press Enter.
a) Type su - and then press Enter.
Result: The password prompt appears.
b) Type the root password and then press Enter.
3.
Insert the CD labeled UniPack Installation CD into the CD drive of the
DNCS.
4.
Type df -n and then press Enter.
Result: A list of the mounted filesystems appears.
Note: The presence of /cdrom in the output confirms that the system
Result: A list of the mounted filesystems appears.
Note: The presence of /cdrom in the output confirms that the system
correctly mounted the CD.
5.
Type /cdrom/cdrom0/s3/sai/scripts/Media/attach_mirrors and then press
Enter.
Result: A confirmation message appears.
Result: A confirmation message appears.
6.
Type y and then press Enter.
Result: The system executes a script that attaches submirrors to their
Result: The system executes a script that attaches submirrors to their
respective mirrors and creates all necessary hot spare disks.
Note: It may take as long as 60 minutes to execute the attach_mirrors script.
Note: It may take as long as 60 minutes to execute the attach_mirrors script.
7.
Type eject cdrom and then press Enter.
8.
Remove the CD.