Cisco Headend Digital Broadband Delivery System Guia Da Instalação
Chapter 5 Enable Disk Mirroring
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Attach Mirrors
Before starting this procedure, inform the system operator that completing this
procedure commits the upgrade. 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.
procedure commits the upgrade. 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 have upgraded a Sun Fire V445, V880
or V890 DNCS server or a Sun Fire V240 or V245 Application Server.
Note: If you are using an external DVD drive, substitute cdrom1 for cdrom0.
1 Insert the system upgrade DVD into the DVD drive of the DNCS or Application
mirrors and creates all necessary hot spare disks.
Important: Follow this procedure only if you have upgraded a Sun Fire V445, V880
or V890 DNCS server or a Sun Fire V240 or V245 Application Server.
Note: If you are using an external DVD drive, substitute cdrom1 for cdrom0.
1 Insert the system upgrade DVD into the DVD drive of the DNCS or Application
Server.
2 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.
mounted the DVD.
3 From an xterm window where you are logged on as root user, type
/cdrom/cdrom0/s3/sai/scripts/attach_mirrors and then press Enter. A
confirmation message appears.
confirmation message appears.
4 Type y and then press Enter. The system executes a script that attaches
submirrors to their respective mirrors and creates all necessary hot spare disks.
Note: It may take several hours to execute the attach_mirrors script.
Note: It may take several hours to execute the attach_mirrors script.
5 Type eject cdrom and then press Enter.
6 Repeat steps 1 through 5 if you need to attach the mirrors on a second server.
6 Repeat steps 1 through 5 if you need to attach the mirrors on a second server.