Cisco Headend System Release 2.7 Guide De Montage
Reattach the Disk Mirrors
4013154 Rev C
85
Reattach the Disk Mirrors
Introduction
In this procedure, you will reattach the disk mirrors of the Enterprise 450 or Sun Fire
V880 DNCS. If you have upgraded an Enterprise 250 DNCS, you can skip this
procedure.
V880 DNCS. If you have upgraded an Enterprise 250 DNCS, you can skip this
procedure.
Additionally, 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.
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.
Reattaching the Disk Mirrors
Use this procedure to reattach the disk mirrors of the DNCS.
1 Insert the CD labeled 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 CD labeled 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 message Are you
sure that you want to proceed?
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.
$ metastat -p
d500 -m d700 d400 1
d700 1 1 c2t0d0s0 -h hsp120
d400 1 1 c0t0d0s0 -h hsp120
d501 -m d701 d401 1
d701 1 1 c2t0d0s1 -h hsp121
d401 1 1 c0t0d0s1 -h hsp121
d503 -m d703 d403 1
d703 1 1 c2t0d0s3 -h hsp123
Note: Press the Spacebar, if necessary, to scroll through all of the output.
$ metastat -p
d500 -m d700 d400 1
d700 1 1 c2t0d0s0 -h hsp120
d400 1 1 c0t0d0s0 -h hsp120
d501 -m d701 d401 1
d701 1 1 c2t0d0s1 -h hsp121
d401 1 1 c0t0d0s1 -h hsp121
d503 -m d703 d403 1
d703 1 1 c2t0d0s3 -h hsp123