Cisco Headend System Release 2.7 Installation Guide
Chapter 1 SR i4.2.2 DVD Pre-Upgrade Procedures
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Examine Disks and Mirrored Devices
Examine the status of the mirrored disk drives on the Sun Fire V445, V880 or V890
DNCS prior to the SR i4.2.2 upgrade. All the disk mirroring functions must be
working normally before proceeding with the upgrade.
DNCS prior to the SR i4.2.2 upgrade. All the disk mirroring functions must be
working normally before proceeding with the upgrade.
CAUTION:
If the disk mirroring functions of the DNCS are not working properly before the
upgrade, you may not be able to easily recover from a failed upgrade.
If the disk mirroring functions of the DNCS are not working properly before the
upgrade, you may not be able to easily recover from a failed upgrade.
Examining Disks and Mirrored Devices
Follow these instructions to examine the status of the mirrored drives on your
DNCS. This procedure should take only a few minutes to complete.
1 If necessary, open two xterm windows on the DNCS.
2 In one of the windows, type metastat | more and then press Enter. The system
DNCS. This procedure should take only a few minutes to complete.
1 If necessary, open two xterm windows on the DNCS.
2 In one of the windows, type metastat | more and then press Enter. The system
displays the status of all of the metadevices on the DNCS.
Note: Press the Spacebar, if necessary, to page through all of the output.
Note: Press the Spacebar, if necessary, to page through all of the output.
3 Do all metadevices display a state of OK?
If yes, go to step 4.
If no, call Cisco Services for help in resolving these issues with the
metadevices.
metadevices.
4 Follow these instructions to log on to one of the xterm windows 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.
5 In the root xterm window, type format </dev/null and then press Enter to
confirm that all disks are present and readable.
Example: You should see output similar to the following example, that assumes
you have a 6-disk, Sun Fire V880:
Example: You should see output similar to the following example, that assumes
you have a 6-disk, Sun Fire V880:
AVAILABLE DISK SELECTIONS:
0. c1t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
/pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e0108977d1,0
1. c1t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
.
..
11. c2t5d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
/pci@9,600000/pci@1/SUNW,qlc@4/fp@0,0/ssd@w2200000c5056c543
,0