Cisco Headend System Release 2.7 Installation Guide

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Chapter 2    SR 5.0 Pre-Upgrade Procedures 
 
 
 
14 
4035749 Rev B 
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 5.0 upgrade. 
 
CAUTION: 
If the disk mirroring functions 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 
system. This procedure should take only a few minutes to complete. 
1
  In the root xterm window, type the following command and then press Enter to 
confirm that all disks are present and readable. 
format  </dev/null 
 
Example:  You should see output similar to the following example: 
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
 
2
  Is your DNCS platform a Sun Fire V880 or V890? 
 
If yes, type (as root user) the following command and then press Enter to 
verify that all slots with disks have a Disk Status of OK
luxadm  display  FCloop
  
Example:   
 
SUNWGS INT FCBPL
 
Disk Status
 
Slot  Disks  
 
(Node WWN)
 
On (OK) 
 
500000e0108977d0
 
On (OK) 
 
20000004cf2bf3f1
 
On (OK) 
 
500000e010897d30
 
On (OK) 
 
500000e010898090
 
On (OK) 
 
500000e010894d90
 
On (OK) 
 
2000000c5056c543
 
Not Installed
 
Not Installed