12.
Lift up the disk-drive backplane (
1
in Figure 118) to disengage the backplane tabs (
2
) from the
slots (
3
) on the backplane bracket; then, push the backplane backwards until it is clear of the slots
on the bracket and remove it from the node.
1
Disk-drive backplane
2
Backplane tabs
3
Backplane-bracket slots
13.
If you are instructed to return the disk-drive backplane, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.
Removing the SAN Volume Controller 2145-8A4 disk-drive backplane
Use the following information to remove the SAN Volume Controller 2145-8A4 disk-drive backplane.
To remove the SAN Volume Controller 2145-8A4 disk-drive backplane, including the SATA back plate,
complete the following steps.
1.
Read the safety precautions in “Safety and environmental notices” on page xiii.
2.
Turn off the node while ensuring that its data is mirrored and synchronized. See MAP 5350 in the
IBM System Storage SAN Volume Controller 2145 Troubleshooting Guide
for more information.
3.
Remove the cable-retention bracket and disconnect the power cable from the node. See “Removing
the cable-retention bracket” on page 29.
4.
Remove the node from the rack and place it on a flat, static-protective surface. See “Removing the
SAN Volume Controller from a rack” on page 40.
5.
Remove the service controller. See “Removing the service controller” on page 75.
6.
Pull the hard disk drive out of the node slightly to disengage it from the back plate.
7.
8.
Notice where the two SATA cables that are connected to the back plate are connected to the system
board, as shown in Figure 119 on page 118. Then disconnect the two SATA cables from the system
1
2
3
2
Figure 118. The SAN Volume Controller 2145-CF8 disk backplane
Chapter 2. Removing and replacing parts
117
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