IBM SAN Volume Controller 2145-CG8, Hardware Maintenance Manual

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Removing the SAN Volume Controller 2145-8G4 disk-drive backplane
Use the following information to remove the SAN Volume Controller 2145-8G4 disk-drive backplane.
To remove the SAN Volume Controller 2145-8G4 disk-drive backplane, including the SATA backplane,
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 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 34.
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 46.
5.
Remove the service controller. See “Removing the service controller” on page 85.
6. Pull the hard disk drive out of the node slightly to disengage it from the backplane.
7.
Remove the top cover. See “Removing the top cover” on page 77.
8. Disconnect the two blue signal cables from the system board, shown in Figure 119 on page 133, and
disconnect the power cable from the power supply backplane card.
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2
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Figure 118. SAN Volume Controller 2145-8A4 power supply connectors
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IBM SAN Volume Controller Hardware Maintenance Guide