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Midplane (hp-qualified only), Tools, Procedure – HP StorageWorks 2405 Disk System User Manual

Page 126: Midplane (hp-qualified only) 126, Tools 126, Procedure 126

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126

Removal and Replacement

Midplane (HP-Qualified Only)

The midplane board is replaceable by HP-qualified personnel only.

Replace the midplane based on troubleshooting results (see “Isolating Causes” in
chapter 4). Disks, LCCs, and power supply/fan modules connect to the midplane.

The power must be OFF and the top cover removed in order to remove and
replace the midplane board.

Caution

Turning off a disk system isolates the enclosed disks from the host.
Perform recommended system administration to prevent loss of
pending I/Os to the disks.

Tools

Small flat-blade screwdriver

Torx T25 screwdriver

Torx T15 screwdriver

Torx T10 screwdriver

ESD strap

Procedure

1

Remove the top cover. See page 124.

2

Put on your ESD strap and attach the free end to the disk system.

Caution

Static discharge can destroy functional components on the
midplane.

3

To remove the midplane:

a

Loosen the cam handle locking screws and pull power supplies free of the
midplane (see page 120).

b

Loosen the cam handle locking screws and pull the LCCs free of the
midplane.

c

Remove the disk modules from the chassis.

d

Remove the light pipes (see Figure 63 on page 128).

e

Remove the power switch extender arm.