
18-24 Hardware maintenance
Disk unit replacement—shadowed system
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
d. Ensure that all other settings (for example, parity) are
correct. Refer to the disk drive illustrations in Chapter 7.
Note:
Verify that the backplane switches are set to
shadowing configuration. Refer to Chapter 8, “Configuring
the backplane and inspecting the printed circuit packs,” for
the correct switch settings.
e. Open the locking levers and align the new disk drive with the
appropriate MSU slot in the module. Refer to
“PCP slot allocations for 1-node shadowed system” on page
18-11
“PCP slot allocations for 2-node shadowed system” on page
18-12
“PCP slot allocations for 3-node shadowed system” on page
18-13
“PCP slot allocations for 4-node shadowed system” on page
18-14
“PCP slot allocations for 5-node shadowed system” on page
18-15
f. Gently slide the new disk drive into the same slot where the
old secondary disk drive was. Push on the upper and lower
edges until the disk drive is fully seated in the module.
g. Close the locking levers.
h. Replace the faceplate.
Step Action
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