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The hdisk connection location number [connwhere] is displayed. Make a note of this
number; you will need it later in this procedure.
Remove the new hdisk number by giving the command:
rmdev -l [hdisknumber] -d
where [hdisknumber] is the hdisk number that you want to remove (for example,
hdisk12).
Remove the definition of the original hdisk by giving the command:
rmdev -l [hdisknumber] -d
where [hdisknumber] is the hdisk number of the original disk drive module (for
example, hdisk7).
Give the command:
mkdev -p ssar -t hdisk -c disk -s ssar -w [connwhere] -l [hdisknumber]
where [connwhere] is the connection location number that you noted in step 23, and
[hdisknumber] is the hdisk number you want for the new disk drive module (for
example, hdisk7).
If you want to remove, from the system configuration, pdisk numbers that are not
used, give the following command for pdisks that remain defined:
rmdev -l [pdisk] -d
where [pdisk] is the number of the pdisk that you want to remove from the
configuration.
Use the Display/Download Microcode service aid to check the level of microcode
that is present on the disk drive module that you have just installed (see the chapter
about SSA service aids in the SSA Adapters: User's Guide and Maintenance
Information). The microcode level of this disk drive module must be the same as, or
higher than, the microcode level of the other disk drive modules.
If necessary, use the Display/Download Microcode service aid to download the latest
level of microcode to the disk drive module.
Chapter 3. Removal and Replacement Procedures
3-27
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