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Installation and Migration Guide


Replacing the frame supervisor

To replace the frame supervisor with an updated frame supervisor, perform the following steps. As with many PSSP commands, you must have the appropriate authority or credentials to use them. See Step 24: Obtain credentials.

Step 1: Install the new frame supervisor card

Your IBM Customer Engineer (CE) performs this step.

Step 2: Reconfigure the hardware monitor to recognize the new hardware

Issue the following command to update the frame supervisors with the frame id:

hmcmds setid frame_number:0

For example:

hmcmds setid 1:0

Step 3: Update the state of the supervisor microcode

To ensure that you have the latest level of microcode required by the hardware on your SP system, issue the spsvrmgr command. For example, to get the status in report form of all of your frames, nodes, and switches, enter:

spsvrmgr -G -r status all

To update the microcode of the frame supervisor of frame 3, enter:

spsvrmgr -G -u 3:0

Refer to the PSSP: Command and Technical Reference for more information on using the spsvrmgr command.

Step 4: Issue Eannotator

Use Eannotator to update the switch topology file's connection labels with their correct physical locations. Use the -O yes flag to store the switch topology file in the SDR.

For example, to annotate a two-switch or maximum 32-node system, enter:

Eannotator -F /etc/SP/expected.top.2nsb.01sb.0 \
           -f /etc/SP/expected.top.annotated -O yes

Step 5: Issue Eclock (SP Switch only)

Use the Eclock command to set the switch's clock source for all switches. For example, if your RS/6000 SP system has six node switch boards and four intermediate switch boards, select /etc/SP/Eclock.top.6nsb.4isb.0 as an Eclock topology file.

Eclock -f /etc/SP/Eclock.top.6nsb.4isb.0

This command sets the proper clock source settings on all switches within a 96-way (6nsb, 4isb) RS/6000 system.

Use the following command to verify the status in the supervisor cards:

hmmon -G -Q -v mux 1:17

Step 6: Issue Estart

Run Estart to restart the switch.

Note:
|If you are using the Switch Admin daemon for node recovery, start it |by issuing startsrc -s swtadmd on SP Switch systems or startsrc |-s swtadmd2 on SP Switch2 systems before issuing the Estart |command. |


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