Running Diagnostics On The System Dimm - IBM N6270 Hardware And Service Manual

About this task
Note: For HA pairs with two controller modules in the same chassis, the sequence
in which you reinstall the controller module is especially important because it
attempts to reboot as soon as you completely seat it in the chassis. Read this entire
section before you reinstall the controller module in an HA pair.
Procedure
1. Align the end of the controller module with the opening in the chassis, if
2. Reinstall the cable management arms and recable the controller module, as
3. Reinstall the controller module:

Running diagnostics on the system DIMM

After installing a new system DIMM, you should run diagnostics.
48
IBM System Storage: N6200 Series Hardware and Service Guide
necessary, and then gently push the controller module halfway into the system.
needed.
When recabling, remember to reinstall the media converters (SFPs) if you are
using fiber cables.
If your system is in...
An HA pair in which both controller
modules are in the same chassis
A stand-alone configuration or an HA pair
in which both controller modules are in
separate chassis
The boot process is halted at either the Boot menu or the LOADER prompt.
Then perform these steps...
1. Be prepared to interrupt the boot
process.
The controller module begins to boot as
soon as it is fully seated in the chassis.
2. With the cam handle in the open
position, insert the controller module
into the chassis, firmly pushing until the
controller module meets the midplane,
and then close the cam handle so that
the latch clicks into the locked position
and the controller module is fully seated.
Attention: Do not use excessive force
when sliding the controller module into
the chassis; you might damage the
connectors.
3. As the system begins to boot, press Ctrl-c
to interrupt the boot process.
1. With the cam handle in the open
position, insert the controller module
motherboard tray into the chassis, firmly
pushing until the controller module
meets the midplane, and then close the
cam handle so that the latch clicks into
the locked position and the controller
module is fully seated.
Attention: Do not use excessive force
when sliding the controller module into
the chassis; you might damage the
connectors.
2. Reconnect the power cables to the power
supplies and to the power sources, turn
on the power to start the boot process,
and then press Ctrl-c.