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Chapter 5: Chassis Management Module
Capabilities
The CMM provides a dedicated, local and remote KVM (keyboard/video/mouse) connection
over an out of band TCP/IP Ethernet network during any server state (functioning, blue-screen,
powered down, BIOS and so on). It also supports Virtual Media (VM) redirection for CD, floppy
and USB mass storage devices and configures such information as the switch IP addresses.
Module Redundancy
A blade system must have one CMM and may have two for redundancy is offered only on
a specific enclosure model, which has the hardware capability to incorporate two CMM's on
one backplane. Since the CMM uses its own processor, all monitoring and control functions
are carried out regardless of the operation or power status of the blade units. CMM modules
can only be installed in the upper and/or lower right module bays.
Determining Master/Slave Modules Status
When a blade system has two CMM modules, they are assigned a master/slave status. This
is done automatically with the default primary CMM specified for per each enclosure, while
there will be no redundant in certain enclosures.
If the master CMM is powered down or removed (or is being reset by its user), the second
(slave) CMM module will then immediately be assigned as the master. The redundant CMM
mode is only offered on specific chassis models. The slave uses the previous master IP
config in case of failover.
Note
: The Slave CMM keeps the same log/status as the Master CMM and uses the previous
master IP config.
5.2 Installation
Use this procedure to install the CMM module to the MicroBlade enclosure. Make sure the
cover to the module has been installed before proceeding. Follow the anti-static precautions.
Installing the Module
1. Remove the dummy cover from the bay in which you want to place the module.
2. Place the module locking lever in the open position.
3. Slide the module into the module bay until it stops.
4. Push the locking lever to the closed position.
After the module has been installed and the handle locked, it will turn on and a POST test
will run to verify it is working properly.
