Cisco MDS 9700 Series Hardware Installation Manual page 179

Installing, Removing, and Verifying Field Replaceable Units
Performing a Nondisruptive Migration from Crossbar Fabric-1 Switching Modules to Crossbar Fabric-3 Switching Modules
Procedure
Command or Action
Step 1 Shut down the crossbar fabric switching module by using
the out-of-service xbar slot command (where slot refers
to the external crossbar fabric switching module slot
number).
Step 2
Remove the fan module that is over the crossbar fabric
switching module to be removed. Fan modules 1 to 3 are
numbered left to the right. When the fan modules are
installed, they cover the crossbar fabric switching modules. to access the required crossbar fabric switching module.
Step 3 Remove the Crossbar Fabric-1 Switching Module from the
chassis and replace it with the Crossbar Fabric-3 Switching
Module. Once the new module is inserted, it will
automatically power up.
Step 4 Reinstall the fan module that you removed in
more information on how to install a fan module, see
Installing a Fan Module.
Purpose
Note If the Crossbar Fabric-1 Switching Modules
are not installed in the recommended slots,
when you migrate to the Crossbar Fabric-3
Switching Modules, install the new modules
in the recommended slots as described in the
Guidelines for Crossbar Fabric Switching
Module
you are migrating the Crossbar Fabric-1
Switching Modules from the slots 1, 2, 3 and
4, insert the Crossbar Fabric-3 Switching
Modules in slots 1, 2, 3, and 5.
Crossbar fabric switching modules are numbered 1-6, from
left to right, when facing the rear of the chassis. If the
system is running, remove only one fan module at a time
You can use the locator-led xbar xbar-number command
to turn on the locator LED to assist in the fabric module
identification. The positioning of the fan modules and
respective crossbar fabric switching modules is as follows:
For more information on how to remove a fan module, see
Removing a Fan
Fan module
1
Fan module
2
Fan module
3
Note Only one crossbar fabric switching module
should be removed at a time. Before removing
the second crossbar fabric switching module,
ensure that the first module is up.
For more information on how to remove and install a
crossbar fabric switching module, see
Switching Modules, on page
Step 2. For
Cisco MDS 9700 Series Switches Hardware Installation Guide
Installation, section. For example, if
Module.
Fabric modules
1-2
Fabric modules
3-4
Fabric modules
5-6
Crossbar Fabric
156.
165