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Shutting Down or Powering Up a Fabric Module
To specify a different maximum number of fabric modules for your system, use the hardware fabrics max
number command. To verify the status of the installed fabric modules, use the show module xbar command.
To verify the amount of reserved power, use the show environment power command.
Before you begin
• Make sure that the fabric modules that you are using are installed in slots 1 through x where x is the new
• Make sure that each of the installed fabric modules is powered up by using the no poweroff xbar
• Power down the unused slots by using the poweroff xbar slot_number command (see
Step 1
Start the configuration mode by entering the configure terminal command.
Example:
configure terminal
switch#
switch(config)#
Step 2
Power off specific a specific fabric module by using the hardware fabrics max quantity command. Use a digit between
1 and 6, inclusive.
Example:
switch(config)#
switch(config)#
Shutting Down or Powering Up a Fabric Module
To shut down a fabric module, use either the out-of-service xbar command or the poweroff xbar command.
If you use the poweroff xbar command, the slot remains in that state until you use the no poweroff command.
If you use the out-of-service xbar command, the out-of-service state remains in effect until you do something
like remove the module and replace it with another module.
Note
If you are going to limit the maximum number of fabric modules, make sure that powered-on fabric modules
are in the first n fabric module slots, where n is the new maximum number of fabric modules. For example,
if you are limiting the maximum number of fabric modules to 4, you must make sure that the four powered-on
fabric modules are in fabric slots 1 through 4.
If you are powering up more fabric modules than allowed by the current maximum number of fabric modules,
then make sure that the fabric modules that you are powering up are installed in the first n fabric slots (slots
1 through n), power-on those modules with the no poweroff xbar command, and change the maximum number
of fabric modules to n (see
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
70
maximum number of fabric modules.
You do not have to fill all of the fabric slots, but the fabric modules that you install must be in slots 1
through x. For example, if you specify 4 as the new maximum number of fabric modules, you must make
sure that the fabric modules that you are using are in slots 1 through 4.
slot_number command (see
or Powering Up a Fabric Module, on page
hardware fabrics max 4
Change the Amount of Power Reserved for Fabric Modules, on page
Shutting Down or Powering Up a Fabric Module, on page
70).
Managing the Switch
70).
Shutting Down
69).
OL-30452-01.
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