Overview Of Fabric Module Support; Change The Amount Of Power Reserved For Fabric Modules - Cisco Nexus 7718 Hardware Installation Manual

Overview of Fabric Module Support

Overview of Fabric Module Support
This switch supports the following fabric modules:
• Fabric 2 (N77-C7718-FAB-2)

Change the Amount of Power Reserved for Fabric Modules

By default, each switch reserves enough power for the maximum quantity of fabric modules that can be
installed in its chassis. If you have installed fewer than the maximum number of fabric modules and need to
free up unused reserve power for I/O modules, you can power down the unused slots and specify a smaller
maximum number of modules.
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
Procedure
Step 1
Start the configuration mode by entering the configure terminal command.
Example:
switch# configure terminal
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)#
Cisco Nexus 7718 Switch Site Preparation and Hardware Installation Guide
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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
Shutting Down or Powering Up a Fabric Module, on page
83).
Managing the Switch
83).
Shutting Down
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