Cisco Systems Switch Cisco Nexus Switch User Manual

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6-14
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-18634-01
Chapter 6 Managing the Device Hardware
Information About Modules
Table 6-5 shows the results for each scenario.
Information About Modules
The following sections explain how you can manage operations for the device modules:
• Supervisor Modules, page 6-14
• I/O Modules, page 6-15
• Fabric Modules, page 6-15
Supervisor Modules
The Cisco Nexus 7010 device has one or two supervisor modules. When it has two supervisors, one
supervisor is automatically active while the other is in standby mode. If the active supervisor goes down
or is disconnected for replacement, the standby supervisor automatically becomes active. To understand
the terms used for the supervisors, see
Table 6-7.
Supervisor modules are automatically powered up and started with the device.
Table 6-6 Full Redundancy Mode Scenarios
Scenario
Power
Supply 1
(kW)
Power
Supply 2
(kW)
Power
Supply 3
(kW)
System
Usage
(kW)
Input Source Mode Power Supply Mode
Result
Available
Power
(kW)
Reserve
Power
(kW)
Available
Power
(kW)
Reserve
Power
(kW)
1 6.0 6.0 — 8.784 6.0 6.0 6.0 6.0 Available power does not meet
the device usage requirement.
2 6.0 6.0 3.0 8.784 6.0 9.0 9.0 6.0 Available power for the power
supply mode is sufficient but
the available power for the
input source mode is
insufficient, so the available
power does not meet the
device usage requirement.
3 6.0 6.0 6.0 8.784 9.0 9.0 12.0 6.0 Available power for both
modes meets the device usage
requirement, so you can power
up the entire device.
Table 6-7 Supervisor Module Terms and Usage in Console Displays
Module Terms Fixed or Relative Usage
module-5 and module-6
Fixed usage module-5 always refers to the supervisor module in slot 5 and
module-6 always refers to the supervisor module in slot 6.
sup-1 and sup-2
Fixed usage sup-1 always refers to the supervisor module in slot 5 and
sub-2 always refers to the supervisor module in slot 6.

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