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Online System Health Management
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
To configure failure action in a switch, follow these steps:
Command
Step 1
switch# config terminal
switch(config)#
Step 2
switch(config)# system health failure-action
System health global failure action is now enabled.
Step 3
switch(config)# no system health failure-action
System health global failure action now disabled.
Step 4
switch(config)# system health module 1
failure-action
System health failure action for module 1 is now
enabled.
Step 5
switch(config)# no system health module 1 loopback
failure-action
System health failure action for module 1 loopback
test is now disabled.
Test Run Requirements
Enabling a test does not guarantee that a test will run.
Tests on a given interface or module only run if you enable system health for all of the following items:
•
•
•
The test will not run if system health is disabled in any combination. If system health is disabled to run
Tip
tests, the test status shows up as disabled.
If the specific module or interface is enabled to run tests, but is not running the tests due to system health
Tip
being disabled, then tests shows up as enabled, (not running).
Tests for a Specified Module
The system health feature in the SAN-OS software performs tests in the following areas:
•
•
•
•
•
•
•
Cisco MDS 9000 Family Configuration Guide
50-12
The entire switch.
The required module.
The required interface.
Active supervisor's in-band connectivity to the fabric.
Standby supervisor's arbiter availability.
Boot flash connectivity and accessibility on all modules.
EOBC connectivity and accessibility on all modules.
Data path integrity for each interface on all modules.
Management port's connectivity.
Caching services module batteries (for temperature, age, full-charge capacity, (dis)charge ability
and backup capability) and cache disks (for connectivity, accessibility and raw disk I/O).
Chapter 50
Monitoring System Processes and Logs
Purpose
Enters configuration mode.
Enables the switch to take failure action
(default) .
Reverts the switch configuration to
prevent failure action being taken.
Enables switch to take failure action for
failures in module 1.
Prevents the switch from taking action on
failures determined by the loopback test
in module 1.
OL-6973-03, Cisco MDS SAN-OS Release 2.x
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