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21-95
Cisco MDS 9000 Family Command Reference
OL-8413-07, Cisco MDS SAN-OS Release 3.x
Chapter 21 S Commands
system health module
Defaults The default for OHMS is enabled.
The CRC Checksum test is enabled to automatically run in the background every 7 days.
The firmware update is enabled to automatically run in the background every 30 days.
The failure-action feature is enabled.
Command Modes Configuration mode.
Command History
Usage Guidelines The CRC checksum test and the firmware update can be enabled on the following modules:
• DS-X9016
• DS-X9032
• DS-X9302-14K9
• DS-X9308-SMIP
• DS-X9304-SMIP
• DS-X9530-SF1-K9
If you do not configure the loopback frequency value, the default frequency of 5 seconds is used for all
modules in the switch.
Examples The following example enables the battery-charger test on both batteries in the CSM module. If the
switch does not have a CSM, this message is issued:
switch# config terminal
switch(config)# system health module 6 battery-charger
battery-charger test is not configured to run on module 6.
The following example enables the cache-disk test on both disks in the CSM module. If the switch does
not have a CSM, this message is issued:
switch(config)# system health module 6 cache-disk
cache-disk test is not configured to run on module 6.
The following example enables the bootflash test.
switch(config)# system health module 6 bootflash
System health for module 6 Bootflash is already enabled.
The following example enables you to prevent the SAN-OS software from taking any action if any
component fails.
switch(config)# system health module 6 bootflash failure-action
System health failure action for module 6 Bootflash test is now enabled.
The following example enables an already-enabled bootflash test.
Release Modification
1.3(4) This command was introduced.
3.1(3) Added the cf-crc-check and cf-reflash options.
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