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Verify the replacement fan
Prerequisites
Establish a connection to the system as described in
page 14.
About this task
Complete the following steps to verify the replacement fan.
Steps
1. Use the enclosure show fans command to check the status of each fan. Record the failed fan.
# enclosure show fans 1
Enclosure
Description
---------
-----------------
1
System Board Fan1
System Board Fan2
System Board Fan3
System Board Fan4
System Board Fan5
System Board Fan6
---------
-----------------
2. Use the alerts show current (or alerts show current-detailed) command.
# alerts show current
No active alerts
Restore the HA configuration
Bring the HA configuration back online after completing the maintenance activity.
About this task
For single node systems, skip these steps.
Steps
1. Run the ha online command on the node where the maintenance was performed to bring the HA configuration back
online.
# ha online
The operation will reboot this node.
Do you want to proceed? (yes|no) [no]: yes
Broadcast message from root (Wed Jul 22 17:03:32 2020):
The system is going down for reboot NOW!
This node is changed to online state.
Node is going down for reboot.
2. Run the ha status command to verify that the HA pair is back online, and can failover.
HA System Name: datadomain-ha3a.emc.com
HA System Status: highly available
Node Name
-------------------------- --------- --------- --------
datadomain-ha3a-p0.emc.com
datadomain-ha3a-p1.emc.com
-------------------------- --------- --------- --------
Establish a serial management connection to the PowerProtect system
Level
Status
------
------
medium
OK
medium
OK
medium
OK
medium
OK
medium
OK
medium
OK
------
------
Node ID
Role
0
standby
1
active
HA State
online
online
on
Replace a Fan
29
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