5. R
un the system show hardware command to verify the hardware configuration is the same as it was before replacing
the NVRAM module.
# s
ystem show hardware
Slot Vendor Device Ports
---- ------- ------------------------------- --------------
M QLogic QL41000 4x 10GBase-T (NDC) Ma, Mb, Mc, Md
1 (empty) (empty)
2 EMC NVRAM 16GB Card
3 EMC PMC Quad Port 12 Gbps SAS 3a, 3b, 3c, 3d
4 Intel Intel QuickAssist Adapter 8970
5 QLogic QL41164 4x 10GbE SFP+ 5a, 5b, 5c, 5d
6 (empty) (empty)
7 EMC PMC Quad Port 12 Gbps SAS 7a, 7b, 7c, 7d
8 EMC Quad Port 16 Gbps Fibre Channel 8a, 8b, 8c, 8d
---- ------- ------------------------------- --------------
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
H
A System Status: highly available
Node Name Node ID Role HA State
-------------------------- --------- --------- --------
datadomain-ha3a-p0.emc.com 0 standby online
datadomain-ha3a-p1.emc.com 1 active online
-------------------------- --------- --------- --------
3. Optionally run the ha failover command on the current active node to fail the system back to the original active node.
76 Replace an NVRAM module
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