Dell EMC VxFlex Ready Node User Manual page 271
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- Operating system installation manual (74 pages) ,
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a. From the VxFlex OS CLI (SCLI), run:
scli --query_cluster
Note:
The SCLI is installed as part of the MDM component and can be
found in the following path:
ESXi (SVM) — scli
l
Linux — scli
l
b. If the node's IP addresses are included in the --query_cluster output,
the faulty node has a role of either MDM or TieBreaker (TB), in addition to
its SDS role.
If the node's IP address is located in the Master MDM role, a switch-over
action is required.
c. Switch MDM ownership to a different node:
scli -switch_mdm_ownership (-new_master_mdm_id <ID> | --
new_master_mdm_ip <IP> | --new_master_mdm_name <NAME>)
The node remains in the cluster. The cluster will be in degraded mode after it
is powered off, until the faulty component or patch operation in the node is
fixed and the node is powered back on.
d. Verify that the cluster status shows that the node is not the Master MDM
anymore:
scli --query_cluster
Output similar to the following should appear, with the relevant node
configuration and IP addresses for your deployment:
Cluster:
Mode: 5_node, State: Normal, Active: 5/5, Replicas: 3/3
Virtual IP Addresses: 9.20.10.100, 9.20.110.100
Master MDM:
ID: 0x775afb2a65ef1f02
IP Addresses: 9.20.10.104, 9.20.110.104, Management
IP Addresses: 10.136.215.239, Port: 9011, Virtual IP
interfaces: sio_d_1, sio_d_2
Version: 2.0.13000
Slave MDMs:
ID: 0x5b2e9f273b7af9b0
IP Addresses: 9.20.10.105, 9.20.110.105, Management
IP Addresses: 10.136.215.223, Port: 9011, Virtual IP
interfaces: sio_d_1, sio_d_2
Status: Normal, Version: 2.0.13000
ID: 0x5828f65b15e778f1
IP Addresses: 9.20.10.102, 9.20.110.102, Management
IP Addresses: 10.136.215.232, Port: 9011, Virtual IP
interfaces: sio_d_1, sio_d_2
Status: Normal, Version: 2.0.13000
Tie-Breakers:
ID: 0x6618e0b804644ca4
IP Addresses: 9.20.10.101, 9.20.110.101, Port: 9011
Status: Normal, Version: 2.0.13000
Dell EMC VxFlex Ready Node AMS User Guide
Common Tasks
271
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