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Master Node in SchedulingDisabled state with error "NodeNotSchedulable"
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Problem
- Master node continues to be in SchedulingDisabled state with NodeNotSchedulable error.
- Below error is seen in messages of the master node:
Javascript
xxxxxxxxxxNov 7 13:00:24 master.example.com Keepalived_vrrp[49446]: Opening file '/etc/keepalived/keepalived.conf'.Nov 7 13:00:24 master.example.com Keepalived_vrrp[49446]: Cant find interface eth3 for vrrp_instance K8S_APISERVER !!!Nov 7 13:00:24 master.example.com Keepalived_vrrp[49446]: VRRP_Instance(K8S_APISERVER) Unknown interface !Environment
- Platform9 Edge Cloud - v5.3 and Higher.
Cause
- Incorrect interface name provided during cluster creation.
- Actual interface name was eth1 and name provided during cluster creation was eth3.
Resolution
- Rename the interface name on the node to same as what is provided during cluster creation
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