Master Node in SchedulingDisabled state with error "NodeNotSchedulable"

Problem

  • Master node continues to be in SchedulingDisabled state with NodeNotSchedulable error.

  • Below error is seen in messages of the master node:

Nov 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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Master Node in SchedulingDisabled state with error "NodeNotSchedulable"ProblemEnvironmentCauseResolution