Oracle : Ошибка ORA-29740

"evicted by instance number %s, group incarnation %s"
*Cause: This instance was evicted from the group by another instance of the
cluster database group for one of several reasons, which may
include a communications error in the cluster and failure to issue
a heartbeat to the control file.
*Action: Check the trace files of other active instances in the cluster
group for indications of errors that caused a reconfiguration.

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