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[OCI] Backup Fails with "The backup operation cannot complete because the DB system cannot be reached" (Doc ID 2590409.1)

Last updated on SEPTEMBER 20, 2019

Applies to:

Oracle Cloud Infrastructure - Database Service - Version N/A to N/A [Release 1.0]
Information in this document applies to any platform.

Symptoms

Automated backup fails with following message:

"The backup operation cannot complete because the DB system cannot be reached"

DCS agent log shows:

2019-09-18 05:02:36,013 INFO [dw-40 - GET /ping] [] c.o.d.a.c.ZookeeperHealthCheck: Can not find running process for Process zkMonitor.pl
2019-09-18 05:02:36,013 ERROR [dw-40 - GET /ping] [] c.o.d.a.r.PingAPI: zookeeper process is down
2019-09-18 05:02:36,013 DEBUG [dw-40 - GET /ping] [] c.o.d.c.e.DcsExceptionMapper: Got DcsException DcsException{errorHttpCode=ServiceUnavailable, msg=Service Dcs-Agent is down., msgId=10033, causedBy=null}
2019-09-18 05:02:36,379 INFO [ZK_Initialize_Task_Executor_Thread-SendThread(localhost:2181)] [] o.a.z.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2019-09-18 05:02:36,379 INFO [ZK_Initialize_Task_Executor_Thread-SendThread(localhost:2181)] [] o.a.z.ClientCnxn: Socket error occurred: localhost/127.0.0.1:2181: Connection refused
2019-09-18 05:02:37,480 INFO [ZK_Initialize_Task_Executor_Thread-SendThread(localhost:2181)] [] o.a.z.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2019-09-18 05:02:37,480 INFO [ZK_Initialize_Task_Executor_Thread-SendThread(localhost:2181)] [] o.a.z.ClientCnxn: Socket error occurred: localhost/127.0.0.1:2181: Connection refused
2019-09-18 05:02:38,580 INFO [ZK_Initialize_Task_Executor_Thread-SendThread(localhost:2181)] [] o.a.z.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2019-09-18 05:02:38,580 INFO [ZK_Initialize_Task_Executor_Thread-SendThread(localhost:2181)] [] o.a.z.ClientCnxn: Socket error occurred: localhost/127.0.0.1:2181: Connection refused
2019-09-18 05:02:39,681 INFO [ZK_Initialize_Task_Executor_Thread-SendThread(localhost:2181)] [] o.a.z.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)

Restarting agent and agent admin has not helped.

Cause

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In this Document
Symptoms
Cause
Solution


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