Avamar: MCS가 시작되지 않고 "노드 rabbit@localhost에 연결할 수 없음: 노드 다운"이 보고됩니다.

MCS(Management Console Service)를 재시작하는 동안 다음과 같은 예외 메시지가 기록됩니다. (/usr/local/avamar/var/mc/server_log/mcserver.log.0)

Caused by: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused
        at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:51)
        at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:185)
        at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:228)
        at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils$1.createConnection(ConnectionFactoryUtils.java:77)
        at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.doGetTransactionalResourceHolder(ConnectionFactoryUtils.java:125)
        at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.getTransactionalResourceHolder(ConnectionFactoryUtils.java:67)
        at org.springframework.amqp.rabbit.connection.RabbitAccessor.getTransactionalResourceHolder(RabbitAccessor.java:102)
        at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:618)
        at org.springframework.amqp.rabbit.core.RabbitAdmin.declareQueue(RabbitAdmin.java:133)
        at com.avamar.mc.jms.push.JmsPushService.enable(JmsPushService.java:418)
        at com.avamar.mc.jms.push.JmsPushService.start(JmsPushService.java:191)
        at com.avamar.asn.service.ServiceContainerImpl.installService(ServiceContainerImpl.java:472)
        ... 6 more

이 Rabbimq 상태에서 오류를 보고합니다. Unable to connect to node rabbit@localhost: nodedown

service rabbitmq-server status

Status of node rabbit@localhost ...
Error: unable to connect to node rabbit@localhost: nodedown 

BRM(Backup and Recovery Manager)이 활성화됩니다.

grep Brm /usr/local/avamar/var/mc/server_data/prefs/mcserver.xml

<entry key="enableBrmService" value="true" /> 

원인은 알 수 없지만 가능한 해결 방법은 아래에 나와 있습니다.

1. Avamar Utility Node에 관리자로 로그인합니다.

2. 루트 권한으로 상승합니다.

3. 이름 바꾸기 /usr/local/avamar/var/rabbitmq/mnesia 디렉토리:

mv /usr/local/avamar/var/rabbitmq/mnesia /usr/local/avamar/var/rabbitmq/mnesia.`date +%y%m%d` 

4. 다시 시작 rabbitmq:

service rabbitmq-server start 

5. 폴더 /usr/local/avamar/var/rabbitmq/mnesia 디렉토리가 있습니다.

ls -ld /usr/local/avamar/var/rabbitmq/mnesia* 

예시 출력:

drwxr-x--- 4 rabbitmq rabbitmq 97 Jul 21 19:46 /usr/local/avamar/var/rabbitmq/mnesia
drwxr-xr-x 4 rabbitmq rabbitmq 97 Jan 22 16:30 /usr/local/avamar/var/rabbitmq/mnesia.250721

6. Avamar당 MCS 재시작: Management Console Server를 재시작하는 방법