Avamar: MCS non si avvia, segnalando "Unable to connect to node rabbit@localhost: nodedown"

Summary: MCS non si avvia, segnalando "unable to connect to node rabbit@localhost: nodedown".

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Symptoms

Durante il riavvio di un Management Console Service (MCS), viene registrato un messaggio di eccezione: (/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
 

La colonna Rabbimq Lo stato segnala un errore: 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
 

Backup and Recovery Manager (BRM) è abilitato:

grep Brm /usr/local/avamar/var/mc/server_data/prefs/mcserver.xml
<entry key="enableBrmService" value="true" />

Cause

La causa è sconosciuta, tuttavia di seguito viene fornita una potenziale soluzione alternativa.

Resolution

1. Accedere ad Avamar Utility Node come amministratore.

2. Eleva al privilegio root.

3. Rinominare il file binario /usr/local/avamar/var/rabbitmq/mnesia directory:

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

4. Riavvia rabbitmq:

service rabbitmq-server start
 

5. Verificare che la cartella /usr/local/avamar/var/rabbitmq/mnesia La directory esiste:

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

Esempio di output:

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. Riavviare MCS per Avamar: Come riavviare il server Management Console.

Affected Products

Avamar, Avamar Server
Article Properties
Article Number: 000063068
Article Type: Solution
Last Modified: 22 Jul 2025
Version:  4
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