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Posted to hdfs-issues@hadoop.apache.org by "Ravuri Sushma sree (JIRA)" <ji...@apache.org> on 2019/08/14 15:59:00 UTC
[jira] [Updated] (HDFS-14528) [SBN Read]Failover from Active to
Standby Failed
[ https://issues.apache.org/jira/browse/HDFS-14528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ravuri Sushma sree updated HDFS-14528:
--------------------------------------
Attachment: HDFS-14528.2.Patch
> [SBN Read]Failover from Active to Standby Failed
> --------------------------------------------------
>
> Key: HDFS-14528
> URL: https://issues.apache.org/jira/browse/HDFS-14528
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha
> Reporter: Ravuri Sushma sree
> Assignee: Ravuri Sushma sree
> Priority: Major
> Attachments: HDFS-14528.2.Patch, ZKFC_issue.patch
>
>
> *Started an HA Cluster with three nodes [ _Active ,Standby ,Observer_ ]*
> *When trying to exectue the failover command from active to standby*
> *._/hdfs haadmin -failover nn1 nn2, below Exception is thrown_*
> Operation failed: Call From X-X-X-X/X-X-X-X to Y-Y-Y-Y:nnnn failed on connection exception: java.net.ConnectException: Connection refused
> This is encountered in two cases : When any other standby namenode is down or when any other zkfc is down
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