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https://issues.apache.org/jira/browse/HADOOP-7991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199690#comment-13199690
]
Hudson commented on HADOOP-7991:
--------------------------------
Integrated in Hadoop-Hdfs-HAbranch-build #67 (See
[https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/67/])
HADOOP-7991. HA: the FailoverController should check the standby is ready
before failing over. Contributed by Eli Collins
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1239774
Files :
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/CHANGES.HDFS-1623.txt
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/FailoverController.java
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HAAdmin.java
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HAServiceProtocol.java
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestFailoverController.java
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestHAAdmin.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
> HA: the FailoverController should check the standby is ready before failing
> over
> --------------------------------------------------------------------------------
>
> Key: HADOOP-7991
> URL: https://issues.apache.org/jira/browse/HADOOP-7991
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: ha
> Affects Versions: HA Branch (HDFS-1623)
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: hadoop-7991.txt
>
>
> The FC in preFailoverChecks should check that the target service is ready for
> failover (eg in the case of HDFS, that it's not in SM) before failing over to
> it. We'll need to provide a force option as well since the standby may not
> actually be ready until the failover has been initiated (eg because becoming
> active kicks it to check the log and see newly allocated blocks).
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