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https://issues.apache.org/jira/browse/HADOOP-7991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved HADOOP-7991.
---------------------------------
Resolution: Fixed
Fix Version/s: HA Branch (HDFS-1623)
Hadoop Flags: Reviewed
Eli committed this yesterday, but was having JIRA problems. Resolving on his
behalf.
> 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
> Fix For: HA Branch (HDFS-1623)
>
> 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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