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From Mike Drob <>
Subject Re: accumulo 1.6 and HDFS non-HA conversion to HDFS HA
Date Tue, 05 Aug 2014 17:11:21 GMT
Hi Craig!

Part of the HA transition is described at although you'll have to
read through the comments to get the actual steps. I don't have a concise
summary of what needs to be done because I haven't had a chance to try it


On Tue, Aug 5, 2014 at 12:06 PM, craig w <> wrote:

> I've setup an Accumulo 1.6 cluster with Hadoop 2.4.0 (with a secondary
> namenode). I wanted to convert the secondary namenode to be a standby
> (hence HDFS HA).
> After getting HDFS HA up and making sure the hadoop configuration files
> were accessible by Accumulo, I started up Accumulo. I noticed some reports
> of tablet servers failing to connect, however, they were failing to connect
> to HDFS over port 9000. That port is not configured/used with HDFS HA so
> I'm unsure why they are still trying to talk to HDFS using the old
> configuration.
> Any thoughts ideas? I know Accumulo 1.6 works with HDFS HA, but I'm
> curious if the tests have ever been run against a non-HA cluster that was
> converted to HA (with data in it).
> --

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