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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-6343) After migrating from one cluster to another, new hmaster dies when reaching out to old nodes
Date Wed, 16 Nov 2016 22:01:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack resolved HBASE-6343.
--------------------------
    Resolution: Won't Fix

Seems like an old issue probably a problem in old hbase. Reopen if can repro in new context.

> After migrating from one cluster to another, new hmaster dies when reaching out to old
nodes
> --------------------------------------------------------------------------------------------
>
>                 Key: HBASE-6343
>                 URL: https://issues.apache.org/jira/browse/HBASE-6343
>             Project: HBase
>          Issue Type: Bug
>          Components: migration
>    Affects Versions: 0.90.6
>         Environment: centos 6.0
>            Reporter: Patrick
>
> I am migrating from cluster (movetest-a.domain.com to another (movetest-b.domain.com),
both at the same version of hdfs/hbase. I am using mozilla's Backup tool to copy the /hbase
files, but I imagine any copy tool would have this issue. Each cluster has its own zookeeper
& HDFS.
> After copying the files, I try to start the new hmaster (movetest-b), and it dies because
it cannot resolve the data nodes from the source cluster (eg data01.movetest-a.domain.com).
> Log: http://pastie.org/4212244
> Things I tried that did not work:
> - delete -ROOT- from the copied data
> - delete .META. from the copied data
> - cleanly shutdown the source before copying (to flush to disk)
> Things I tried that did work:
> - add the source nodes to /etc/hosts, pointing at 127.0.0.2 (which give connection refused):
> 127.0.0.2 data01.movetest-a.domain.com data02.movetest-a.domain.com data03.movetest-a.domain.com
> After bringing up the new cluster (with /etc/hosts in place), I was able to delete the
/etc/hosts entries, and bounce hbase without error.



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