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From Doug Meil <doug.m...@explorysmedical.com>
Subject Re: ROOT region not assigned
Date Thu, 19 Jan 2012 18:01:17 GMT

re:  "We should do same (smile)"
I added a section in Troubleshooting/builtin tools for the 'zkcli' utility
earlier this week (not on website, but book is updated).

I agree that particular situation deserves a use-case in Troubleshooting.

On 1/19/12 12:08 PM, "Stack" <stack@duboce.net> wrote:

>On Thu, Jan 19, 2012 at 1:31 AM, Henning Blohm
>> removing the zookeeper data dir did the trick. The master stopped again
>> after complaining that it couldn't resolve the old node name (which I
>> only able to grep under the dfs data - any idea why the master host
>>name is
>> persisted there and read again?)
>Where was it?  In a file under .META. table dir?
>Will put that into our troubleshooting guide right away.
>We should do same (smile).
>> Is there further implications of deleting the zookeeper data dir? And
>> we are at it, is there some general information on what to do if you
>> to rename nodes (in particular master nodes)?
>Data in zk is transient only.  It'd be safe to remove it as long as you
>doing cluster restart.
>On renaming nodes, my belief is that this is fixed in 0.92.... if
>host, we'll reassign it a known server.

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