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From Alex Moundalexis <al...@cloudera.com>
Subject Re: New cluster shows IP addresses instead of Hostnames on Accumulo Monitor
Date Tue, 08 Oct 2013 20:26:15 GMT
Do you have access to either of the following utilities?

host <ip>
dig -x <ip>


On Tue, Oct 8, 2013 at 4:02 PM, Terry P. <texpilot@gmail.com> wrote:

> Hi Alex,
> I was told by the SysAdmin that yes, they are, as I requested that all
> servers be in DNS with reverse lookup as well.
>
> How can I test?  I would normally use nslookup, but our hardened servers
> do not include it ...
>
>
>
> On Tue, Oct 8, 2013 at 2:57 PM, Alex Moundalexis <alexm@cloudera.com>wrote:
>
>> Are there proper reverse DNS records in place?
>>
>>
>>
>> On Tue, Oct 8, 2013 at 3:43 PM, Terry P. <texpilot@gmail.com> wrote:
>>
>>> Greetings folks,
>>> I've just stood up a new Accumulo 1.4.2 cluster on a customer's
>>> infrastructure where they are providing all core services such as DNS, NTP,
>>> etc.
>>>
>>> After starting the cluster for the first time and checking the monitor,
>>> I find that all the Tablet Servers appear in the Server column as IP
>>> addresses, not as hostnames, even though all configuration has been done
>>> using hostnames only and DNS is in place and functioning.  No servers have
>>> a custom /etc/hosts file with all hosts in it; all names are being resolved
>>> via DNS.
>>>
>>> The very same base machine template works fine in another environment,
>>> so I'm concerned it's something beyond my control (as in DNS core services
>>> provided by the site).
>>>
>>> Any ideas?
>>>
>>> Many thanks in advance for your help.
>>>
>>> - Terry
>>>
>>
>>
>>
>>
>>
>


-- 
Alex Moundalexis
Solutions Engineer
Cloudera, Inc.
Twitter: @technmsg

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