I just took a look at the source code. It seems like there is some
code in configure scripts that can be used to start the secondary
namenode unfortunately there is no hadoop-secondarynamenode role
defined.

So I believe it's not possible to start a Hadoop cluster that has a
secondarynamenode.

Tom have you used this in the past?

-- Andrei

On Wed, Jul 13, 2011 at 2:26 PM, John Conwell <j...@iamjohn.me> wrote:
> I'm not sure what you mean by that.  Let me rephrase...can I use whirr to
> launch a cluster that has a secondarynamenode?
>
> On Wed, Jul 13, 2011 at 2:14 PM, Andrei Savu <savu.and...@gmail.com> wrote:
>>
>> The secondary namenode is not started by the hadoop install /
>> configure scripts.
>>
>> -- Andrei Savu / andreisavu.ro
>>
>> On Wed, Jul 13, 2011 at 2:05 PM, John Conwell <j...@iamjohn.me> wrote:
>> > Does whirr support secondarynamenode instances for a hadoop cluster?  If
>> > so,
>> > what are the configuration parameters in the whirr config file?
>> >
>> > --
>> >
>> > Thanks,
>> > John C
>> >
>
>
>
> --
>
> Thanks,
> John C
>

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