Hi Phani -

You should find that Knox WEBHDFS support is compatible with any
implementation of the HDFS REST API.
Things like HttpFS should work in place of WebHDFS if your distro is
missing explicit support for it.

Ranger service level authorization would still work with Knox in this case
but may not have lower level authorization enforcement that requires NN -
again depending on your distro's support.

Hope this is helpful to you.

--larry

On Fri, May 29, 2015 at 11:22 AM, Phani Yadavilli -X (pyadavil) <
[email protected]> wrote:

>  Hi Vinay,
>
>
>
> Thank you. I will try that. I have another question.
>
> We are using the MapR cluster where we do not have NameNode. Instead we
> have CLDB. Is there any workaround I can do to make the ranger and knox
> work with the cluster.
>
>
>
> Regards
>
> Phani Kumar
>
>
>
> *From:* Vinay Shukla [mailto:[email protected]]
> *Sent:* Friday, May 29, 2015 8:29 PM
>
> *To:* [email protected]
> *Subject:* Re: Unable to start the gateway
>
>
>
> You missed the below step needed once before starting gateway for the
> first time.
>
>
>
> bin/knoxcli.sh create-master
>
>
>
> Thx,
>
> Vinay
>
>
>
> On Fri, May 29, 2015 at 7:13 AM, Phani Yadavilli -X (pyadavil) <
> [email protected]> wrote:
>
> Hi Kevin,
>
>
>
> Please find the log attached.
>
>
>
> Regards
>
> Phani Kumar
>
>
>
> *From:* Kevin Minder [mailto:[email protected]]
> *Sent:* Friday, May 29, 2015 6:30 PM
> *To:* [email protected]
> *Subject:* Re: Unable to start the gateway
>
>
>
> Hi Phani,
>
> Could you take a look at the log file (logs/gateway.log) and show us the
> content of that.  With that we should be able to help.
>
> Kevin.
>
>
>
> *From: *"Phani Yadavilli -X (pyadavil)" <[email protected]>
> *Reply-To: *"[email protected]" <[email protected]>
> *Date: *Friday, May 29, 2015 at 2:54 AM
> *To: *"[email protected]" <[email protected]>
> *Subject: *Unable to start the gateway
>
>
>
> Hi Team,
>
>
>
> I am a newbie to the knox. I am trying to setup knox in our environment as
> a part of POC. When I am trying to run the
>
>
>
> ./gateway.sh start
>
> Starting Gateway failed.
>
>
>
> I am unable to start the gateway. Could you please help me understand and
> debug the issue.
>
>
>
> Regards
>
> Phani Kumar
>
>
>

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