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Subject: Re: Adding disks and partitions
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From: Sean Roberts <sroberts@hortonworks.com>
To: "user@ambari.apache.org" <user@ambari.apache.org>
Date: Fri, 8 May 2015 17:03:19 +0100
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Omkar - There is no preference. Name them and put them where fits your=20
preference. If you don=E2=80=99t have a preference, go with the naming used=
 in=20
the documentation.

--=20
Hortonworks - We do Hadoop

Sean Roberts
Partner Solutions Engineering - EMEA
@seano
On 8 May 2015, at 15:02, Joshi Omkar wrote:

> Hi Sean,
>
> Thanks for the inputs.
>
> What is the normal/ideal location to set a mount point ?
>
> Yes, I plan to use Ambari for the configs. once the disks are ready to=20
> be used for the datanodes.
>
> Regards,
> Omkar Joshi
>
>
> From: Sean Roberts [mailto:sroberts@hortonworks.com]
> Sent: den 8 maj 2015 15:59
> To: user@ambari.apache.org
> Subject: Re: Adding disks and partitions
>
>
> Omkar - Yes, with HDFS (nothing HDP specific) you mount each drive=20
> separately.
>
> Where you mount them doesn=E2=80=99t matter, but never set a mount point=
=20
> under /dev.
>
> This talks to the various configuration settings to update to match=20
> those dirs, but you would do them from Ambari instead of editing the=20
> configuration files manually:
> http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.2.4/HDP_Man_Install_v=
224/index.html#ref-1f93da57-d4dc-4de9-8e9c-34b1442e77f8
>
> --
> Hortonworks - We do Hadoop
>
> Sean Roberts
> Partner Solutions Engineering - EMEA
> @seano
> On 8 May 2015, at 14:46, Joshi Omkar wrote:
>
> Hi,
>
> I have 600GB X 8 disks on each machine that can be used for HDP.
>
> 1 disk is used for the /root, /home etc. so I'm now left with 7 disks.
>
> If I understand correctly from the HDP=20
> recoshttp://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.1.7/bk_cluster-p=
lanning-guide/content/file_system.html.=20
> , I can MOUNT these 7 disks as:
>
> /dev/grid/0
> /dev/grid/1
> .
> .
> /dev/grid/6
>
> Where each disk will have a ONE SINGLE BIG partition with ext3/ext4.
>
> Regards,
> Omkar Joshi