[gpfsug-discuss] GPS Native RAID on linux?

[Chris Stone]

Luke
My understanding is that GPFS Native RAID is only supported on two types 
of Storage.
Power 775 Disk Enclosure - 384 disks -water cooled.
GPFS Storage Server.

You are right that the clues to this are not obvious.
Here are two of them that I found in the docs.

Here is an extract from the latest GPFS FAQ.
Q2.18: On what platforms is the GPFS Native RAID (GNR) function supported?
A2.18: On Power, GPFS for AIX V3.4.0-9 or later, and GPFS for Linux on 
Power V3.5.0-2 or later, support
the GPFS Native RAID function on P775 servers with P775 Disk Enclosures. 
See
https://www.ibm.com/developerworks/wikis/display/hpccentral/IBM+HPC+Clustering+with+Power+775+-+Service+Packs

On System x, GNR is supported on the IBM System x GPFS Storage Server. See 

http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=AN&subtype=CA&htmlfid=897/ENUS112-218&appname=USN


Here is the first line from the Chapter on Native RAID from the GPFS 
Advanced Admin Guide:
Note that GPFS Native RAID is not supported on GPFS 3.5 without APAR 
IV16031.

Cheers


Chris Stone 
Senior IT Specialist, High Performance Computing Services Team
IBM Systems & Technology Group 
Hursley Park, MP137, Winchester, Hants. SO21 2JN, UK
:+44 (0) 1962 816199 - (Internal x246199)
Mobile: +44 (0)7967 275 026 
 Email: chris_stone at uk.ibm.com




From:   Luke Raimbach <luke.raimbach at oerc.ox.ac.uk>
To:     gpfsug main discussion list <gpfsug-discuss at gpfsug.org>, 
Date:   15/05/2013 22:39
Subject:        Re: [gpfsug-discuss] GPS Native RAID on linux?
Sent by:        gpfsug-discuss-bounces at gpfsug.org



I've got some x3650s...

I want to do GNR. Is this a "special" feature that only IBM can unlock for 
x86?

I want it for my x86. Now.

Someone tell me which bit of the manual I've missed?

--

Luke Raimbach
IT Manager
Oxford e-Research Centre
7 Keble Road,
Oxford,
OX1 3QG

+44(0)1865 610639
________________________________________
From: gpfsug-discuss-bounces at gpfsug.org 
[gpfsug-discuss-bounces at gpfsug.org] on behalf of Stuart Barkley 
[stuartb at 4gh.net]
Sent: 15 May 2013 17:12
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] GPS Native RAID on linux?

On Fri, 26 Apr 2013 at 11:06 -0000, Pete Smith wrote:

> I thought from the presentation that this was available on linux ... but
> documentation seems to indicate IBM GSS only?

We have a new GSS (not yet installed, waiting on power).  The GPFS
nodes are what appear to be fairly ordinary x3650 M4 systems.

Despite having Redhat licenses, I expect us to use our standard CentOS
6.4 on these systems (using the same update mirror and baseline
configuration as our other systems).

Or perhaps the question meant purchasing GPFS/GNR separate from a GSS
purchase.  I have no idea about that.

Stuart
--
I've never been lost; I was once bewildered for three days, but never 
lost!
                                        --  Daniel Boone
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