[gpfsug-discuss] software RAID?

Sven Oehme oehmes at us.ibm.com
Wed Jul 10 14:28:37 BST 2013

i am not sure what the exact % is , but multiple GSS customers use their 
own racks.
GSS supports a variety of Interconnects and the clients can run a large 
number of Linux distros, AIX and Windows that are supported, even in 
intermix within one cluster.
we also have quite a number of customers using IBM equipment as the 
storage resource, but their own servers for the clients, which is usually 
the majority of the nodes in a cluster. 


From:   Jonathan Buzzard <jonathan at buzzard.me.uk>
To:     gpfsug main discussion list <gpfsug-discuss at gpfsug.org>
Date:   07/10/2013 02:46 AM
Subject:        Re: [gpfsug-discuss] software RAID?
Sent by:        gpfsug-discuss-bounces at gpfsug.org

On Tue, 2013-07-09 at 09:18 -0700, Sven Oehme wrote:
> Hi, 
> in case you are not aware of it, GPFS itself provides declustered
> distributed Software Raid capabilities with end-to-end checksum and
> many other features. 
> it ships in form of a pre-canned Solution, take a look at
> http://www-03.ibm.com/systems/x/hardware/largescale/gpfsstorage/ 

There is a world of difference between a tightly integrated system like
that where every component down to the rack is controlled by a single
vendor, and random JBOD expansion enclosure with random x86 server,
random interconnect and random version of Linux.

Noting of course where I work anything that comes in a vendor specified
rack is a big problem due to the fact we use our own racks with water


Jonathan A. Buzzard                 Email: jonathan (at) buzzard.me.uk
Fife, United Kingdom.

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