[CentOS] using Linux as a front-end controller for a SAN?

m.roth at 5-cent.us m.roth at 5-cent.us
Tue Oct 12 14:37:03 EDT 2010


Rudi Ahlers wrote:
> On Tue, Oct 12, 2010 at 8:07 PM, John R Pierce <pierce at hogranch.com>
> wrote:
>>  On 10/12/10 10:39 AM, Rudi Ahlers wrote:
>>>
>>> I hope someone can shed some light on this for me. Has anyone tried,
>>> or have experience with, setting up a Linux server to manage a few NAS
>>> devices and thus make them all visible to the clients as one large
>>> SAN?
>>>
>>> Basically, I'm thinking it would be a good idea to combine the current
>>> NAS's we have into one large system (typically a SAN?) and then let
>>> the clients all connect to one server (for authentication, LUN
<snip>
>>> Does anyone know what I'm talking about?
>>
>> how do you plan to implement redundancy on this system?   there's a
>> -huge- single point of failure in the middle of what you're talking
>> about.
>
> True, but then one could setup a HA server for the management server.
> And probably some load balancer(s) to cater for high availability.

Not *quite* sure I get what you want, but *if* I get it right, you might
consider making the NAS into a glusterfs filesystem, and then re-exporting
it from your front-end, and that could be h/a.

         mark



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