[CentOS] HA Storage Cookbook?

Andrew Cotter andrew.cotter at somersetcapital.com
Fri Nov 7 13:17:28 UTC 2008

-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf
Of Rainer Duffner
Sent: Friday, November 07, 2008 4:34 AM
To: CentOS mailing list
Subject: Re: [CentOS] HA Storage Cookbook?

Rudi Ahlers schrieb:
> On Thu, Nov 6, 2008 at 9:27 PM, nate <centos at linuxpowered.net> wrote:
>> Gordon McLellan wrote:
>>> Hello List,
>>> Can anyone recommend some sites regarding building high-availability 
>>> storage networks using centos (or the upstream providers brand name)?
>>> I need to have approx 2-3 tb of storage available via iscsi and smb, 
>>> but worry about having it all on a single server.  Most of the HA 
>>> articles I'm reading deal with application high availability, but 
>>> not storage.
>> Check out openfiler?
>> http://www.openfiler.com/products
>> For me I would just buy a real storage array, better reliability 
>> generally. Though entry level pricing is around $20k.
>> nate
>> _______________________________________________
> Hi Nate,
> In some countries those storage arrays are about 3 more expensive, so 
> it's cheaper to build it yourself with PC / server components. I'm 
> actually interested in such a setup as well, and would like to cluster 
> 2x machines to give a network RAID setup. What would you recommend 
> using? The idea is to serve to servers which will be clustered as 
> well, hosting web hosting Virtual Private Servers.

If you are going the route of building your own systems vs. buying a true
filer you may want to look at something like cleversafe.org.  It is intended
for globally diverse storage, but I don't see why you couldn't put together
a system in-house.  I think the minimum number of systems is 4.


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