On Thursday 25 March 2010 18:42, Jeff Sturm wrote:
> My opinion is but a single data point. In my last reply I'd given you
> some guidelines and general info that you could use to do your own
> evaluation.
>
> But for my money...
>
> - High-availability block storage on Linux only--DRBD + CLVM. Make sure
> you invest in a good disk subsystem for each storage host. No need for
> 15K RPM drives everywhere, but the more spindles, the better.
>
> - SAN storage. EqualLogic for iSCSI--a bit pricey but solid, reliable,
> simple to configure and great performance. Coraid for AoE--simple,
> easy, very inexpensive, also reliable.
>
> I wouldn't bother with the standard protocols like iSCSI unless I'm also
> buying hardware from a commercial storage vendor. If you're committed
> to Linux only, take a long look at DRBD. It's actively developed and
> works great. (There are "soft" appliances for iSCSI like Openfiler.
> I've had lukewarm results with those. Commercial products are generally
> much more polished.)
DRBD by itself doesn't provide me with a storage solution. I can make a primary
and failover storage host with it, but when I want to have my VM's running on
other servers, I still need some way to let those servers access it.
But, you've given me enough food for thought for now. Thanks.
>
>> And, if you say iSCSI is ubiquitous, why are there 0 hits when I
> search for
>> iscsi on wiki.xensource.org?
>
> Do you mean wiki.xensource.com? The search
> http://www.google.com/#hl=en&q=site%3Awiki.xensource.com+iscsi gives me
> quite a few hits.
I guess I did a title only search on the wiki, with the integrated search
function. So, never mind :)
>
> -Jeff
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