Riak on SAN

Guy Morton Guy.Morton at bksv.com
Wed Oct 2 03:26:20 EDT 2013


Thanks, that's what I figured.
--
Guy Morton
Web Development Manager
Brüel & Kjær EMS

________________________________
From: Jeremiah Peschka [jeremiah.peschka at gmail.com]
Sent: Wednesday, 2 October 2013 4:18 PM
To: Guy Morton
Cc: riak-users
Subject: Re: Riak on SAN


Could you do it? Sure.

Should you do it? No.

An advantage of Riak is that you can avoid the cost of SAN storage by getting duplication at the machine level rather than rely on your storage vendor to provide it.

Running Riak on a SAN also exposes you to the SAN becoming your bottleneck; you only have so many fiber/iSCSI ports and a fixed number of disks. The risk of storage contention is high, too, so you can run into latency issues that are difficult to diagnose without looking into both Riak as well as the storage system.

Keeping cost in mind, too, SAN storage is about 10x the cost of consumer grade SSDs. Not to mention feature licensing and support... The cost comparison isn't favorable.

Please note: Even though your vendor calls it a SAN, that doesn't mean it's a SAN.

On Oct 1, 2013 11:08 PM, "Guy Morton" <Guy.Morton at bksv.com<mailto:Guy.Morton at bksv.com>> wrote:
Does this make sense?

--
Guy Morton
Web Development Manager
Brüel & Kjær EMS

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