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From David McNelis <>
Subject Running cassandra on a Blades + SAN
Date Thu, 11 Aug 2011 15:56:13 GMT
Hey folks,

I was wondering if anyone has a cassandra cluster running on a server setup
using blades, with a SAN appliance as the data file storage medium.

I would expect that there would be performance  let-downs  if the SAN was
connected with anything other than a fiber channel, but are there other
drawbacks?  Imagine a system with something along the lines of 12 600G 10k
SAS drives in a single SAN, with a bunch of dual proc, quad core blades as
the hosts.  I would think that we'd have the commitlog live on the blade's
internal drives would allow us to write data with sufficient throughput.

Anyone have any thoughts on a Blade v. Rackable solution for spinning up a
cassandra cluster?

*David McNelis*
Lead Software Engineer
Agentis Energy
o: 630.359.6395
c: 219.384.5143

*A Smart Grid technology company focused on helping consumers of energy
control an often under-managed resource.*

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