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Shared storage recommendations for 3xESXi 5.1 host cluster

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Hey all

 

I was hoping for some opinions on the various shared storage options using real world (you guys) performance experience.

 

I have a 3 x ESXi cluster (VMware Standard) and a storage requirement of around 1.6TB (currently), this will likely grow to double that amount and perhaps an additional ESXi physical host will be added later.

 

There are 10 VMs (CPU intensive) running across 3 high spec ESXi hosts, RAM utilisation is only around 40GB and around 2-4k IOPS (burst, not sustained)..

 

I want to consolidate this onto shared storage so I can utilise HA, vMotion, a single shelf to begin with (budget is quite small) but with scalability - add further shelves.

 

My question is for no more than $20k / £13k, what do you guys recommend? I need low latency and able to handle the above IOPs burst.

 

I was looking at the following options:

 

Dell EqualLogic  PS4100X (but when I google that all I seem to come across is performance problems)

 

NetApp FAS2200

 

EMC VNXe3100

 

The storage needs to be accessible by 3 hosts and eventually 4. Switches are no problem for iSCSI but un-fortunately not 10Gbe, only 1GE.

 

Appreciate your comments

 

Thanks


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