kjb007
Immortal
Immortal

ESX itself does not do much IO to the disk.  It is logging, but other than that, the I/O profile of ESX itself would not require high IO capable disk.  What makes a difference is how much IO your virtual machines will be doing.  For that, ESX is very close if not exactly at the requirement your server would have for a physical environment.  So, the idea is to build your disk to support your server, not ESX specifically.  Treat the workload as if it were physical, determine how much IO you need, and then build from that.  I have not personally had the need for high IO in my general environment, and would therefor opt for more disk than more speed. In that case, I would go with RAID5.

-KjB

vExpert/VCP/VCAP vmwise.com / @vmwise -KjB
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