Pushing Virtual Limits

ESX3.5 does more than 100,000 IOPS when powered by EMC CX3-80s
May 23, 2008, 1:00 pm
Filed under: VM, vmware

An excerpt from Virtualization.info’s summation-

VMware just published a very interesting study about how many I/O Operations per Second (IOPS) an ESX 3.5 Update 1 can perform.

To perform the measurement they used a unnamed server with 4 Intel quad-core CPUs and 32GB RAM, plus 2 dual-port QLogic 4GB HBAs and 2 single-port QLogic 4GB HBAs.
The backend storage was made of 3 EMC-CLARiiON CX3-80 (a Fibre Channel SAN) with a remarkable number of 165 disks, serving more than 4TB data.

After fine tuning the system with the following three settings, the IOMeter test returned a result of over 100,000 IOPS:

Read the article here at virtualization

Click through the first link to go directly to VMware’s performance blog to get all the details.


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