Can anyone please provide a pros/cons list based off of personal experience as to why one would or wouldn't enable Storage I/O control in vsphere 6.0?

vsphere 6.0 Storage I/O Control

Can anyone please provide a pros/cons list based off of personal experience?

I've built a whitebox SAN using MPIO and I have the ability to enable this.  

Thanks!

Chris
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Chris HInfrastructure ManagerAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Best Practice is to enabled Storage I/O if you have the feature available.

Disadvantage, it never used to be available, only available in Enterprise etc

It can be a PITA, when enabled to Disable on a LUN! and dismount... e.g. LUN removal!

Disadvantages

1. Not enabled by default
2. Per Datastore enabled
3. a particular metric value needs to be reached before it's applied
4. default latency threshold of approx 30ms
5. averages latench across all hosts
6. disk shares assigned ti I/O slot


Basically use it, if you have it.... lots of LUNs, Hosts, VMs etc
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Chris HInfrastructure ManagerAuthor Commented:
Thanks!
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