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dsstao
Contributor
Contributor
‎01-28-2014 07:10 AM

Unmanaged I/O Workload Detected - 3Par Adaptive Optimization?

Hi All,

I'm receiving several of these per minute in vSphere:

"An unmanaged I/O workload is detected on a SIOC-enabled datastore: XXXXXXXXXXXXX".

We only have a single datastore per LUN, and confirmed nothing else is generating I/O to those LUNs.  Is it possible that Adaptive Optimization on our 3Par is doing this?

Thanks,
DS

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2 Replies
f10
Expert
Expert
‎01-28-2014 07:29 AM

Hi,

Do you have non-ESXi hosts connected to this array or any backup jobs running?

Not sure if you have already looked at this VMware KB VMware KB: Unmanaged I/O workload detected on shared datastore running Storage I/O Control (SIOC) fo...

-f10

Regards, Arun Pandey VCP 3,4,5 | VCAP-DCA | NCDA | HPUX-CSA | http://highoncloud.blogspot.in/ If you found this or other information useful, please consider awarding points for "Correct" or "Helpful".
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dsstao
Contributor
Contributor
‎01-28-2014 08:00 AM

Nope, nothing else accessing it.  I confirmed this down to the device ID level.  I am trying to find out what is causing the unmanaged I/O, thus the thought of AO.

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