I have two Cisco C220 M3 servers running VMware ESXi installed using the ISO file VMware-VMvisor-Installer-5.1.0.update02-1483097.x86_64.iso
The servers are used to host CUCM, Unity Connection, UCCX and a couple of Windows servers.
Both servers are reporting errors similar to that below:
Device naa.600605b008e189b01b689af4132a65b6 performance has deteriorated. I/O latency increased from average value of 263 microseconds to 13460 microseconds.
The servers use local storage only.
Is this message anything to be worried about? - I have seen some suggestions that it is not and is just a cosmetic bug. Others suggest that it could indicate a hardware issue - possibly with the RAID controller.
I have to confess that I used the generic VMware ESXi install disk rather than the custom Cisco ISO so I guess it could be a driver issue.
Any suggestions on how to take this forward?
Aplogies for posting in the voice forum but I thought the post would be more likely to be read by people who deploy UCS C series devices within on-board storage than if I posted in the UCS forum
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