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March 16th, 2016 12:00

ESXi 6.0U2 and I/O timeout warning in release notes

I hope the famous Don can answer this question :emotion-2:

VMware just released 6.0 U2 and the known issues contains a warning about I/O timeouts but they don't say which products/vendors are affected. Do you know if EQL products are affected by the issue below

 

New Issue ESXi 6.0 Update 2 hosts connected to certain storage arrays with a particular version of the firmware might see I/O timeouts and subsequent aborts
When ESXi 6.0 Update 2 hosts connected to certain storage arrays with a particular version of the firmware send requests for SMART data to the storage array, and if the array responds with a PDL error, the PDL response behavior in 6.0 update 2 might result in a condition where these failed commands are continuously retried thereby blocking other commands. This error results in widespread I/O timeouts and subsequent aborts.

Also, the ESXi hosts might take a long time to reconnect to the vCenter Server after reboot or the hosts might go into a Not Responding state in the vCenter Server. Storage-related tasks such as HBA rescan might take a very long time to complete.

Workaround: To resolve this issue, see Knowledge Base article 2133286.

72 Posts

March 16th, 2016 12:00

Thanks of the quick response (and good news). Much appreciated

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