Tuesday, June 17, 2014

vSphere 5.5 bug with Traffic Shaping causes PSOD

I was recently installing a new vSphere 5.5 installation on IBM PureFlex x240's.

It consisted of 9 blades at one site and 9 at a 2nd location for DR.

These blades have 10gb nics.

As per my normal practice, I configured Traffic Shaping on the vMotion ports on the vDS.

Next morning I had a PSOD!

Ouch.  Updated to latest firmware and patch release of vSphere, but the problem did not go away.

After a call to VMware support, I was directed to this KB article:

Apparently, although 5.1 has been patched, 5.5 hasn't yet (as of this writing - June 17, 2014).

The workaround is to turn off traffic shaping.

Something to watch out for.

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