vSphere 5.5 nuggets: changes to disk.terminateVMOnPDLDefault

Those who were in the vSphere 5.5 beta program might have noticed it but I am suspecting many did not. With vSphere 5.5 there is finally an advanced setting to enable Disk.terminateVMOnPDLDefault. This advanced setting was introduced with vSphere 5.0 and unfortunately needed to be enabled in a file … [Read more...]

Change in Permanent Device Loss (PDL) behavior for vSphere 5.1 and up?

Yesterday someone asked me a question on twitter about a whitepaper by EMC on stretched clusters and Permanent Device Loss (PDL) behavior. For those who don’t know what a PDL is, make sure to read this article first.  This EMC whitepaper states the following on page 40: Note: In a full WAN partition that includes … [Read more...]