Scenario: We have a 2TB LUN thin provisioned on an Equallogic group. This is is used for a VMFS5 datastore on an ESXi 5.1 cluster. We were getting warnings from the SANs LUN is over our warning threshold. However, VMWare was reporting nowhere near that limit. Using the UNMAP facility available in ESXi 5.0u1 + we are Read More…