EMC Symmetrix DMX device type, COVD: Cache Only Virtual Device

On Twitter this morning we (@chrismevans,  @basraayman,  @davegraham) were discussing device type: COVD (Cache Only Virtual Device) on EMC Symmetrix DMX platform. So here is some information on Cache Only Virtual Devices. I do not have a very clear picture on the overall operation of this device … [Read more...]