On 06/15/2011 03:46 PM, Les Mikesell wrote: > I've seen vmware disk emulation -> LVM -> partitions run very, very > slowly. Didn't diagnose it beyond thinking "if it hurts, don't do it", > though. And I don't remember if it was a sparse disk or not, but it > probably was. Could have been an issue in the way the growing drive > space is allocated on the physical side. Any disk layout that doesn't align filesystem blocks with actual disk blocks is going to perform very badly.