[CentOS] CentOS-6 Status updates

[Gordon Messmer]

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.