[CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

Wed May 25 18:59:47 UTC 2016
John R Pierce <pierce at hogranch.com>

On 5/25/2016 11:44 AM, Kelly Lesperance wrote:
> The HBA is an HP H220.

for the uninitated, thats a LSI SAS2308, in IT (initiator-terminator) mode.

john r pierce, recycling bits in santa cruz