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

Wed May 25 20:27:55 UTC 2016
m.roth at 5-cent.us <m.roth at 5-cent.us>

Kelly Lesperance wrote:
> LSI/Avago’s web pages don’t have any downloads for the SAS2308, so I think
> I’m out of luck wrt MegaRAID.
> Bounced the node, confirmed MPT Firmware
> HP Driver is v
> Both are the latest from HP.
> Unsure why, but the module itself reports version
> [root at r1k1 sys] # cat module/mpt2sas/version

Suggestion: if these are new, they're under warranty, and it's a hardware
issue. Call HP tech support and open a ticket with them - they might have
an answer.