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

[m.roth at 5-cent.us]

Kelly Lesperance wrote:
> Already done – they’re not being very helpful, as we don’t have a support
> contract, just standard warranty.
>
Right. We get support for five years, but then we keep things well past
that, we don't get rid of them till they're dying. (Don't talk to me about
"wasting tax dollars")

And I don't care for HP "support", they don't want to give you *anything*
unless you're paying for support. The only ones worse are
       a) none of the above, and
       b) Sun/Oracle (I refer to dealing with their "tech support" as
self-abuse)

          mark

> On 2016-05-25, 4:27 PM, "centos-bounces at centos.org on behalf of
> m.roth at 5-cent.us" <centos-bounces at centos.org on behalf of
> m.roth at 5-cent.us> wrote:
>
>>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 15.10.09.00-IT.
>>> HP Driver is v 15.10.04.00.
>>>
>>> Both are the latest from HP.
>>>
>>> Unsure why, but the module itself reports version 20.100.00.00:
>>>
>>> [root at r1k1 sys] # cat module/mpt2sas/version
>>> 20.100.00.00
>>
>>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.
>>
>>     mark
>>
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