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

Wed May 25 20:34:33 UTC 2016
Kelly Lesperance <klesperance at blackberry.com>

I should rephrase that – some parts of HP are helping us, but the team I opened the case with isn’t being very helpful.

On 2016-05-25, 4:29 PM, "Kelly Lesperance" <klesperance at blackberry.com> wrote:

>Already done – they’re not being very helpful, as we don’t have a support contract, just standard warranty.
>
>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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>