[CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2
Kelly Lesperance
klesperance at blackberry.com
Wed May 25 19:20:34 UTC 2016
I installed the latest firmware and driver (mpt2sas) from HP on one system. The driver is v20, it appears the firmware may be 15, though:
[ 11.128979] mpt2sas version 20.100.00.00 loaded
[ 11.513836] mpt2sas0: LSISAS2308: FWVersion(15.10.09.00), ChipRevision(0x05), BiosVersion(07.39.00.00)
On 2016-05-25, 3:01 PM, "centos-bounces at centos.org on behalf of John R Pierce" <centos-bounces at centos.org on behalf of pierce at hogranch.com> wrote:
>On 5/25/2016 11:44 AM, Kelly Lesperance wrote:
>> The HBA is an HP H220.
>
>
>OH. its a very good idea to verify the driver is at the same revision
>level as the firmware. not 100% sure how you do this under CentOS, my
>H220 system is running FreeBSD, and is at revision P20, both firmware
>and driver. HP's firmware, at least what I could find, was a fairly
>old P14 or something, so I had to re-flash mine with 'generic' LSI
>firmware, this isn't exactly a recommended thing to do, but its sure
>working fine for me.
>
>
>
>
>--
>john r pierce, recycling bits in santa cruz
>
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