Re: MegaRAID 3008/3108

[David Brownlee <abs%absd.org@localhost>]

On 4 June 2015 at 08:03, Frank Kardel <kardel%netbsd.org@localhost> wrote:
> On 06/03/15 20:27, Christos Zoulas wrote:
>>
>> In article <20150603111042.4fad14b2@taliesin-2.local>,
>> Harry Waddell  <waddell%caravaninfotech.com@localhost> wrote:
>>>
>>> On Tue, 2 Jun 2015 16:13:07 +0100 (BST)
>>> Stephen Borrill <netbsd%precedence.co.uk@localhost> wrote:
>>>
>>>> Anyone working on adding support for SYMBIOS MEGARAID 3108
>>>> (0x1000/0x005d)
>>>> or 3008 (0x1000/0x005f)? These are supported in OpenBSD by the mfii
>>>> driver
>>>> which also supports the MEGARAID 2208 (0x1000/0x005b). In NetBSD, the
>>>> mfi(4) driver was extended to support the 2208 (Thunderbolt) rather than
>>>> adding a new driver. The 3008/3108 will require another MFI_IOP type
>>>> (OpenBSD call it 25).
>>>>
>>>> --
>>>> Stephen
>>>>
>>> I have a system with this on the motherboard, but I'm dropping an lsi
>>> 9261-i8 in
>>> because the newer cards are not supported. My vendor has told me that
>>> the 9261 is near EOL,
>>> so it would be really helpful if someone could add support for the newer
>>> LSI
>>> cards. Unfortunately, I don't have much experience in this area.
>>
>> Shouldn't be too hard to do... As long someone has a card to test...
>>
>> christos
>
> One of our customer systems (Dell PowerEdge R730) has this card. I got it to
> work by adding the pciids to the driver and crudely adjusting the
> thunderbolt support to use EOM markers, remove the setting of a flag. I/O
> seemed to be working (installation was ok and the system was running fine.
> Issues left were: Absysmal I/O performance on SSDs (no non SSDs were
> available) in the range of 5 - 40 Mb/sec averaging around 20 Mb/sec.
> Checking other OS delivered: FreeBSD 10 - 5 MB/sec, OpenBSD 420 Mb/sec
> slowly decreasing. Linux SuSe 13.2 - 525-490 MB/sec. So due to time
> constraints and a customer machine we went for the fastest. Patches
> (mis-using the MFI_IOP type for thunderbolt) have been postedalready.
> OpenBSD seems to have an additional change in the way i/o commands are
> handled.

Would it help to get a card or machine into the hands of someone with
time to work on the driver? Maybe something like
http://www.ebay.co.uk/itm/251453703470 ?

I'm happy to throw something into the pot :)