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Date:      Fri, 22 Jan 2021 17:33:58 -0500
From:      Jeanie <jeanie@jeaniez.com>
To:        luporl <luporl@freebsd.org>, Jeanie <jeanie@jeaniez.com>
Cc:        FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>
Subject:   Re: SAS Raid controllers
Message-ID:  <5bdeb808-57b5-e267-4f01-3e54e4250ef1@jeaniez.com>
In-Reply-To: <CAC7XEcLHtMFDfOu=DipG--OCwP34y=CW5qr=7yKjW8A-OEG2xQ@mail.gmail.com>
References:  <fa203424-960f-c72c-367a-e4a101b8feb0@jeaniez.com> <e5775be21458401e5d664ffb25156681@bsdforge.com> <CAOpTx7Hi6REo=FF0uJTzoyoO4-=k_R=4zF%2B_Hj=2X1RJ7TCeAg@mail.gmail.com> <CAC7XEc%2BdzV2OTTn_aG7xp2tCWJrNZU5OYN-6WQRMGjos1f2vUg@mail.gmail.com> <5a2db57c-780c-8ba8-7076-9d044fa55c10@jeaniez.com> <CAC7XEcLHtMFDfOu=DipG--OCwP34y=CW5qr=7yKjW8A-OEG2xQ@mail.gmail.com>

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On 22/01/21 08:54, luporl wrote:
> On Thu, Jan 21, 2021 at 9:10 PM Jeanie <jeanie@jeaniez.com> wrote:
>
>> Hi Leandro,
>>
>> On 20/01/21 07:04, luporl wrote:
>>> On PowerPC64, the onboard Talos II SAS controller works fine too, using
>>> FreeBSD 13 aacraid driver:
>>>
>>> aacraid0: <Adaptec RAID Controller> mem
>>> 0x80000000-0x800fffff,0x80180000-0x801803ff irq 1038328 at device 0.0
>>> numa-domain 0 on pci5
>>> ...
>>> aacraid0: SmartIOC 8i, aacraid driver 3.2.10-1
>>>
>>> - Leandro
>> Sorry for the delay. Someone deleted my emails.
>>
>> You are using a SAS raid with PowerPC!!!!! Was it hard to make work? I
>> am looking at the aacraid driver and it looks like add-on cards are
>> available.
>>
>> Sincerely,
>> Jeanie
>>
>>
> Hi Jeanie,
>
> For me, with a recent FreeBSD 13 kernel, it just works, as the aacraid
> driver is now included with the default PowerPC64 kernel.
> But I'm using it with only one SAS drive, so I haven't tested its raid
> capabilities.
> The only complaint that I have is that, on my machine, disk writes are very
> slow.
>
> - Leandro
> _______________________________________________
Hi Leandro,

That was going to be my next question, what kernel you are using, but 
since you already answered it, I guess that I won't need to ask. I will 
update my source and give compiling a kernel a try.

It is interesting that it is slow on writes. Maybe it is because you 
only have one drive? Have you looked into this any further?

Sincerely,
Jeanie



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