Date: Mon, 10 Sep 2012 22:35:54 +0400 From: Andrey Zonov <zont@FreeBSD.org> To: matt <sendtomatt@gmail.com> Cc: Achim Patzner <ap@bnc.net>, freebsd-current@freebsd.org Subject: Re: mfi driver performance Message-ID: <504E330A.4090806@FreeBSD.org> In-Reply-To: <504E200A.5020604@gmail.com> References: <6A0C3360-0A1E-4905-A33E-D6CC590D7A5A@bnc.net> <504E200A.5020604@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --]
On 9/10/12 9:14 PM, matt wrote:
> On 09/10/12 05:38, Achim Patzner wrote:
>> Hi!
>>
>> We’re testing a new Intel S2600GL-based server with their recommended RAID adapter ("Intel(R) Integrated RAID Module RMS25CB080”) which is identified as
>>
>> mfi0: <ThunderBolt> port 0x2000-0x20ff mem 0xd0c60000-0xd0c63fff,0xd0c00000-0xd0c3ffff irq 34 at device 0.0 on pci5
>> mfi0: Using MSI
>> mfi0: Megaraid SAS driver Ver 4.23
>> mfi0: MaxCmd = 3f0 MaxSgl = 46 state = b75003f0
>>
>> or
>>
>> mfi0@pci0:5:0:0: class=0x010400 card=0x35138086 chip=0x005b1000 rev=0x03 hdr=0x00
>> vendor = 'LSI Logic / Symbios Logic'
>> device = 'MegaRAID SAS 2208 [Thunderbolt]'
>> class = mass storage
>> subclass = RAID
>>
>> and seems to be doing quite well.
>>
>> As long as it isn’t used…
>>
>> When the system is getting a bit more IO load it is getting close to unusable as soon as there are a few writes (independent of configuration, it is even sucking as a glorified S-ATA controller). Equipping it with an older (unsupported) controller like an SRCSASRB
>> (mfi0@pci0:10:0:0: class=0x010400 card=0x100a8086 chip=0x00601000 rev=0x04 hdr=0x00
>> vendor = 'LSI Logic / Symbios Logic'
>> device = 'MegaRAID SAS 1078'
>> class = mass storage
>> subclass = RAID) solves the problem but won’t make Intel’s support happy.
>>
>> Has anybody similar experiences with the mfi driver? Any good ideas besides running an unsupported configuration?
>>
>>
>> Achim
>>
>> _______________________________________________
>> freebsd-current@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-current
>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
> I just set up an IBM m1015 (aka LSI 9240lite aka Drake Skinny) with mfi.
> Performance was excellent for mfisyspd volumes, as I compared using the
> same hardware but with firmware (2108it.bin) that attaches under mps.
> Bonnie++ results on random disks were very close if not identical
> between mfi and mps. ZFS performance was also identical between a
> mfisysd JBOD volume and a mps "da" raw volume. It was also quite clear
> mfisyspd volumes are true sector-for-sector pass through devices.
>
> However, I could not get smartctl to see an mfisyspd volume (it claimed
> there was no such file...?) and so I flashed the controller back to mps
> for now. A shame, because I really like the mfi driver better, and
> mfiutil worked great (even to flash firmware updates).
>
Have you got /dev/pass* when the controller run under mfi driver? If
so, try to run smartctl on them. If not, add 'device mfip' in your
kernel config file.
--
Andrey Zonov
[-- Attachment #2 --]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG/MacGPG2 v2.0.18 (Darwin)
Comment: GPGTools - http://gpgtools.org
iQEcBAEBAgAGBQJQTjMPAAoJEBWLemxX/CvTtDAIAKaW7tT9Z66AucrYUlRa4ve0
g11EDcRIP2ljhNmJn9kX54t5rj5kCol0+DMGYcwWeKVqqacjwYIdPuwHv7Vs2Di6
UGZp8jDHurb00RU/+IScjB3R93I9PZGhO5CX+rW9ezKFpZLDoV5981VKaGUmL22+
WKdOHoEXJVwabw+fQCnyyuwB26qInJROlwHPRpTRuqELS0tPPoqDrMWnKarhhJhj
1gPRLGwLDibdg/NQxwUeeKI0WxblYzL65yr2L+9SmdqDcQf99KCVnacauvYhVjVi
6EpIIvjvoSXZaDyccVWgb68VLnOPoVywPL7t+XF+ub+ftwxGLvjRUbMabijbQuI=
=X/F/
-----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?504E330A.4090806>