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Date:      Thu, 8 Feb 2007 12:07:03 +0200
From:      "Clayton Milos" <clay@milos.co.za>
To:        "Artem Kuchin" <matrix@itlegion.ru>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: What is a good choice of sata-ii raid controller for freebsd?
Message-ID:  <009401c74b68$e19b45c0$fe03a8c0@claylaptop>
References:  <00ad01c74b65$79db1710$0c00a8c0@Artem> <45CAF3F1.80207@sun-fish.com>

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Hello,

Artem Kuchin wrote:
> Hello!
>
> I need a raid controller for FBSD 6.2 which has the following options
>
> 1) Full SATA-II support
> 2) Good rperfomance (over 50MB read, over 30 write) in mirror mode
> 3) No weird problems with freebSD (like with SRCS16)
> 4) Utility to monitor status of raids (command line or web)
> 5) Utility to rebuild, repair, manager arrays in OS
> 6) Preferably Intel
I'm very happy with ARECA ARC1110.
ARECA also provide cli tool for freebsd on their site.
I'm using it in RAID 10 configuration and here are few benchmark results
that I run on production server ;)

*bonnie++ -d /var/tmp -u root -s 16g -n 256:65536:65536:16 Version 1.93c*

Version 1.93c       ------Sequential Output------ --Sequential Input-
--Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- 
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
/sec %CP
blah.cmotd.com  16G   159  88 54264  24 24727  12   299  94 70744  19
223.5  12
Latency             63581us     803ms    1123ms   93936us   94991us
251ms
Version 1.93c       ------Sequential Create------ --------Random
Create--------
blah.cmotd.com      -Create-- --Read--- -Delete-- -Create-- --Read--- 
-Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
/sec %CP
 256:65536:65536/16   715  24   826  25 17321  49   733  24    51   2
6039  70
Latency              1220ms     408ms    2805ms    1189ms     692ms
2735ms


*./bonnie++ -d /mnt/mblogs -u root -s 16g -n 256:65536:65536:16 -
Version  1.03*

Version  1.03       ------Sequential Output------ --Sequential Input-
--Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- 
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
/sec %CP
blah.cmotd.com  16G 54953  57 56950  21 24375  10 48757  49 70351  17
202.5   1
                    ------Sequential Create------ --------Random
Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read--- 
-Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
/sec %CP
 256:65536:65536/16   723  20   909  17 20905  41   756  21    51   2
6528  74

FreeBSD blah.XXX 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #3: Tue Oct 10
13:28:56 CEST 2006     root@blah.XXX:/usr/obj/usr/src/sys/CORE-SMP  i386
>
> I know, 3ware has such good stuff, but those controller are not
> certified for internet services in here (russia). So, i am pretty much
> limited to Intel controllers. Is there intel controller which satisfied 
> all the
> 1-6  conditions? I only need mirroring.
>
> -- 
> С уважением,
> Артем Кучин
> ООО "Ай  Ти Легион"
> www.itlegion.ru
> +7 (495) 232-0338


I'll second Stefan with the Areca. I have an Areca 1120 8 port SATA2 
controller.
It hasn't given me an ounce of issues. It's got a nice CLI and web based 
interface as well as being SNMP manageable.
Been running mine for 2 years without any issues at all. It also supports 
nifty things like online volume expansion and hot-swapping (if you have the 
hot-swap SATA drive bays)

-Clay





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