I'm getting 415-430 MB/s with a Raid 10 SATA-III with 6 disks with 
mdadm.  RHEL 6.5, on a AMD FX-6 core.

It is a dedicated ISCSI server that serves 6 kvm hypervisors their 
shared VM storage.




On 02/27/2014 12:51 PM, John Frisk wrote:
> Try the LSI hardware RAID cards. Yes they are expensive but that is
> hardware RAID. I personally use the 9266-8i series cards for my servers.
> With 6 disk SATA-III RAID 10 ( 1+0 ) I can get about 350 MB/s
> throughput. Zoom. :)
>
> On Feb 27, 2014 12:46 PM, "Carl Wilhelm Soderstrom"
> <chrome at real-time.com <mailto:chrome at real-time.com>> wrote:
>
>     I find myself clueless about the state of hardware again.
>
>     It used to be that I recommended 3ware RAID controllers because:
>
>     1. they had good Linux drivers built into the kernel
>     2. they were reliable
>     3. they had a really good management tool suite under Linux
>
>     However, it looks like 3ware has abandoned the low-end RAID market
>     and the
>     cheapest controller of theirs which I find on Newegg is ~$440. Gone
>     are the
>     days of $120 2-port controllers for desktop use.
>
>     Does anyone have a recommendation for a hardware RAID controller to
>     mirror
>     drives for a desktop Linux box?
>
>     I really don't want to go back to the days of software RAID.
>
>     --
>     Carl Soderstrom
>     Systems Administrator
>     Real-Time Enterprises
>     www.real-time.com <http://www.real-time.com>
>     _______________________________________________
>     TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
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>     http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>
>
>
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