pci-e hardware raid controller

[Net Llama!]

With the exception of Intel's RAID controllers, I'm not aware of any 
onboard RAID controllers which both work in Linux and are true HW RAID 
(versus SW RAID).

On Wed, 6 Jun 2007, Steve Jardine wrote:
> Try 3ware. Here is one product they offer:
>
> http://www.3ware.com/products/serial_ata2-9590.asp
>
> I *still* think an on board RAID solution will be better, but it really does depend on the application...
>
> BTW, they claim it has Linux support:
>
> "Microsoft? Windows? 2003/XP/2000, Red Hat Linux, SuSE Linux, Fedora Linux, 2.4 Linux kernel, 2.6 Linux kernel, FreeBSD, 32/64-bit support For complete OS listing, Go to: www.3ware.com/support/OS-Support.asp"
>
> Steve
>
> On Tue, 5 Jun 2007 14:50:48 -0500 (EST)
> Net Llama! <netllama at linux-sxs.org> wrote:
>
>> On Tue, 5 Jun 2007, Vu Pham wrote:
>>> On Tue, 2007-06-05 at 10:06 -0500, C M Reinehr wrote:
>>>> On Tuesday 05 June 2007 08:50, Vu Pham wrote:
>>>>> I am looking for a sata pci-e *hardware* raid controller for Linux
>>>>> ( Suse 10.2 ). I mean the one that the Linux OS can see the whole raid
>>>>> system as one physical drive.
>>>>>
>>>>> This one will be use as a raid-0 with 4 SATA drives.
>>>>>
>>>>> Any recommendation ?
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Vu
>>>>
>>>> Generally, when someone asks for help with a problem or information on a
>>>> product, I dislike receiving replies suggesting a different product. But, now
>>>> I'm going to do it. Why would you want to spend money to buy and additional
>>>> single point of failure, when you could accomplish the same thing for free
>>>> with LVM2 (logical volume management)?
>>>>
>>>> (Sorry, but I just couldn't help myself.)
>>>>
>>>
>>> No problem, all advice ( and critics ) are welcome :)
>>>
>>> There are two reasons:
>>>
>>> 1. this is a test system for coding and I would like to have the highest
>>> disk access performance as much as possible, and I think the hardware
>>> raid is faster than software raid. Or is the gain so small to afford a
>>> hardware raid ?
>>
>> SW RAID is generally as fast as the controller its sitting on.  You
>> shouldn't assume that HW RAID is faster than SW RAID.  Also, most people
>> looking to use RAID solutions aren't doing it for better performance.
>>
>> --
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> Lonni J Friedman                        netllama at linux-sxs.org
>> LlamaLand				http://netllama.linux-sxs.org
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>
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-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J Friedman                        netllama at linux-sxs.org
LlamaLand				http://netllama.linux-sxs.org