pci-e hardware raid controller

[Vu Pham]

On Wed, 2007-06-06 at 00:51 +0000, 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"
> 

Thanks, Steve.
NewEgg has a lot of good reviews for the 9650SE model. I will give it a
try.


Vu

> 
> 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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