[CentOS] Raid Cards

Thu Jun 8 18:19:59 UTC 2006
Johnny Hughes <mailing-lists at hughesjr.com>

On Thu, 2006-06-08 at 14:15 -0400, Drew Weaver wrote:
> 	Software RAID has failed us so many times in the past that I
> would never recommend it to anyone. Things like: the raid breaking for
> no reason and the server continually rebuilding over and over, and once
> a drive does finally die the other drive wasn't being mirrored properly
> (or wouldn't boot even though we manually sync'd the bootloaders as
> suggested.).
> 
> 	It has been nothing but a hassle, so if you need reliable data
> you need to find a card that works for you, I'm not sure why people are
> so ready to suggest software raid when the fact is its pretty
> unreliable.
> 
> -Drew
> 

Was that a CentOS-4 install (or even a 2.6 kernel)?

> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Lazy
> Sent: Thursday, June 08, 2006 2:09 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] Raid Cards
> 
> 2006/6/6, Feizhou <feizhou at graffiti.net>:
> 
> > Forget this proprietary software raid drivers. Just use the kernel
> > software raid capabilities. There has yet to appear a company that
> > manufactures bios on a chip raid cards that provide adequate or even
> > minimal linux driver support.
> > > (please don't tell me that 3ware is the only make to use, tw_cli is
> not
> > > exactly user friendly).
> > If you don't like hardware raid then there is nothing else for you.
> Check out areca. The driver is in tree (writen by areca). And it looks
> like they are actively supporting linux.
> 
> There was some nice performance comparison betwean linux compatible
> sata raid cards and areca performed really well. If my memory serves
> me well it was significantly faster then 3ware.
> Can't find the url now :(. So i have no arguments to support it now.
> But certainly areca it's worth a try.
> 
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