[frgeek-michiana] Re: Highpoint Rocket Raid Controller
- From: Mike Neuliep <mike@xxxxxxxxxxx>
- To: frgeek-michiana@xxxxxxxxxxxxx
- Date: Fri, 1 Apr 2005 15:31:56 -0600 (CST)
Promise IDE raid controller under linux = slow FYI
I built about four boxes like this and I won't do so again. If I'm doing
IDE raid and I need something of a reasonable speed I'll use a 3ware IDE
raid controller. Just my two cents.
Why is Promise slow? Because it does it's mirroring in software and then
does TWO separate writes. It also tends to only read from a single disk
too, it doesn't have much intelligences for T/S/H positioning when it
-knows- what is coming up for reading from both disks. Think of it as the
WIN-modem of IDE raid controllers -- ie it has no real functional firmware
of its own, it only does what the software driver tells it. 3ware by
contrast does a lot of neato stuff in the hardware.
Mike
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On Fri, 1 Apr 2005, Richard Zimmerman wrote:
> I did a quick search. Debian does NOT work Natively with the Highpoint
> controller but HP provides source code for Linux.
>
> HOWEVER, it is said in many places where I looked that are not "True" raid
> controllers.
>
> They DO say, forget the Highpoint controller and just use either the onboard
> IDE interfaces w/ software RAID *OR* get a Promise card if you really want
> sedo hardware-raid.
>
> I can speak from experience Debian runs fine with a Promise FastTrak TX2
> card?
> It's the mirroring card I gave FGM after the drive problems happened while
> trying to get Phoenix going. It's only a ATA-100 card but works well.
>
> FWIW,
>
> Goose
>
>
> Jay Schlatter wrote:
> > Anyone ever use a Highpoint Rocket Raid Controller? Looks like they have
> > Redhat and Open Source Linux drivers.
> >
> > (http://www.highpoint-tech.com/)
> >
> > Supports Linux kernel version 2.2.x to 2.6.x on x86 and x86_64 platform.
> >
> >
> >
> > Just curious.
> >
> >
> >
> > O. Jay Schlatter
> > Technology Director
> > Goodwill Industries of Michiana, Inc. <http://www.goodwill-ni.org/>
> > (574) 472-7383
> >
> >
> >
>
> --
> Richard "Goose" Zimmerman
> Safety Assistant / IT Guru
> K&B Transport, Inc. - Elkhart, IN
> (574) 389-1986 (574) 389-8527 Fax
> (800) 548-2718 (574) 850-5764 Cell
>
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