SATA RAID problem

RedShift · 2004-07-20 17:48:35

Hello all,

I've got a problem with a system from a friend of mine. He has SATA harddrives set up as RAID 0. The SATA controller chip is an intel, but I can't remember the type.

The problem is, setup won't see the drives as an array. I've booted as arch-scsi tough. When I go to the partition setup, I can partition part1 and part2. :s

morphus · 2004-07-21 06:44:54

let me suggest that this is a hardware raid-system with the intel chip being a sata-raid-controller?

Then you need a driver for this controller in linux, normally they aren't compiled in kernel. Check out the Intel page for any of them...and good luck, since normally intel doesn't have raid-drivers for linux

RedShift · 2004-07-21 06:57:49

Crap, any way to accomplish this?

morphus · 2004-07-21 07:33:01

hm try google with the chip, perhaps there are some guys who program such a driver...

RedShift · 2004-07-21 07:52:59

Even if I get the driver, how do I load it when I start arch-setup?

morphus · 2004-07-21 08:14:19

you have to load it before you start the arch setup, from floppy or anything

taskara · 2004-08-14 00:27:33

the so called "hardware" raid will not work under linux, unless you have certain 2.4.x kernels, and even then, ich5 sata support is not well supported until 2.6 kernels.

does he need raid0 for windows or something?

if so then you might have to go with a 2.4 kernel, and patch a driver for intel sata and raid

if not the best thing to do is remove the raid0 array from the controller's bios, and let it boot with just to hdd's connected - then use linux software raid.

morphus · 2004-08-14 08:18:26

if not the best thing to do is remove the raid0 array from the controller's bios, and let it boot with just to hdd's connected - then use linux software raid.

2 cons:

1. You can't use any other operating system like windows...
2. Software Raid causes more CPU-Load than the hardware one

taskara · 2004-08-14 08:59:39

morphus wrote:

if not the best thing to do is remove the raid0 array from the controller's bios, and let it boot with just to hdd's connected - then use linux software raid.
2 cons:
1. You can't use any other operating system like windows...
2. Software Raid causes more CPU-Load than the hardware one

1. Hence why I said "if he doesn't need windows"
2. I disagree - that controller is not a true hardware controller - it's software driven. I think you would be surprised - I think software raid would outperform it in every area, including cputime.

Arch Linux

#1 2004-07-20 17:48:35

SATA RAID problem

#2 2004-07-21 06:44:54

Re: SATA RAID problem

#3 2004-07-21 06:57:49

Re: SATA RAID problem

#4 2004-07-21 07:33:01

Re: SATA RAID problem

#5 2004-07-21 07:52:59

Re: SATA RAID problem

#6 2004-07-21 08:14:19

Re: SATA RAID problem

#7 2004-08-14 00:27:33

Re: SATA RAID problem

#8 2004-08-14 08:18:26

Re: SATA RAID problem

#9 2004-08-14 08:59:39

Re: SATA RAID problem

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