Arch Linux

Lasering

Member

From: Portugal

Registered: 2009-10-20

Posts: 8

fakeRAID0 Partition

I have two SATA 500GB drives, currently in RAID0.

My computer already has windows on it and some partitions are already made. I have a partition with about 56GB (I pretend to increase the size of it, as I get more used to Arch.). This partition is pure free space, that it there no filesystem "on it".

I've been following this wiki to install arch but without sucess.

dmraid finds my raid partitions, but when I try to partition the 56GB partition, cfdisk says can only acess the partition in read-only mode. In other words I can't make the partitions I want. (Following the wiki I cant get passed the part that says Create the proper partitions the normal way, because cfdisk either gives and error or says in only in read-only mode.)

What do you think is the problem?

fukawi2

Ex-Administratorino

From: .vic.au

Registered: 2007-09-28

Posts: 6,231

Website

Re: fakeRAID0 Partition

How is the RAID setup? Using your motherboard's BIOS? What is the device name you are trying to partition?

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Lasering

Member

From: Portugal

Registered: 2009-10-20

Posts: 8

Re: fakeRAID0 Partition

Yes I'm using motherboard BIOS (A Asus M3A78T-Deluxe). The device name is pdc_... (I'm currently not at home so I can't tell you the full name.)

fukawi2

Ex-Administratorino

From: .vic.au

Registered: 2007-09-28

Posts: 6,231

Website

Re: fakeRAID0 Partition

I've always has suspicious support for motherboard RAID with Linux... This may be one of those suspicious moments. Sorry I can't offer any more insight...

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BlueHackers // fscanary // resticctl

Lasering

Member

From: Portugal

Registered: 2009-10-20

Posts: 8

Re: fakeRAID0 Partition

I had a dualboot with ubuntu on this same computer using dmraid, so its possible. I must be doing something wrong.

Lasering

Member

From: Portugal

Registered: 2009-10-20

Posts: 8

Re: fakeRAID0 Partition

No ideias? I really wasn't aiming to install ubuntu again.

digivampire

Member

From: Irvine, CA

Registered: 2008-10-21

Posts: 8

Website

Re: fakeRAID0 Partition

Try installing Arch form an older installer 2009.2 or 2008.6 even. If that doesn't work for you, then you might have to use gparted to prepare the partitions. Get a live ubuntu CD and run gparted set up the partitions you want and continue installing arch after that...

Lasering

Member

From: Portugal

Registered: 2009-10-20

Posts: 8

Re: fakeRAID0 Partition

Thks digivampire. I created a USB live Gparted and was able to partition the RAID.

Then I continue the instalation until I coudn't "Add your_chipset_module_driver to MODULES line in mkinitcpio.conf", I tried sata_pdc, pdc, pdc_cchfabhhdgp and sata_pdc_cchfabhhdgp but none of them worked. I was able to add dmraid to the HOOKS line. But failed to install Grub. Any suggestions?

TigTex

Member

From: Portugal

Registered: 2008-06-19

Posts: 301

Re: fakeRAID0 Partition

I also have fakeraid, but with intel ICH9m

I do modprobe dm_mod
dmraid -ay

cfdisk /dev/mapper/"the hdd here"

I make the partitions and run the setup normaly

Grub fails to install with 2009.08, use 2009.02 to install GRUB, the rest do it with 2009.08.

In mkinitcpio.conf add

MODULES: dm_mod
Hooks: dmraid

It should work

Last edited by TigTex (2009-10-24 17:13:38)

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Lasering

Member

From: Portugal

Registered: 2009-10-20

Posts: 8

Re: fakeRAID0 Partition

I can't find 2009.02 to download.

fukawi2

Ex-Administratorino

From: .vic.au

Registered: 2007-09-28

Posts: 6,231

Website

Re: fakeRAID0 Partition

http://mirror.internode.on.net/pub/arch … o/2009.02/

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