Arch Linux

tier

Member

Registered: 2006-09-29

Posts: 13

Arch 0.8 doesn't create device /dev/md0 for my software RAID 0 array

I have a software RAID-0 array created a year ago with mdadm in other distribution, which I used to mount manually by command:
mount /dev/md0 /mnt/data
I did nothing to create device /dev/md0 in my previous distro Slackware 11 - it exists just after installation and I simply mount it.

But after installation of arch there was no /dev/md0 device though I have mdadm package installed. I can see only single discs wich are the parts of my raid array: /dev/sdb1 and /dev/sdd1.

Why is it so and how can I get my raid device visible?
Thnx.

dmartins

Member

Registered: 2006-09-23

Posts: 360

Re: Arch 0.8 doesn't create device /dev/md0 for my software RAID 0 array

I have never used RAID before, but my guess would be you need to load the module 'md-mod'?
If that works, you can add md-mod to your list of modules in /etc/rc.conf

Last edited by dmartins (2007-04-20 13:02:10)

tier

Member

Registered: 2006-09-29

Posts: 13

Re: Arch 0.8 doesn't create device /dev/md0 for my software RAID 0 array

No. Unfortunately it doesn't work. There is still no /dev/md0 device after md-mod module loading.

tpowa

Developer

From: Lauingen , Germany

Registered: 2004-04-05

Posts: 2,331

Re: Arch 0.8 doesn't create device /dev/md0 for my software RAID 0 array

look at mkinitcpio wiki there everything is explained how to handle md devices during early userspace

tier

Member

Registered: 2006-09-29

Posts: 13

Re: Arch 0.8 doesn't create device /dev/md0 for my software RAID 0 array

look at mkinitcpio wiki there everything is explained how to handle md devices during early userspace

Exactly. It's OK now. thnx