On Tue, 2009-10-27 at 12:23 -0400, Carlos Williams wrote: > On Tue, Oct 27, 2009 at 8:27 AM, Xavier <shiningxc@xxxxxxxxx> wrote: > > If you want to be constructive, create a wiki page only about raid, if > > there isn't already one. > > > > And you have to figure out which strange modifications are needed and > > why, try finding the real problem, and report it on the bug tracker. > > I guess I will just explain what I am doing in detail. If anyone can > please take some time and review my steps in accordance to what you > know to be successful, please let me know. I am so badly trying to get > this working on Arch. > > 1. Boot from the 2009.08 Netinst / Live CD > > 2. Login as root (no password) in the live environment > > 3. Add the required modules for RAID by running the following commands: > - modprobe raid0 > - modprobe raid1 > - modprobe raid5 > > 4. I run the 'cfdisk' utility to partition my two identical drives for > RAID1 use: > - cfdisk /dev/sda > *sda1 = boot --- Primary --- Linux --- 2048 (MB) > *sda2 = root --- Primary --- Linux --- 40960 (MB) > *sda3 = raid --- Primary --- Linux raid --- 102400 (MB) > > *sdb1 = swap --- Primary --- Linux swap --- 2048 (MB) > *sdb2 = /etc --- Primary --- Linux --- 40960 (MB) > *sdb3 = raid --- Primary ---- Linux raid --- 102400 (MB) > > 5. I then run the command to build my RAID mirror for /dev/sda3 & > /dev/sdb3 which will be used for /home. > mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 > /dev/sda3 /dev/sdb3 > > 6. On the Arch Wiki page I skip the entire section under "Setup LVM > and Create the / (root) LVM Volume" since I don't want LVM, just RAID. > > 7. On the Arch Wiki page I skip the entire "OPTIONAL" section under > "Create and Mount the Filesystems" since the installer wont let you > skiip this section even if you already did it via command line ahead > of time. It looks like this must be done via /arch/setup. > > 8. I run the following command in the command line of the Live CD: > rm /etc/mdadm.conf > mdadm –D –-scan >> /etc/mdadm.conf > > 9. Verify the step I did in # 8 above: > cat /etc/mdadm.conf > ARRAY /dev/md0 level=raid1 num-devices=2 metadata=0.90 > UUID=6beb1da7:823eed3e:42odcjij > > 10. Type /arch/setup to launch the main installer. > > 11. From the installer menu run the option 1 = Select Source = net > > 12. Setup Network > > 13. Choose Mirror > > 14. Set up the clock > > 15. Prepare Hard Drive(s) menu I skip the Manually partition hard > drives section since I already did this in 'cfdisk' above and select > option #3 for "Manually Configure block devices / filesystems & > mountpoints. > > - /dev/sda1 = ext3 mounted on /boot > - /dev/sda2 = ext3 mounted on / > > - /dev/sdb1 = swap > - /dev/sdb2 = ext3 mount on /etc > > - /dev/md0 = ext3 mounted /home > > 16. Install packages - I install all base group packages and nothing > more except 'openssh-server * sudo'. > > 17. Configure System: > > - I edit the rc.conf file to have my "hostname" and nothing else. I > leave LVM=no as it is by default. > - I edit the mkinitcpio.conf and add 'mdadm' on the "HOOKS" line > before "filesystems" as noted in the Wiki. > - Check /etc/resolv.conf > - Check /etc/hosts file for correct info > - Root-Password - change root password for new system > - Select "Done / Return to Main Menu" > > 18. Do I skip "Install Bootloader" from Main Menu installer? The Wiki > shows directions to do this manually however my / and /boot partitions > are not on RAID, just my /home partition. Do I need to follow the > method the Wiki suggests for Grub install manually -vs- automated > install on /dev/sda? > > Please let me know what you think! I believe you need to add md-mod and raid1 to your rc.conf modules line. I would suggest using the installer to configure grub since /boot and / are not on raid partitions.
