[Apologies this doesn't thread properly, but I didn't get the messages from the list covering the time my mail server was down - the reason was I had forgotten to allocate swap space in my new configuration - so I have had to reply to the message by copy and pasting from an archive] On 2006-08-25 13:36:14, Scott Reese wrote: ... >You don't mention which version of Debian you're using - the raid tools >have varied a lot between the last few releases - but assuming Sarge:
Actually this machine is Debian unstable, my server is Debian Etch (which I have to do next). > > > The configuration is stored in /etc/mdadm/mdadm.conf and looks like: > > DEVICE partitions > ARRAY /dev/md3 level=raid1 num-devices=2 > UUID=62297b2a:13d5cbb3:b889437a:6095a0d0 > devices=/dev/sda6,/dev/sdb6 > ARRAY /dev/md2 level=raid1 num-devices=2 > UUID=27192fb9:88d9191f:bbbf6c42:8656233f > devices=/dev/sda5,/dev/sdb5 > ARRAY /dev/md1 level=raid1 num-devices=2 > UUID=b483771d:b60355eb:afe973c0:92db52e2 > devices=/dev/sda2,/dev/sdb2 > ARRAY /dev/md0 level=raid1 num-devices=2 > UUID=aa772038:8b2a1989:339b0f8f:f93b96b5 > devices=/dev/sda1,/dev/sdb1 But I guess the installer wrote this into your mdadm.conf file From Miles Fidelman >- I found the guidance at >http://www.planamente.ch/emidio/pages/linux_howto_root_lvm_raid.php >to be very helpful Indeed, in there it says you need to do cd /etc/mdadm echo 'DEVICE /dev/hd*[0-9] /dev/sd*[0-9]' > mdadm.conf mdadm --detail --scan >> mdadm.conf particularly the last line of that - which writes the data into /etc/mdadm/mdadm.conf By doing that it seems to work An intersting aside - I was just experimenting with booting the rescue CD (www.rescuecd.org) from a usb stick, and I could see its bootup sequence clearly running in a 1024 framebuffer. In there it scanned for md superblocks and said mine were invalid. My mdadm.conf file came (preconfigured) with # auto-create devices with Debian standard permissions and v1 superblocks CREATE owner=root group=disk mode=0660 auto=yes metadata=1 So I wonder if that is why they are not being found mdadm without explicitly being told -- Alan Chandler http://www.chandlerfamily.org.uk
