Been trying for days to get a software RAID 0+1 setup. This is on SuSe 9.2 with kernel 2.6.8-24.11-smp x86_64. I am trying to setup a RAID 0+1 with 4 250gb SATA drives. I do the following: mdadm --create /dev/md1 --level=0 --chunk=4 --raid-devices=2 /dev/sdb1 /dev/sdc1 mdadm --create /dev/md2 --level=0 --chunk=4 --raid-devices=2 /dev/sdd1 /dev/sde1 mdadm --create /dev/md0 --level=1 --chunk=4 --raid-devices=2 /dev/md1 /dev/md2 This all works fine and I can mkreiserfs /dev/md0 and mount it. If I am then to reboot /dev/md1 and /dev/md2 will show up in the /proc/mdstat but not /dev/md0. So I create a /etc/mdadm.conf like so to see if this will work: DEVICE partitions DEVICE /dev/md* ARRAY /dev/md2 level=raid0 num-devices=2 UUID=5e6efe7d:6f5de80b:82ef7843:148cd518 devices=/dev/sdd1,/dev/sde1 ARRAY /dev/md1 level=raid0 num-devices=2 UUID=e81e74f9:1cf84f87:7747c1c9:b3f08a81 devices=/dev/sdb1,/dev/sdc1 ARRAY /dev/md0 level=raid1 num-devices=2 devices=/dev/md2,/dev/md1 Everything seems ok after boot. But again no /dev/md0 in /proc/mdstat. But then if I do a mdadm --assemble --scan it will then load /dev/md0. Also do I need to create partitions? Or can I setup the whole drives as the array? I have since upgraded to mdadm 1.8 and setup a RAID10. However I need something that is production worthy. Is a RAID10 something I could rely on as well? Also under a RAID10 how do you tell it which drives you want mirrored? Any help appreciated. Thank you, Brad Dameron SeaTab Software www.seatab.com - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
