also sprach Lior Chen <li...@lirtex.com> [2009.06.23.0810 +0200]: > With kernels newer than 2.6.26-2 (I have tried both 2.6.29-2 and 2.6.30-1) > mdadm fails to assemble raid array on boot: > > Assembling all MD arrays... md: md0 stopped > mdadm: no devices found for /dev/md0 > Failure: failed to assemble all arrays.
Please look at http://wiki.debian.org/InitramfsDebug#Savingdebuginformation and try to provide as much information as you can about what happens between the boot loader and the initramfs prompt. > mdadm --create /dev/md0 --level=0 --raid-devices=2 /dev/sda2 /dev/sdb2 > or > mdadm -A /dev/md0 /dev/sda2 /dev/sdb2 > > it fails saying that /dev/sda2 and /dev/sdb2 are busy (mdadm: Cannot open > /dev/sda2: Device or resource busy). It seems like som device mapper thing is getting in the way: > in the initramfs shell: > ls -l /dev/mapper : > control > isw_cjhfigcfig_LCRAID > isw_cjhfigcfig_LCRAID1 > isw_cjhfigcfig_LCRAID2 I have no idea what that is, but a sneaking suspicion that isw_cjhfigcfig_LCRAID2 is /dev/sd[ab]2. Try to disable that. -- .''`. martin f. krafft <madd...@d.o> Related projects: : :' : proud Debian developer http://debiansystem.info `. `'` http://people.debian.org/~madduck http://vcs-pkg.org `- Debian - when you have better things to do than fixing systems
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