Re: RAID5 config / boot problem
On Wed, 1 Feb 2006 james.barton@blueyonder.co.uk wrote:
> e2fsck 1.37 (21-Mar-2005)
> fsck.ext3: Invalid argument while trying to open /dev/md0
> /dev/md0:
not good ..
- is the partition type set to "FD" and the boot flag ( a ) turned on
- i assume you have the raid modules in your initrd for the
kernel you're booting
> /etc/mdadm/mdadm.conf contains:
> DEVICE partitions
> ARRAY /dev/md0 level=raid5 num-devices=4
> UUID=ebdfaedf:59e64777:d81d8f6e:8d6b0392
> devices=/dev/sda1,/dev/sdb1,/dev/sdc1,/dev/sdd1
sometimes, some distro, bootloaders cannot boot from raid5
- you are guaranteed to be able to boot anything from raid1
- for raid stuff, always use grub from cvs checkout and/or
lilo from the primary lilo ftp site
( /boot on raid1 which is one of the few times oyu need
a different explicit /boot partitions in todays PCs )
c ya
alvin
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