I have created a raid-5 array with 4 1TB external firewire drives attached to a pci card on Fedora 13 box. The OS (/, /boot, /home, swap) are all on the interal hd. I only want to use a RAID-5 to store data, not use it for the OS. This box is supposed to be simple fileserver so I only want the redundancy of the data. I created it once and formatted it to ext4 and was able to mount it. I created the mdadm.conf file and edited the /etc/fstab file. Whenever I reboot the raid never comes up. Instead I get a /dev/md127 being created which holds one or more of the drives. I stop the array
mdadm --stop /dev/md127
Start again mdadm --assemble /dev/md0 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1
and it always removes 1 drive (ex. /dev/sde1).
I add it manually and it still fails the drive (the drive was working fine before as a standalone external).
anyway I can mount it and read/write no problem. But Once I reboot the whole cycle as described above.