MDADM error: Help creating a RAID 1 RAM disk
I am trying to create a Raid 1 ram disk. Below are the commands I used:
[root@abidbodal dev]# mke2fs -m 0 /dev/ram8
[root@abidbodal dev]# mount /dev/ram8 /mnt/rd8
[root@abidbodal dev]# mke2fs -m 0 /dev/ram9
[root@abidbodal dev]# mount /dev/ram9 /mnt/rd9
[root@abidbodal abidbodal]# mount /dev/ram8 /mnt/rd8
[root@abidbodal abidbodal]# mount /dev/ram9 /mnt/rd9
[root@abidbodal md0]# mdadm --create /dev/md0 --chunk=4 --level=1 --raid-devices=2 /dev/ram8 /dev/ram9
mdadm: device /dev/ram8 not suitable for any style of array
Above is the error I got. I don't understand what the error is saying. I tried Googling it, but that didn't help much. Oh, and I'm running Fedora 12.
Oh, I did check if the RAM was mounted, and it was.
[root@abidbodal md0]# mount | grep ram*
/dev/ram1 on /mnt/rd1 type ext2 (rw)
/dev/ram2 on /mnt/rd2 type ext2 (rw)
/dev/ram3 on /mnt/rd3 type ext2 (rw)
/dev/ram4 on /mnt/rd4 type ext2 (rw)
/dev/ram5 on /mnt/rd5 type ext2 (rw)
/dev/ram6 on /mnt/rd6 type ext2 (rw)
/dev/ram7 on /mnt/rd7 type ext2 (rw)
/dev/ram8 on /mnt/rd8 type ext2 (rw)
/dev/ram9 on /mnt/rd9 type ext2 (rw)
/dev/ram10 on /mnt/rd10 type ext2 (rw)
/dev/ram11 on /mnt/rd11 type ext2 (rw)
/dev/ram12 on /mnt/rd12 type ext2 (rw)
Thanks,
Abid.
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