I'm trying to mirror my two disks in my system (F12 x86_64)...
I have the following disk partitions
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/md127 7692840 508960 6793104 7% /
tmpfs 1016196 260 1015936 1% /dev/shm
/dev/md1 380760 44094 316993 13% /boot
/dev/sda6 7684844 3956688 3337780 55% /usr
/dev/md5 7692776 418204 6883800 6% /var
/dev/md7 934037448 388908936 497682148 44% /home
I am trying to get /dev/sda6 and /dev/sdb6 to become a RAID-1 volume...
I have created /dev/md6 as a degraded array and copied everything from
/dev/sda6 to /dev/md6 in single user mode (actually booted from the
recovery CD) and after mounting both partitions ran "find . -depth |
cpio --passthrough --reset-access-time --make-directories
--preserve-modification-time /mnt2" (/dev/md6 was mounted on /mnt2).
The copy took a few minutes and completed successfully.
I then modified my /etc/fstab to read (only showing physical disks) (I
commented the old UUID and added the new UUID)
UUID=abcf3490-11d2-4641-bf47-c33d1614066d / ext4 defaults 1 1
UUID=e28d03fe-50ec-4313-a281-f1abecd4ed10 /boot ext4 defaults 1 2
# following is /dev/sda6
#UUID=3b891301-1b89-447b-81e3-4ddc5c835b3f /usr ext4 defaults 1 2
# following is /dev/md6
UUID=e0eb5abe-1765-48f7-923f-da8295b54313 /usr ext4 defaults 1 2
UUID=e35b19c3-b303-49fc-87d4-0712ac3de571 /var ext4 defaults 1 2
UUID=6f6600c4-5577-4617-b312-649fc2e2706a swap swap defaults 0 0
UUID=93cc01f6-98e7-445b-bdc4-37356588e957 /home ext4 defaults 0 0
My mdadm.conf file reads -
MAILADDR root
ARRAY /dev/md1 level=raid1 num-devices=2
UUID=1c0ba7ba:5b4e8354:14c0bbc3:de3ed72e
ARRAY /dev/md127 level=raid1 num-devices=2
UUID=1bcb5496:c7d158e6:14c0bbc3:de3ed72e
ARRAY /dev/md3 level=raid1 num-devices=2
UUID=1cea36b2:9f1a3ab8:14c0bbc3:de3ed72e
ARRAY /dev/md5 level=raid1 num-devices=2
UUID=ab27f39f:f0e972c9:14c0bbc3:de3ed72e
ARRAY /dev/md7 level=raid1 num-devices=2
UUID=398fe67f:959048ba:14c0bbc3:de3ed72e
ARRAY /dev/md6 level=raid1 num-devices=2
UUID=9b98d1c6:73b621e1:14c0bbc3:de3ed72e
The entries for the disks in /dev/disk/by-uuid -
lrwxrwxrwx 1 root root 10 2009-12-13 15:44
3b891301-1b89-447b-81e3-4ddc5c835b3f -> ../../sda6
lrwxrwxrwx 1 root root 9 2009-12-13 15:44
e0eb5abe-1765-48f7-923f-da8295b54313 -> ../../md6
I copied the initramfs-2.6.31.6-166.fc12.x86_64.img file to another
directory and decompressed and extracted it and the only reference I
found in there to the raid disks was in etc/mdadm.conf which was
identical what is in /etc/mdadm.conf
I can mount /dev/md6 manually (as something other than /usr) with no issues
I think I'm missing something pretty simple, another set of eyes would
be appreciated
TIA, Jeff
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