Working with software RAID

see also:

• Gentoo Howto on RAID
• growing ext3 partition on RAID1 without rebooting
• LVM

TODO

TODO

Copying the partition table from working HDD to new one

 sfdisk -d /dev/sda > /tmp/partions
 sfdisk --force /dev/sdb < /tmp/partions 

Adding partitions back to raid

 mdadm -add /dev/md0 /dev/sdb1
 mdadm -add /dev/md1 /dev/sdb2
 mdadm -add /dev/md2 /dev/sdb3
 mdadm -add /dev/md3 /dev/sdb4

 blockdev --rereadpt /dev/device

see also: Very detailed instalation of fedora4, GRUB Splash Image Howto

 [root@fedora4 ~]# grub
 
     GNU GRUB  version 0.95  (640K lower / 3072K upper memory)
 
  [ Minimal BASH-like line editing is supported.  For the first word, TAB 
    lists possible command completions.  Anywhere else TAB lists the possible
    completions of a device/filename.]

 grub> root (hd0,0)
  Filesystem type is ext2fs, partition type 0xfd
 
 grub> setup (hd0)
  Checking if "/boot/grub/stage1" exists... yes
  Checking if "/boot/grub/stage2" exists... yes
  Checking if "/boot/grub/e2fs_stage1_5" exists... yes
  Running "embed /boot/grub/e2fs_stage1_5 (hd0)"...  15 sectors are embedded.
 succeeded
  Running "install /boot/grub/stage1 (hd0) (hd0)1+15 p (hd0,0)/boot/grub/stage2
 /boot/grub/grub.conf"... succeeded
 Done.
 
 grub> root (hd1,0)
  Filesystem type is ext2fs, partition type 0xfd
 
 grub> setup (hd1)
  Checking if "/boot/grub/stage1" exists... yes
  Checking if "/boot/grub/stage2" exists... yes
  Checking if "/boot/grub/e2fs_stage1_5" exists... yes
  Running "embed /boot/grub/e2fs_stage1_5 (hd1)"...  15 sectors are embedded.
 succeeded
 Running "install /boot/grub/stage1 (hd1) (hd1)1+15 p (hd1,0)/boot/grub/stage2
 /boot/grub/grub.conf"... succeeded
Done.
 
grub> quit