[root@sd /]# nano /boot/grub/grub.conf # menu.lst generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You do not have a /boot partition. This means that # all kernel and initrd paths are relative to /, eg. # root (hd1,0) # kernel /boot/vmlinuz-version ro root=/dev/md0 # initrd /boot/initrd-version.img #boot=/dev/md0 default=0 timeout=3 title Vine Linux (Current kernel) root (hd0,0) kernel /boot/vmlinuz ro root=/dev/md0 resume=swap:/dev/sda2 vga=0x314 splash=silent initrd /boot/initrd.img title Vine Linux (Previous kernel) root (hd0,0) kernel /boot/vmlinuz.old ro root=/dev/md0 resume=swap:/dev/sda2 vga=0x314 splash=silent initrd /boot/initrd.old.img title Vine Linux (Current kernel) root (hd1,0) kernel /boot/vmlinuz ro root=/dev/md0 resume=swap:/dev/sdb2 vga=0x314 splash=silent initrd /boot/initrd.img title Vine Linux (Previous kernel) root (hd1,0) kernel /boot/vmlinuz.old ro root=/dev/md0 resume=swap:/dev/sdb2 vga=0x314 splash=silent initrd /boot/initrd.old.img Ctrl + x@ @y [root@sd /]# reboot [root@sd ~]# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 sda1[1] 7350592 blocks [2/1] [_U] unused devices: [root@sd ~]# reboot [root@sd ~]# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 sda1[0] 7350592 blocks [2/1] [U_] unused devices: [root@sd ~]# reboot [root@sd ~]# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 sdb1[0] 7350592 blocks [2/1] [U_] unused devices: [root@sd ~]# mdadm /dev/md0 --add /dev/sda1 mdadm: re-added /dev/sda1 [root@sd ~]# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 sda1[2] sdb1[0] 7350592 blocks [2/1] [U_] [>....................] recovery = 4.0% (301376/7350592) finish=12.4min speed=9418K/sec unused devices: [root@sd ~]# lsusb Bus 001 Device 003: ID 0781:b7b1 SanDisk Corp. Bus 001 Device 002: ID 0781:b7b1 SanDisk Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub