On 01/24/2014 06:58 PM, Matt wrote: > I installed Centos 6.x 64 bit with the minimal ISO and used two disks > in RAID 1 array. > > Filesystem Size Used Avail Use% Mounted on > /dev/md2 97G 918M 91G 1% / > tmpfs 16G 0 16G 0% /dev/shm > /dev/md1 485M 54M 407M 12% /boot > /dev/md3 3.4T 198M 3.2T 1% /vz for quite some time (since 5.x era) i use http://wiki.centos.org/HowTos/Install_On_Partitionable_RAID1 (with 6.x i don't even need the patch to mkinitrd) the mbr or whatever it is is written in /dev/md_d0 .. and thats it in bios you put both hdd to boot and if the first have a problem the second will boot, mail you that you have a degraded raid and start resync after you replaced the drive. (and you can do it live) HTH, Adrian