CentOS 6.5, Software RAID1 with 2 x 160GB
As I'm running out of disk space, I want to add a third disk (1TB) that will be used for non-critical data.
How can I add a extra sata disk to the OS without touching the RAID ?
extra info:
Filesystem Size Used Avail Use% Mounted on
/dev/md1 39G 13G 25G 34% /
proc 0 0 0 - /proc
sysfs 0 0 0 - /sys
devpts 0 0 0 - /dev/pts
tmpfs 24G 0 24G 0% /dev/shm
/dev/md2 104G 81G 18G 83% /vz
[root@~]# cat /proc/mdstat
Personalities : [raid1]
md2 : active raid1 sdb3[1] sda3[0]
110143360 blocks super 1.1 [2/2] [UU]
bitmap: 1/1 pages [4KB], 65536KB chunk
md1 : active raid1 sdb2[1] sda2[0]
40959872 blocks super 1.0 [2/2] [UU]
bitmap: 1/1 pages [4KB], 65536KB chunk
md0 : active raid1 sdb1[1] sda1[0]
5115840 blocks super 1.1 [2/2] [UU]
unused devices: <none>