Find new HDD and partition and format
Posted in Unix on July 29th, 2012 by phoenixdigitalList all partitions
cat /proc/partitions
List all lvm partitions
dmsetup ls
pvdisplay
vgdisplay
lvdisplay
Check drives already in use
blkid
or
ls -l /dev/disk/by-uuid/
Find the drive that is not in that list
ls -al /dev/sd*
Create partition
fdisk /dev/sd?
If you are making a primary partition larger than 2TB you will need to follow this method using gparted
http://www.cyberciti.biz/tips/fdisk-unable-to-create-partition-greater-2tb.html
Format
mkfs -t ext4 /dev/sd?1
check for its UUID
blkid
or
ls -l /dev/disk/by-uuid/
and add to /etc/fstab
vi /etc/fstab
UUID=d002359e-307d-41d3-8b15-b234235c55a /your/mount/point ext4 defaults 1 2
Test /etc/fstab
mount -a
Create filesystem
mkfs.ext4 /dev/vg_drive3/lv_drive3
Mounting an old drive hot plugged in
vgchange -a y