Friday 11 September 2009

Linux : add additonal disk as a logical volume

# Add new disk as a logical volume

# Create partition
fdisk -l

fdisk /dev/sdb
n-1-rtn-rtn

# Create a physical volume
pvcreate /dev/sdb1
pvdisplay

# Create a virtual group VolGroup01
vgcreate VolGroup01 /dev/sdb1

# Get PE size from vgdisplay
vgdisplay
 Total PE              4094


# Create a logical volume
lvcreate -n vol01 -l 4094 VolGroup01
lvdisplay

mkfs.ext3 /dev/VolGroup01/vol01

# Add to fstab
vi /etc/fstab
/dev/VolGroup01/vol01    /u01         ext3    defaults        0 0

mount /u01


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