How to add disk to create LVM under Linux

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Shell > fdisk / dev/xvdb # Select disk

Command (m for help): M # help

Command action

A toggle a bootable flag

B edit bsd disklabel

C toggle the dos compatibility flag

D delete a partition

L list known partition types

M print this menu

N add a new partition

O create a new empty DOS partition table

P print the partition table

Q quit without saving changes

S create a new empty Sun disklabel

T change a partition's system id

U change display/entry units

V verify the partition table

W write table to disk and exit

X extra functionality (experts only)

Command (m for help): n # create a new partition

Command action

E extended

P primary partition (1-4)

P # create a primary partition

Partition number (1-4): 1 # partition ID

First cylinder (1-65270, default 1):

Using default value 1

Last cylinder, + cylinders or + size {KMagne Mpeng} (1-65270, default 65270):

Using default value 65270

Command (m for help): t # modify partition type

Command (m for help): 8e # Linux lvm

Command (m for help): W # Save changes

Shell > pvcreate / dev/xvdb1/ # create a new pv volume

Shell > pvs # View pv volumes

Shell > vgcreate VolGroup01 / dev/xvdb1/ # create a new vg volume

Shell > vgs # View vg volumes

Shell > lvcreate-L 50G-n lvmServer VolGroup01 # create logical volume-L specify partition size-n specify lvm name

Shell > mkfs.ext4 / dev/VolGroup01/lvmServer # use the mkfs.ext4 command to create an ext4 file system on the logical volume lvmServer

Shell > mount / dev/VolGroup01/lvmServer / server/ # hang from partition to local directory / server

Shell > vi / etc/fstab # modify fstab boot auto mount

#

# / etc/fstab

# Created by anaconda on Thu Aug 14 21:16:42 2014

#

# Accessible filesystems, by reference, are maintained under'/ dev/disk'

# See man pages fstab (5), findfs (8), mount (8) and/or blkid (8) for more info

#

UUID=94e4e384-0ace-437f-bc96-057dd64f42ee / ext4 defaults,barrier=0 1 1

Tmpfs / dev/shm tmpfs defaults 0 0

Devpts / dev/pts devpts gid=5,mode=620 0 0

Sysfs / sys sysfs defaults 0 0

Proc / proc proc defaults 0 0

/ dev/VolGroup01/lvmServer / server ext4 defaults 0 0

: wq

# Save restart test

Note:

* fstab must fill in the path correctly. If there is an error, it may not start normally.

* you can mount it on rc.local using the mount command

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