Extend Lvsize by adding new Hard disk

 

Extend Lvsize by adding new Hard disk

Extend VG Size by Adding new Hard disk /dev/hdc

Create New hard disk drive and convert it int lvm

# fdisk -l

# fdisk /dev/sdc

p

n

Enter

Enter

t

8e

w

Extend pv size

# fdisk -l

# lvmdiskscan

…skip…
/dev/sdc1 [ 100.00 GB]
…skip…

# pvcreate /dev/sdc1

Physical volume “/dev/sdc1″ successfully created

Extend vgsize

# vgdisplay

--- Volume group ---

VG Name amco

System ID

Format lvm2

…skip…

# vgextend vgname_whatever /dev/sdc1

Volume group “VolGroup01″ successfully extended

Extend For each Lv size

# lvextend -L +2G /dev/vgname/lvname

Extending logical volume LogVol00 to 2 GB
Logical volume LogVol00 successfully resized

OPTIONAL

Extend the logical volume to use the full size of the volume group:

# lvm lvextend -l +100%FREE /dev/VolGroup01/LogVol00

Extending logical volume LogVol00 to 449.99 GB
Logical volume LogVol00 successfully resized

resize the partition for the OS to recognize the new size

# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/sda2 155G 569M 146G 1% /

/dev/sda1 99M 9.0M 85M 10% /boot

tmpfs 95M 0 95M 0% /dev/shm

/dev/mapper/amco-g 2.0G 36M 1.9G 2% /mnt/amco/g

/dev/mapper/amco-h 2.0G 36M 1.9G 2% /mnt/amco/h

/dev/mapper/amco-j 20G 173M 19G 1% /mnt/amco/j

/dev/mapper/amco-k 20G 173M 19G 1% /mnt/amco/k

/dev/mapper/amco-l 21G 394M 19G 3% /mnt/amco/l

# resize2fs -p /dev/mapper/volgroupname-logvolname