[root@ovm ~]# fdisk -l

Disk /dev/sda: 53.7 GB, 53687091200 bytes

255 heads, 63 sectors/track, 6527 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x000de73c

Device Boot Start End Blocks Id System

/dev/sda1 * 1 26 204800 83 Linux

Partition 1 does not end on cylinder boundary.

/dev/sda2 26 281 2048000 82 Linux swap / Solaris

Partition 2 does not end on cylinder boundary.

/dev/sda3 281 6528 50174976 8e Linux LVM

Disk /dev/sdb: 21.5 GB, 21474836480 bytes

255 heads, 63 sectors/track, 2610 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

Disk /dev/mapper/vg_ovm-LogVol00: 51.4 GB, 51376029696 bytes

255 heads, 63 sectors/track, 6246 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

[root@ovm ~]# pvcreate /dev/sdb

Writing physical volume data to disk "/dev/sdb"

Physical volume "/dev/sdb" successfully created

[root@ovm ~]# vgextend -h

vgextend: Add physical volumes to a volume group

vgextend

[-A|--autobackup y|n]

[--restoremissing]

[-d|--debug]

[-f|--force]

[-h|--help]

[-t|--test]

[-v|--verbose]

[--version]

[ PHYSICAL DEVICE OPTIONS ]

VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...]

[root@ovm ~]# vgextend vg_ovm /dev/sdb

Volume group "vg_ovm" successfully extended

[root@ovm ~]# lvextend -h

lvextend: Add space to a logical volume

lvextend

[-A|--autobackup y|n]

[--alloc AllocationPolicy]

[-d|--debug]

[-f|--force]

[-h|--help]

[-i|--stripes Stripes [-I|--stripesize StripeSize]]

{-l|--extents [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}] |

-L|--size [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]}

[-m|--mirrors Mirrors]

[--nosync]

[--use-policies]

[-n|--nofsck]

[--noudevsync]

[-r|--resizefs]

[-t|--test]

[--type VolumeType]

[-v|--verbose]

[--version]

LogicalVolume[Path] [ PhysicalVolumePath... ]

[root@ovm ~]# df -Th

Filesystem Type Size Used Avail Use% Mounted on

/dev/mapper/vg_ovm-LogVol00

ext4 48G 9.5G 36G 22% /

tmpfs tmpfs 812M 260K 812M 1% /dev/shm

/dev/sda1 ext4 194M 50M 135M 27% /boot

/dev/sr0 iso9660 2.5G 2.5G 0 100% /media/OVMManagerInstaller3.2.2_b520

[root@ovm ~]# lvscan

ACTIVE '/dev/vg_ovm/LogVol00' [47.85 GiB] inherit

[root@ovm ~]# lvextend -L +20G /dev/vg_ovm/LogVol00

Extending logical volume LogVol00 to 67.85 GiB

Insufficient free space: 5120 extents needed, but only 5119 available

[root@ovm ~]# lvextend -L +19G /dev/vg_ovm/LogVol00

Extending logical volume LogVol00 to 66.85 GiB

Logical volume LogVol00 successfully resized

[root@ovm ~]# lvscan

ACTIVE '/dev/vg_ovm/LogVol00' [66.85 GiB] inherit

[root@ovm ~]# df -Th

Filesystem Type Size Used Avail Use% Mounted on

/dev/mapper/vg_ovm-LogVol00

ext4 48G 9.5G 36G 22% /

tmpfs tmpfs 812M 260K 812M 1% /dev/shm

/dev/sda1 ext4 194M 50M 135M 27% /boot

/dev/sr0 iso9660 2.5G 2.5G 0 100% /media/OVMManagerInstaller3.2.2_b520

[root@ovm ~]# resize2fs /dev/vg_ovm/LogVol00

resize2fs 1.41.12 (17-May-2010)

Filesystem at /dev/vg_ovm/LogVol00 is mounted on /; on-line resizing required

old desc_blocks = 3, new_desc_blocks = 5

Performing an on-line resize of /dev/vg_ovm/LogVol00 to 17523712 (4k) blocks.

The filesystem on /dev/vg_ovm/LogVol00 is now 17523712 blocks long.

[root@ovm ~]# df -Th

Filesystem Type Size Used Avail Use% Mounted on

/dev/mapper/vg_ovm-LogVol00

ext4 66G 9.5G 54G 16% /

tmpfs tmpfs 812M 260K 812M 1% /dev/shm

/dev/sda1 ext4 194M 50M 135M 27% /boot

/dev/sr0 iso9660 2.5G 2.5G 0 100% /media/OVMManagerInstaller3.2.2_b520

[root@ovm ~]#

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