lvresize
$ uname -osrv Linux 2.6.31-17-server #54-Ubuntu SMP Thu Dec 10 18:06:56 UTC 2009 GNU/Linux $ sudo lvm lvm> lvresize -L +30G /dev/lvg1/lvm3 Extending logical volume lvm3 to 50.00 GB Logical volume lvm3 successfully resized lvm> quit $ sudo resize2fs -p /dev/lvg1/lvm3 resize2fs 1.41.9 (22-Aug-2009) Please run 'e2fsck -f /dev/lvg1/lvm3' first. $ sudo e2fsck -f /dev/lvg1/lvm3 e2fsck 1.41.9 (22-Aug-2009) Pass 1: Checking iノードs, blocks, and sizes Pass 2: Checking ディレクトリ structure Pass 3: Checking ディレクトリ connectivity Pass 4: Checking reference counts Pass 5: Checking グループ summary information /dev/lvg1/lvm3: 19/1310720 files (5.3% non-contiguous), 1935889/5242880 blocks $ sudo resize2fs -p /dev/lvg1/lvm3 resize2fs 1.41.9 (22-Aug-2009) Resizing the filesystem on /dev/lvg1/lvm3 to 13107200 (4k) blocks. Begin pass 1 (max = 240) Extending the inode table XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX The filesystem on /dev/lvg1/lvm3 is now 13107200 blocks long.