persefone# e2fsadm -L 50M /dev/vg1/test1 
e2fsadm -- correcting size 50 MB to physical extent boundary 52 MB
e2fsck 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/vg1/test1: 11/10240 files (0.0% non-contiguous), 1310/40960 blocks
lvextend -- extending logical volume "/dev/vg1/test1" to 52 MB
lvextend -- doing automatic backup of volume group "vg1"
lvextend -- logical volume "/dev/vg1/test1" successfully extended

resize2fs 1.19 (13-Jul-2000)
Begin pass 1 (max = 2)
Extending the inode table     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Begin pass 3 (max = 5)
Scanning inode table          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
The filesystem on /dev/vg1/test1 is now 53248 blocks long.

e2fsadm -- ext2fs in logical volume "/dev/vg1/test1" successfully extended to 52 MB