1. Create the logical volume (devdba) with 2Gb size in volume group appvg.
# lvcreate -n devdba -L 2G appvg
2. Create the filesystem
# mkfs.ext3 /dev/appvg/devdba
3. Modify the fstab
# vi /etc/fstab
add this in /etc/fstab
/dev/appvg/devdba /opt/devdba ext3 defaults 1 2
4. Create the mount point and mount.
# mkdir /opt/devdba ; mount /opt/devdba
5. Modify ownership.
# chown oracle:dba /opt/devdba
myunixsheet 