mkfs -t ext4 /dev/vgall/opt
cp -r -R /opt/* /temp-opt
mount -t ext4 /dev/vgall/opt /temp-opt

#this is volume-opt
UUID=b3d302be-68f6-4804-abb1-ab806326b5a4   /opt    ext4    defaults    0   2

# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda7 during installation
UUID=54458154-6f44-44c9-be44-f91d093d63e6 /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sda2 during installation
UUID=E467-1A3B  /boot/efi       vfat    defaults        0       1
# swap was on /dev/sda6 during installation
UUID=74a0518b-2eed-404a-aaa1-a302dbf9f18c none            swap    sw              0       0
/dev/sdb3    /media/mynewdrive   ext4    defaults     0        2
(rw,nosuid,nodev,uhelper=hal,shortname=mixed,uid=1000,utf8,umask=077,flush)

# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda7 during installation
UUID=54458154-6f44-44c9-be44-f91d093d63e6 /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sda2 during installation
UUID=E467-1A3B  /boot/efi       vfat    defaults        0       1
# swap was on /dev/sda6 during installation
UUID=74a0518b-2eed-404a-aaa1-a302dbf9f18c none            swap    sw              0       0
#/dev/vgall/tmp     /tmp        ext4    defaults    0 2
#this is volume-opt
UUID=b3d302be-68f6-4804-abb1-ab806326b5a4   /opt    ext4    defaults    0   2
#/dev/mapper/vgall-var
#UUID=35d84c0b-d29b-4677-bc0f-26ef945d1ebf  /var    ext4    defaults    0   1
#/dev/mapper/vgall-usr
#UUID=e67910d0-09c9-4249-ba20-c4e471b30e63  /usr    ext4    defaults    0   2
#/dev/vgall/home
#UUID=5d610ba0-5ed4-4d08-99dd-946fed50ddd0  /home   ext4    defaults    0   2