Create a logical volume of 450 Go
volume group : vg_apps
logical volume : lv_ora2pgmig
FS : /dev/mapper/vg_apps-lv_ora2pgmig
Mounted on : /apps/ora2pg/migration
lvcreate -L 450G -n lv_ora2pgmig vg_apps
mkfs.ext4 /dev/mapper/vg_apps-lv_ora2pgmig
mkdir -p /apps/ora2pg/migration
mount /dev/mapper/vg_apps-lv_ora2pgmig /apps/ora2pg/migration