[Systeme] Create a logical volume for ora2pg

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