Newly added LUNs are not visible in `fdisk` command output

Issue

• Newly added vmdk disk device not visible on host
• We have added(online) 200GB new vmdk disk to host. After scaning the host,it is not creating the block device file under /dev. We can see the new device details under /sys/block

# pwd
/sys/block/sdf

# ls -l
total 0
-r--r--r-- 1 root root 4096 Jan 28 23:43 dev
lrwxrwxrwx 1 root root    0 Jan 28 23:43 device -> ../../devices/pci0000:00/0000:00:10.0/host0/target0:0:5/0:0:5:0
drwxr-xr-x 2 root root    0 Jan 28 23:43 holders
drwxr-xr-x 3 root root    0 Jan 28 23:43 queue
-r--r--r-- 1 root root 4096 Jan 28 23:43 range
-r--r--r-- 1 root root 4096 Jan 28 23:43 removable
-r--r--r-- 1 root root 4096 Jan 28 23:43 size
drwxr-xr-x 2 root root    0 Jan 28 23:43 slaves
-r--r--r-- 1 root root 4096 Jan 28 23:43 stat
lrwxrwxrwx 1 root root    0 Jan 28 23:43 subsystem -> ../../block
--w------- 1 root root 4096 Jan 28 23:43 uevent

Please help to make visible this newly added vmdk device without host reboot.