Extended LUN size is not reflected in Guest VM (DomU)

(Doc ID 2371574.1)

Last updated on MARCH 14, 2018

Applies to:

Oracle VM - Version 3.4.1 and later
Information in this document applies to any platform.

Symptoms

Example (taken from an Oracle VM Server):

multipath -ll

360002ac00000000000000036000030b1 dm-74 3PARdata,VV
size=900G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw <--- WRONG SIZE!
'-+- policy='round-robin 0' prio=130 status=active
|- 1:0:0:39 sdao 66:128 active ready running
|- 1:0:1:39 sdcd 69:16 active ready running
|- 2:0:0:39 sdds 71:160 active ready running
'- 2:0:1:39 sdfh 130:48 active ready running


fdisk -l

Disk /dev/sdao: 1503.2 GB, 1503238553600 bytes
Disk /dev/sdcd: 1503.2 GB, 1503238553600 bytes
Disk /dev/sdds: 1503.2 GB, 1503238553600 bytes
Disk /dev/sdfh: 1503.2 GB, 1503238553600 bytes

lsblk

sdao 66:128 0 1.4T 0 disk
sdcd 69:16 0 1.4T 0 disk
sdds 71:160 0 1.4T 0 disk
sdfh 130:48 0 1.4T 0 disk

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms