Comment 3 for bug 1844363

I have tried the image: 20191120T023000Z, but cannot reproduce the issue.
@Wendy, can you varify it with latest image?

$ system host-disk-list compute-0
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+
| uuid | device_node | device_num | device_type | size_gib | available_gib | rpm | serial_id | device_path |
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+
| cb52cb30-fd73-4ec3-b852-7cde53794cb5 | /dev/sda | 2048 | HDD | 200.0 | 100.976 | Undetermined | QM00005 | /dev/disk/by-path/pci-0000:00:03.0-ata-1.0 |
| cd28624c-a15a-4b4a-9fa4-f65056d08667 | /dev/sdb | 2064 | HDD | 30.0 | 29.997 | Undetermined | QM00007 | /dev/disk/by-path/pci-0000:00:03.0-ata-2.0 |

$ system host-disk-partition-list compute-0
+--------------------------------------+--------------------------------------------------+-------------+--------------------------------------+---------------------+----------+--------+
| uuid | device_path | device_node | type_guid | type_name | size_gib | status |
+--------------------------------------+--------------------------------------------------+-------------+--------------------------------------+---------------------+----------+--------+
| abdd328d-a1ee-44de-91e1-08c28f93f1fe | /dev/disk/by-path/pci-0000:00:03.0-ata-1.0-part5 | /dev/sda5 | ba5eba11-0000-1111-2222-000000000001 | LVM Physical Volume | 10.0 | In-Use |
| 45316577-2aa3-4e61-8184-2144e3178265 | /dev/disk/by-path/pci-0000:00:03.0-ata-2.0-part1 | /dev/sdb1 | ba5eba11-0000-1111-2222-000000000001 | LVM Physical Volume | 10.0 | Ready |
+--------------------------------------+--------------------------------------------------+-------------+--------------------------------------+---------------------+----------+--------+

# After create partition 10G, the sdb available size decrease into 19.997 GB.
[sysadmin@controller-0 ~(keystone_admin)]$ system host-disk-list compute-0
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+
| uuid | device_node | device_num | device_type | size_gib | available_gib | rpm | serial_id | device_path |
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+
| cb52cb30-fd73-4ec3-b852-7cde53794cb5 | /dev/sda | 2048 | HDD | 200.0 | 100.976 | Undetermined | QM00005 | /dev/disk/by-path/pci-0000:00:03.0-ata-1.0 |
| cd28624c-a15a-4b4a-9fa4-f65056d08667 | /dev/sdb | 2064 | HDD | 30.0 | 19.997 | Undetermined | QM00007 | /dev/disk/by-path/pci-0000:00:03.0-ata-2.0 |
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+

$ system host-disk-wipe compute-0 cd28624c-a15a-4b4a-9fa4-f65056d08667
WARNING: This operation is irreversible and all data on the specified disk will be lost.
Continue [yes/N]: yes
None

# After wipe, the available gib return to 29.997 GB.
$ system host-disk-list compute-0
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+
| uuid | device_node | device_num | device_type | size_gib | available_gib | rpm | serial_id | device_path |
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+
| cb52cb30-fd73-4ec3-b852-7cde53794cb5 | /dev/sda | 2048 | HDD | 200.0 | 100.976 | Undetermined | QM00005 | /dev/disk/by-path/pci-0000:00:03.0-ata-1.0 |
| cd28624c-a15a-4b4a-9fa4-f65056d08667 | /dev/sdb | 2064 | HDD | 30.0 | 29.997 | Undetermined | QM00007 | /dev/disk/by-path/pci-0000:00:03.0-ata-2.0 |
+--------------------------------------+-------------+------------+-------------+----------+---------------+--------------+-----------+--------------------------------------------+

# After wipe, the partition in sdb is gone.
$ system host-disk-partition-list compute-0
+--------------------------------------+--------------------------------------------------+-------------+--------------------------------------+---------------------+----------+--------+
| uuid | device_path | device_node | type_guid | type_name | size_gib | status |
+--------------------------------------+--------------------------------------------------+-------------+--------------------------------------+---------------------+----------+--------+
| abdd328d-a1ee-44de-91e1-08c28f93f1fe | /dev/disk/by-path/pci-0000:00:03.0-ata-1.0-part5 | /dev/sda5 | ba5eba11-0000-1111-2222-000000000001 | LVM Physical Volume | 10.0 | In-Use |
+--------------------------------------+--------------------------------------------------+-------------+--------------------------------------+---------------------+----------+--------+