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Description of problem:

From cockpit UI:

 Virtual Machines -> Storage Pools -> Storage Volumes.


Version-Release number of selected component (if applicable):

kernel-4.18.0-64.el8.x86_64
cockpit-system-184-1.el8.noarch

How reproducible:

100%


Actual results:

No option to create new virtual disks inside a storage pool

Expected results:

A `New / Create` option to create a new virtual disk 

Additional info:

Feature implemented:

https://github.com/cockpit-project/cockpit/pull/12589/commits/64c9752b24c847f39cec9d99a9d99d610211fb58

commit c0e7cc0f7f65c9aa1ee0f0a49561fcc466a6eb19
Author: Simon Kobyda <skobyda>
Date:   Fri Aug 16 15:12:43 2019 +0200

    machines: Add option to add storage volume into pool
    
    Closes #12589

Verified with packages:
cockpit-machines-208-1.el8.noarch
libvirt-dbus-1.2.0-3.module+el8.1.0+4066+0f1aadab.x86_64

Steps:
1. Prepare a Dir storage pool	
2. Click "Storage Pools", unfold the new created storage pool and enter the "Storage Volumes" tab, then click "Create Volume"	
3. Enter the content of Name and Size, keep Format as default(qcow2), click "Create"	
The disk can be created successfully.
4. Prepare a VM and try to attach the new created disk to the vm	
The disk can be used as virtual disk for the VM.
5. Check the new created disk , click "Delete volume" 	
The new created disk can be deleted successfully.
6. Repeat step 2-5 with "raw" format disk.

So verified.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:1639