Also referenced in IBM PowerVM Virtualization Introduction and Configuration SG24-7940:
16.2.3 Virtual optical
A DVD or CD device assigned to the Virtual I/O Server partition can be
virtualized for shared use by the Virtual I/O Server's client partitions.
Figure 16-25 shows the Virtual I/O Server and client partition virtual SCSI setup
for the shared optical device with the Virtual I/O Server owning the physical
optical device and virtualizing it by its virtual SCSI server adapter in slot 90
configured for Any client partition can connect.
<Figure 16-25 SCSI setup for shared optical device>
Only one virtual I/O client partition can have access to the drive at a time like
shown in Figure 16-25 for the DB_server partition currently accessing the
virtualized optical device. The advantage of a virtual optical device is that you do
not have to move the parent SCSI adapter between virtual I/O clients, which
might even not be possible when this SCSI adapter also controls the internal disk
drives on which the Virtual I/O Server was installed.
Attention:
The virtual drive cannot be moved to another Virtual I/O Server because client
SCSI adapters cannot be created in a Virtual I/O Server. If you want the CD or
DVD drive in another Virtual I/O Server, the virtual device must be
unconfigured and the parent SCSI adapter must be unconfigured and moved
using dynamic LPAR as described in IBM PowerVM Virtualization Managing
and Monitoring, SG24-7590.
Is there somewhere that the better approach is documented?
Dana
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Mitchell, Dana
Sent: Thursday, January 07, 2016 4:04 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: RE: Moving a DVD drive owned by VIOS
Kris,
This tidbit came from IBM PowerVM Virtualization Managing and Monitoring SG24-7590-04
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Kristopher Whitney
Sent: Thursday, January 07, 2016 3:50 PM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Moving a DVD drive owned by VIOS
Dana,
If you have separate VSCSI server and client pairs for each lpar you should only have to do step 1 to vary off the optical device. Then you can go to the HMC or VIOS and change ownership of the DVD drive. The steps below imply you have only one virtual scsi server adapter that is configured to accept any virtual scsi clients. This is not recommended since it is hard to control who has connected to that vscsi server adapter since only one can be connected at a time. Can you share where you found this documentation?
Thanks
Kris Whitney
message: 5
date: Thu, 7 Jan 2016 21:24:45 +0000
from: "Mitchell, Dana" <dmitche@xxxxxxxxxx>
subject: Moving a DVD drive owned by VIOS
We're setting up a new production box with VIOS. Did install and maintenance on one LPAR now need to move the DVD drive to the other LPAR.
Is this still the only way to remove a VIOS owned virtualized DVD drive from one lpar to move it to another? Really?
Deallocating a shared virtual optical device on IBM i To deallocate a shared virtual optical device, complete these steps:
1. Use the following VRYCFG command to vary off the optical device from IBM i:
VRYCFG CFGOBJ(OPT01) CFGTYPE(*DEV) STATUS(*OFF) 2. To release the optical device with its virtual SCSI connection to the virtual SCSI server adapter for use by another Virtual I/O Server client partition, disable its virtual IOP from the SST Hardware Service Manager. Locate the logical resource for the virtual IOP, and select the I/O debug option.
3. Select the Reset I/O processor option, as shown in Figure 9-4.
Dana
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