
Chapter 4. System planning and configuration using VIOS with IVM 133
Virtual optical devices
Physical tape devices must be Serial Attached SCSI (SAS)
Physical optical devices
Physical optical devices are the CD or DVD drives installed in the media tray of a
IBM BladeCenter. Each type of BladeCenter chassis is delivered with a CD drive
or a DVD- drive.
The other physical optical device that can be used is remote media. An ISO
image or an CD or DVD in your laptop or desktop can be assigned to the blade.
The Web interface of the Advanced Management Module provides this capability.
As Table 4-1 shows, these two different drives can be identified by their location
paths.
Table 4-1 Optical drive location paths
The name of the optical drives can vary, depending on the kind of drive or remote
media you are using.
Before the BladeCenter physical optical device can be used, the media tray must
be assigned to the blade slot you are working with. The physical optical device
cannot be shared between LPARs or the VlOS and the LPARs.
The assignment of the physical optical device can be changed at any time. The
assignment can be made or changed from the Optical Devices tab in the
View/Modify Virtual Storage window. This section describes how to use the
Storage Management to change the assignment of physical optical devices.
Changing the assignment of physical optical drives
To change the assignment of physical optical drives, click the Optical/Tape tab.
Figure 4-44 on page 134 shows a list of available physical devices. The table in
that figure indicates the physical optical device and shows the LPAR assignment.
The example shows that cd1 is assigned to the partition named JS23lpar2.
The list of physical devices may vary, depending on the media tray assignment
and the usage of remote media. Figure 4-44 on page 134 shows two physical
CD-ROM drives. The second drive is a remote CD-ROM drive that is mounted
Location path Description
U78A5.001.WIH01AA-P1-T1-L1-L2-L3
CD or DVD drive in the Media tray
U78A5.001.WIH01AA-P1-T1-L1-L1 Remote media
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