Product specifications

Host-Side and Drive-Side Parameters
8-5
5.1.5 LUN Applicability
If no logical drive has been created and mapped to a host LUN, and
the RAID controller is the only device connected to the host SCSI
card, usually the operating system will not load the driver for the
host adapter. If the driver is not loaded, the host computer will not
be able to use the in-band utility to communicate with the RAID
controller. This is often the case when users want to start
configuring a RAID using management software from the host. It
will be necessary to configure the "Peripheral Device Type" setting
for the host to communicate with the controller. If the "LUN-0's
only" is selected, only LUN-0 of the host ID will appear as a device
with the user-defined peripheral device type. If "all undefined
LUNs" is selected, each LUN in that host ID will appear as a device
with the user-defined peripheral device type.
Different "LUN applicability" selections are available: “Device
Type” selection, “Device Qualifier Support,” “Support Removable
media,” "LUN-0's only," and "All undefined LUNs." Please refer to
5.1.8 Peripheral Device Type Parameters for Various Operating Systems
for details concerning various operating systems.
5.1.6 Peripheral Device Type
For connection without a pre-configured logical unit and Ethernet
link to a host, the in-band SCSI protocol can be used in order for the
host to “see” the RAID subsystem. Please refer to the reference table
below. You will need to make adjustments in the following
submenus: Peripheral Device Type, Peripheral Device Qualifier,
Device Support for Removable Media, and LUN Application.
Figure 5 - 6: Peripheral Device Type
5.1.7 In-band (SCSI channel)
External devices (including a RAID subsystem; from the view of
operation on an application server or management PC) require
communication links with a management computer for device