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8.14
Peripheral Device Type Parameters
The functions included within this section are provided for arrays without a preset
logical RAID unit, connected to a host. Subsequently, the majority of these functions
do not apply to the Sun StorEdge product line.
Caution – Modification of these settings will likely cause problems with your
storage array. All parameters are typically preset.
FIGURE 8-5
Peripheral Device Type Parameters
Peripheral Device Qualifier: The default setting for this parameter is “Connected.”
Device Supports Removable Media: The default setting for this parameter is
“Disabled.”
LUN Applicability: The default setting is “All Undefined LUNs.”
Related to the other LUN functions, LUN Applicability is primarily used when no
logical drive has been created and mapped to a host LUN, and the RAID controller
is the only device connecting to the host SCSI card. For such instances, the operating
environment will typically not load the driver of the host SCSI adapter. If the driver
is not loaded, the in-band SCSI utility cannot communicate to the RAID controller.
If “LUN-0's only” is selected, only LUN-0 of the host ID is displayed as a device
with the user-defined peripheral device type. If “All Undefined LUNs” is selected,
each LUN in that host ID is displayed as a device with the user-defined peripheral
device type.
Chapter 8
Viewing and Editing Configuration Parameters
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