Specifications

Troubleshooting Resources 4–39
Checking Device Status and I/O Activity
The device status region of the device display (see Figure 4–2, upper right) shows the
name and I/O characteristics for all of the devices that the controller recognizes.
Table 4–11 lists the heading and contents for each column of the device status region.
Table 4–10 Device Map Columns
Column Contents
Port SCSI ports 1 through 6.
Target SCSI targets 0 through 15. Single controllers occupy 7; dual-redundant controllers
occupy 6 and 7.
D = disk drive or CD-ROM drive
F = foreign device
H=this controller
h = other controller in dual-redundant configurations
P = passthrough device
? = unknown device type
= no device at this port/target location
Table 4–11 Device Status Columns
Column Contents
PTL Kind of device and its port-target-lun (PTL) location:
D=disk drive
P = passthrough device
? = unknown device type
= no device at this port/target location
A Availability of the device:
A = available to “this controller”
a = available to “other controller”
U = unavailable, but configured on “this controller”
u = unavailable, but configured on “other controller”
= unknown availability state