User`s guide
Unit Status (full)
Unit ASWC KB/S Rd% Wr% Cm% HT% PH% MS% Purge BlChd BlHit
D0003 o^ r 382 0 100 0000 06880 0
D0250 o^ r 382 100 0 0 0 0 100 0 6880 0
D0251 o^ r 284 100 0 0 0 0 100 0 5120 0
D0262 a^ r 0 0 0 0000 0 0 0
D0280 o^ r 497 44 55 0 0 0 100 0 9011 0
D0351 a^ r 0 0 0 0000 0 0 0
D0911 a^ r 0 0 0 0000 0 0 0
D1000 a^ r 0 0 0 0000 0 0 0
Description
This subdisplay shows the status of the logical units that are known to the
controller firmware. It also shows I/O performance information and caching
statistics for the units. Up to 42 units can be displayed in this subdisplay.
The Unit column contains a letter indicating the type of unit followed by
the unit number of the logical unit. The list is sorted by unit number. There
may be duplication of unit numbers between devices of different types. If this
happens, the order of these devices is arbitrary. The following device type
letters may appear:
• D indicates a disk device.
• T indicates a tape device.
• L indicates a media loader.
• C indicates a CD–ROM device.
• F indicates a device type not listed above.
• U indicates the device type is unknown.
The ASWC columns indicate the availability, spindle state, write protect
state, and cache state respectively of the logical unit.
The availability state is indicated using the following letters:
• a—Available. Available to be mounted by a host system.
• d—Offline, Disabled by Customer Service. The unit has been disabled for
service.
• e—Online, Exclusive Access. Unit has been mounted for exclusive access
by a user.
• f—Offline, Media Format Error. The unit cannot be brought available due
to a media format inconsistency.
• i—Offline, Inoperative. The unit is inoperative and cannot be brought
available by the controller.
• m—Offline, Maintenance. The unit has been placed in maintenance mode
for diagnostic or other purposes.
• o—Online. Mounted by at least one of the host systems.
• r—Offline, Rundown. The CLI SET NORUN command has been issued
for this unit.
Diagnostics and Utilities 7–47