IBM i 830 Repair Manual page 469

a. Enter
WRKCFGSTS *DEV *TAP ASTLVL(*INTERMED)
(the Work with Configuration Status command) on the command
line.
b. You must complete all parts of this step before you press the Enter
key.
Note: If the device is not varied off, select the Vary off option
before continuing.
c. Select the Vary on option for the failing tape unit.
d. Enter
RESET(*YES)
(the Reset command) on the command line.
e. Press the Enter key.
This ends the procedure.
7. Steps 7 and 8 of this procedure determine if the I/O processor for the tape
unit gives support to other tape units or to a disk unit.
Notes:
a. If you cannot determine the tape unit you are attempting to use, go to
step 12 of this procedure.
b. System messages refer to other tape units that the I/O processor gives
support to as associated devices.
Enter
WRKHDWRSC *STG
(the Work with Hardware Resources command) on the command line.
Did you record an I/O processor (IOP) resource name in step 6 of this
procedure?
No Yes
↓
Perform the following:
a. Select the Work with resources option for that resource.
b. Record the Configuration description name of all tape units for
which the I/O processor provides support.
c. Record whether the I/O processor for the tape unit also gives
support to any disk unit resources.
d. Go to step 9 of this procedure.
8. Perform the following:
a. Select the Work with resources option for each storage resource IOP (CMB01,
SIO1, and SIO2 are examples of storage resource IOPs).
b. Find the Configuration Description name of the tape unit you are
attempting to use. Record the Configuration Description names of all tape
units that the I/O processor gives support to.
c. Record whether the I/O processor for the tape unit also gives support to
any disk unit resources.
9. Does the I/O processor give support to any disk unit resources?
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation
Tape Unit PIPs
455