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Chapter 15 Tape Drive Unit Replacement 15-5
15.2 Active Replacement
The procedure is as follows.
1. Unlock and open a door of the server. (See Chapter 5)
Caution – Before touching a FRU or dummy (filler) unit, see Section 1.4, “Antistatic
Precautions” on page 1-9 and be sure to wear the antistatic wrist strap. Failure to do so might
result in serious damage to operating domains.
2. Stop all connection to the target tape drive unit.
3. From the OS, execute the cfgadm -a command to verify the Ap_Id of tape drive
unit.
Example: If tape drive unit is rmt/0,
The Ap_Id which verified here is referred to as TAPE_ApId, and the subsequent cfgadm
operations to tape drive unit use TAPE_ApId.
4. From the OS, execute the cfgadm -c unconfigure TAPE_Ap_Id command to
unconfigure the tape drive unit from the domain.
5. Stop the connection to the CD-RW/DVD-RW drive unit on the same controller as the
target tape drive unit.
6. From the OS, execute the cfgadm -a command to verify the Ap_Id of
CD-RW/DVD-RW drive unit.
Example: If CD-RW/DVD-RW drive unit is c0t4d0,
The Ap_Id which verified here is referred to as DVD_ApId, and the subsequent cfgadm
operations to CD-RW/DVD-RW drive unit uses DVD_ApId.
# cfgadm -a
Ap_Id Type Receptacle Occupant Condition
:
c0::rmt/0 tape connected configured unknown
# cfgadm -c unconfigure c0::rmt/0
# cfgadm -a
Ap_Id Type Receptacle Occupant Condition
:
c0::dsk/c0t4d0 CD-ROM connected configured unknown