BELL LABS INNOVATIONS Lucent Technologies 3B21D, Routine Maintenance Tasks

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Tasks Maintenance Routine
Diagnostics Demand System Perform
ATP Is 2.2.
COMPLETE MESSAGE
received? message output
If yes Step to continue , 2.3.
If no 254-303-102, to refer , Clearing Trouble Computer 3B21D
Tasks trouble. clear to ,
or 12-3 Table in Nos. Item (all diagnostics demand scheduled all Have 2.3.
units? helper CU both using IOPs all for completed been 12-4) Table
If yes Step to continue , 2.4.
If no Step to return , 2.1.
2.4. DIAGNOSTICS. DEMAND IOP COMPLETED HAVE YOU STOP!
version). 2 (DFC controller file disk the on diagnostics demand Run 3.
VERSION) 2 DFC (USING DFC ON DIAGNOSTICS DEMAND RUN
PROCEDURE:
3B21D the on supported are 3) DFC and 2 (DFC DFC the of versions Two
version 2 DFC The version. each for different are diagnostics and computer,
the supports version 3 DFC The hardware. TN2116/UN373 the supports
2 DFC the on diagnostics demand run will procedure This hardware. UN580
version.
1: Requirement in (MHDs) disks head moving all with active be must DFCs All
procedure. this beginning to prior service
2: Requirement to prior standby be must 0 CU and active be must 1 CU
entering by active 1 CU make active, not is 1 CU If procedure. this beginning
messages: input appropriate following the of one
enter MML, If SW:CU;
Response:
COMPLETED 1 CU SW
enter PDS, If SW:CU!
Response:
COMPLETED 1 CU SW
or (MML) 12-5 Table from command next) (or first the in type terminal, At 3.1.
with ending and 1 No. Item with starting time, a at one (PDS), 12-6 Table
unit, DFC the for command each entering After No. Item last the
Step to continue 3.2.
1999 April 3 Issue 254-303-101 12-9