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ZOS IOCDS build or change using HCD of ISPF

CONTENTS:

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1. Activate or process configuration data

2. Build IOCDS

3. Update IOCDS

4. CRIOCDS  JOB submitted

5. Confirm   WRITE TO LEVEL A0 IOCDS

 

If you have to build an IOCDS  (Input Output Control Data Set)  using a new created production  IODF (Input Output Definition File)  configuration file an  easy way exists with  the  HCD /Hardware Configuration Definition/ function of TSO/ISPF.  This new IOCDS is used at POR (Power Off Reset) time to make the new configuration data known to z/OS.  After entering HC of ISPF menu you have to specify the name of the I/O definition file . . . ( ‘SYS1.IODF48’ )     to be used and continue with Build IOCDS function. Then you have to perform some  Actions on selected IOCDS configuration(A0, A1, A2..) –   Update IOCDS and  writing/rename  the title  and date of the changed configuration.  A  job is generated “CRIOCDS  JOB07466 “  that is  submitted,  but not started. On syslog (sd.log) you have to answer/ REPLY     ‘YES’  for  the  job  “CRIOCDS”  to WRITE TO LEVEL A0 IOCDS or A1 IOCDS which  is choosen  to be replaced (“Disable write protection” for this  IOCDS  must be activated from HMC/Hardware Management Console/).

The following steps bellow describe the operations in detail:

 

                        1. Activate or process configuration data

After starting HC of TSO/ISPF  menu go to following sequence:

– 2.  Activate or process configuration data  (choose 2)

For options 1 to 5, specify the name of the existing IODF to be used.

I/O definition file . . . ‘SYS1.IODF48’      – Enter

 

                       2. Build IOCDS

2.  Build IOCDS  (choose 2)

/ Proc. ID Type     Model    Mode  Serial-#   Description  – Enter

–  / BC1B     2066     001      LPAR               (enter /)           

 

Processor ID . . : BC1B

…  Last IOCDS A0 to Update …..

/ IOCDS  Name     Format  Date         Time

–   / A0               (enter / if choose A0)                                          

_ A1

_ A2

_ A3                                                                         – Enter

–       Actions on selected IOCDSs

 

                       3. Update IOCDS

 1_  Update IOCDS  . . . . . . . . . . (choose 1 _ u)

 

IODF name . . . . . . . . . : ‘SYS1.IODF48’

Processor ID  . . . . . . . : BC1B                               IOCDS  : A0  

Title1  . z800io48

Title2  : SYS1.IODF48 – 2009-02-05 14:27

Dualwrite  . . . . . . . . . . . . . . . No     (Yes or No)

Switch IOCDS for next POR  . . . . . . No     (Yes or No)

Write IOCDS in preparation of upgrade  No    (Yes or No)                – Enter

 

                          4. CRIOCDS  JOB submitted

– Job statement information  to fill up  and Enter 

//CRIOCDS  JOB (9999),MSGLEVEL=(1,1),MSGCLASS=X,TIME=1440,CLASS=B

//*

 

IKJ56250I JOB CRIOCDS(JOB07841) SUBMITTED         

 

IOCDS    

A0.BC1B  

**********                           

Job CRIOCDS  JOB07466 was submitted, but not started.

To leave – press F3

/Leave HC dialog – Job continue/

//CRIOCDS JOB (9999),MSGLEVEL=(1,1),MSGCLASS=X,TIME=1440,CLASS=B

//*

//IOCP0   EXEC PROC = cbdjiocp,

//        IPARM='(IOCDS,A0,BC1B,I)’,

//      IODF=’SYS1.IODF48′,ACC=OLD

//GO.HCDCNTL DD *

Z800IO48

/*

 

                       5. Confirm   WRITE TO LEVEL A0 IOCDS

The same for  //        IPARM='(IOCDS,A1,BC1B,I)’,

*0003 IYP050D SHOULD CRIOCDS  WRITE TO LEVEL A0 IOCDS/or A1 IOCDS?  REPLY ‘YES’, ‘NO’   OR ‘CANCEL’

Before answer to write on A0 you should activate  “Disable write protection” for this  IOCDS  from HMC/Hardware Management Console/.

/3,yes  – Enter from sd.log of BC2A  to confirm   WRITE TO LEVEL A0 IOCDS.

IYP057I IOCP JOB CRIOCDS  SUCCESSFUL.  LEVEL A0/or A1 IOCDS REPLACED.

I  CBDA674I  IOCP successfully completed for A0.BC1B or  A1.BC1B.

If verified via HMC /Hardware Management Console/ – operations, A0 or A1  I/O configuration is OK according SYS1.IODF48 contents.

 

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