OA50068: NEW FUNCTION - PROVIDE READ-ONLY ACCESS FOR SYNCHRONOUS PPRC SECONDARY DEVICES

Obtain the fix for this APAR.

APAR status

• Closed as new function.

Error description

• New Function
  

Local fix

• Additional Information:
  
  DevServ PATH output will now show a ">" symbol rather than the
  letter R on a DS P,ucb command. Example output:
  IEE459I 16.02.17 DEVSERV PATHS 672
   UNIT DTYPE  MD CNT VOLSER CHPID=PATH STATUS
  devn,device ,OR,000,      ,p1=> p2=> etc.
  ************************ SYMBOL DEFINITIONS
  ************************
  O = ONLINE                         R = READ-ONLY
  > = PATH AVAILABLE AND RESERVED
  
  .
  Additional Keywords:
  UIM
  CBDA381I during dynamic activate if this apar is missing.
  NOTE = 015D,HCD DETECTED AN ERROR IN UIM PROCESSING
  DESCTEXT=CBDA381I
  PARAMETER 34  FOR DEVICE NNNN NOT FOUND IN UDT CB DES002.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Peer-to-Peer Remote Copy on D/T2107 *
  *                 storage subsystems                           *
  *                                                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: New Function: Provides read-only access *
  *                      for synchronous PPRC secondary devices. *
  *                      A secondary device can be varied online *
  *                      to a system once it activates an IODF   *
  *                      that defines the device as read-only.   *
  *                      Data sets on a read-only device         *
  *                      can be allocated, opened and read from  *
  *                      this system.                            *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION: For full function support, install Device    *
  *                 Support APAR OA50068 which brings in the     *
  *                 the necessary support for all other z/OS     *
  *                 components.                                  *
  *                                                              *
  ****************************************************************
  

Problem conclusion

Temporary fix

Comments

• New function to provide read-only access for synchronous
  PPRC secondary devices.
  This new function APAR is for z/OS V2R1 and V2R2.
  
  The following publications are updated:
  
  1. z/OS z/OS Introduction and Release Guide (GA32-0887)
  This information introduces the read-only device
  function provided by the APAR.
  
  2. z/OS Summary of Messages and Interface Changes (SA23-2300)
  This identifies new Macro, JCL, and Dynamic Allocation
  parameters for access to data sets on read-only devices.
  
  3. z/OS DFSMS Using the New Functions (SC23-6857)
  This information provides an overview of read-only
  PPRC secondary devices.
  
  4. z/OS HCD Planning (GA32-0907)
  Read-Only is described as an attribute to a
  Synchronous PPRC secondary device.
  
  5. z/OS DFSMS Using Data Sets (SC23-6855)
  The serialization provided by a PPRC secondary device
  is described. Includes a table identifying which data
  set types are supported on read-only devices.
  
  6. z/OS DFSMS Managing Catalogs (SC23-6853)
  This describes how catalogs on read-only devices
  are affected.
  
  7. z/OS MVS JCL Reference (SA23-1385)
  This describes the JCL DD ROACCESS keyword that is
  required to allocate a data set on a read-only device.
  
  8. z/OS MVS Authorized Assembler Services Guide (SA23-1371)
  This describes certain text units that are
  required when using dynamic allocation.
  
  9. z/OS DFSMSdfp Advanced Services (SC23-6861)
  This provides an overview of the DCBE parameter
  CONCURRENTRW.
  
  10. z/OS DFSMS Macro Instructions for Data Sets (SC23-6852)
  This describes the DCBE parameter CONCURRENTRW in detail.
  It describes new VSAM OPEN reason codes 161(X'A1')
  and 162(X'A2').
  
  11. z/OS DFSMS Access Method Services Commands (SC23-6846)
  This describes the DVLROA (online and read-only) value
  for the DCOLLECT DVLMVSS field.
  
  12. z/OS DFSMSdfp Diagnosis (SC23-6863)
  This describes new and updated CVSTAT and DADSM return
  and diagnosis codes.
  
  13. z/OS DFSMSdfp Storage Administration (SC23-6860)
  The following commands are updated to display MVS status
  for volumes configured as read-only:
  - IGD001I in response to DEVSERV SMS command
  - IGD002I in response to DISPLAY SMS command
  - ISMF LISTSYS line operator
  - ISMF Display of SMS Volume Status
  
  14. z/OS MVS System Commands (SA38-0666)
  The following topics are updated:
  - System operations - Device Assignment
  - System operations - Responding to failing devices
  - DEVSERV command along with examples of
  DEVSERV PATHS and DEVSERV SMS
  
  15. z/OS MVS System Messages, Vol 6 (GOS-IEA) (SA38-0673)
  The following messages are updated:
  - IDC3009I (refer to APAR OA50188)
  - IEA434I (refer to APAR OA50068)
  - IEA482I (refer to APAR OA50068)
  
  16. z/OS MVS System Messages, Vol 7 (IEB-IEE) (SA38-0674)
  The following messages are updated:
  - IEC143I (refer to APAR OA50187)
  - IEC161I (refer to APAR OA50178)
  - IEC380I (refer to APAR OA50188)
  - IEE174I (refer to APAR OA50189)
  - IEE457I (refer to APAR OA50189)
  - IEE459I (refer to APAR OA50176)
  
  17. z/OS MVS System Messages, Vol 8 (IEF-IGD) (SA38-0675)
  The following messages are updated:
  - IEFA180I NEW (refer to APAR OA50451)
  - IEFA181I NEW (refer to APAR OA50451)
  - IGD001I (refer to APAR OA50175)
  - IGD002I (refer to APAR OA50175)
  - IGD17098I NEW (refer to APAR OA50175)
  - IGD17099I NEW (refer to APAR OA50175)
  - IGD17265I NEW (refer to APAR OA50175)
  - IGD17269I (refer to APAR OA50175)
  - IGD17279I (refer to APAR OA50175)
  
  18. z/OS MVS System Messages, Vol 9 (IGF-IWM) (SA38-0676)
  The following messages are updated:
  - IOS000I (refer to APAR OA50068)
  
  19. z/OS DFSMSdss Storage Administration (SC23-6868)
  The usage of read-only devices is not supported by DSS.
  
  20. z/OS DFSMShsm Implementation and Customization Guide
  (SC23-6869)
  The usage of read-only devices is not supported by HSM.
  
  21. z/OS MVS Data Areas Volume 2 (IAX-ISG) (GA32-0936)
  The IOSDDEVI mapping is updated.
  
  ------------------------------------------------------------
  To view the PDF documentation changes for this support refer
  to the following URL:
  
  http://publibz.boulder.ibm.com/zoslib/pdf/OA50068.pdf
  
  Note: New and changed messages are not included in PDF.
  

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  OA50175 OA50176 OA50178 OA50179 OA50180 OA50187 OA50188 OA50189
  OA50191 OA50193 OA50451 OA50452 OA50505 OA50875 OA51054 OA51737

Modules/Macros

• CBDED51  CBDES002 CBDUS002 IECCINIT IECDINIT IECDPRFX IECDUCBD
  IECLMSGD IECVDMSG
  

Fix information

• Fixed component name

  DEVICE SUPPORT

• Fixed component ID

  5695DF111

Applicable component levels

• R210 PSY UA91011

     UP17/02/07 P F702

• R220 PSY UA91012

     UP17/02/07 P F702

Fix is available

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