OA46482: NEW FUNCTION : EASY-TIER SUPPORT

Obtain the fix for this APAR.

APAR status

• Closed as new function.

Error description

• NEW FUNCTION
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Easy Tier capable devices           *
  ****************************************************************
  * PROBLEM DESCRIPTION: New Function provided by DS8870 allows  *
  *                      z/OS to steer data placement within     *
  *                      Easy Tier volumes to meet application   *
  *                      performance objectives.                 *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  This function requires IBMDS8870 Storage Subsystem with
  microcode level that can be found in announcement letter
  ENUS114-171.
  

Problem conclusion

Temporary fix

Comments

• The following sections of publication below are updated:
  
  Title: z/OS MVS Initialization and Tuning Reference
  Document Number: SA23-1380-XX(R21)
  
   Statements/Parameters for DEVSUPxx
   Syntax Format of DEVSUPxx
  
     EASYTIERHINTS=
      YES  - Enable Easy-Tier Copy Temperature function for
             software defined storage.
             This enables Query/Set Temperature functions used
             to direct data placement in the Disk Controller.
      NO   - Disable Easy-Tier Copy Temperature for software
             defined storage.
             This disables Query/Set Temperature functions used
             to direct data placement in the Disk Controller.
  
  If Easy-Tier Copy Temperature function for software defined
  storage is enabled by setting EASYTIERHINTS=YES in the DEVSUPxx
  member of the PARMLIB, an IEA253I message is logged.
    IEA253I DEVSUP EASY-TIER FOR SOFTWARE DEFINED STORAGE
  
  If EASYTIERHINTS=NO is specified followed by issuing the 'SET
  DEVSUP=xx' command to refresh the PARMLIB member, the IEA253I
  message will not be logged.
  
  
  If Easy-Tier Copy Temperature function for software defined
  storage is enabled by setting EASYTIERHINTS=YES in the DEVSUPxx
  member of the PARMLIB, the
  'EASY-TIER FOR SOFTWARE DEFINED STORAGE' status will be seen
  in the output of the 'F DEVMAN,REPORT' console command.
  Refer to the appropriate 'z/OS MVS System Commands'
  for usage of the 'F DEVMAN,REPORT' console command.
  
  If Easy-Tier Copy Temperature function for software defined
  storage is disabled by issuing 'SET DEVSUP=XX' with
  EASYTIERHINTS=NO in the PARMLIB member,
  the 'EASY-TIER FOR SOFTWARE DEFINED STORAGE' status will not
  be seen in the output of the 'F DEVMAN,REPORT' command.
  
  
  Title: MVS System Messages, Vol 6 (GOS-IEA)
  Document Number: SA38-0673-00(R21)
  
  The following message will be updated in 'IEA Messages' section
  for IEA253I.
      IEA253I DEVSUP EASY-TIER FOR SOFTWARE DEFINED STORAGE
  
   KEYWORDS: D/T2107
  

APAR Information

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

  OA45241

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

  UA76307 UA76308

Modules/Macros

• IEAVNP16 IFG0DEVS
  

Fix information

• Fixed component name

  DATA MGMT SUPPO

• Fixed component ID

  5695DF107

Applicable component levels

• RD10 PSY UA76307

     UP15/02/13 P F502

• R210 PSY UA76308

     UP15/02/13 P F502

Fix is available

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