FDR V54L78 - Innovation Data Processing

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MESSAGES AND CODES INTRODUCTION TO MESSAGES 100.1 ABEND CODES WAIT STATE CODES MINI-DUMP I/O ERRORS AND TRACES FDR user ABEND codes range from U0100 to U0999. See Section 100.8 “ABEND Codes”. Most user ABENDs are preceded by an FDR error message. Note that user ABEND U0888 is a special case. It is issued by FDR programs to indicate that errors occurred that were not severe enough to terminate the FDR operation, yet the program wants to call attention to the error messages at the end of processing. Severe errors usually result in an immediate ABEND. You can control whether FDR programs set a return code or issue an U0888 ABEND for non-terminating errors; see the options “FDRCC” in Section 90.13, “CPKCC” in Section 90.14, and “ABRCC” in Section 90.15. By default, FDR and COMPAKTOR issue an U0888 ABEND and ABR sets a return code 12. The Stand Alone Restore (SAR) program may put the CPU in a WAIT STATE if errors occur and it is not able to display a message to the operator, e.g., errors that occur before the console has been initialized. SAR loads a meaningful code in the instruction address field of the PSW (last four digits); these codes are documented in “Wait State Codes from SAR” in Section 100.9. The procedures for displaying the PSW vary by CPU type; consult the hardware documentation for your CPU for details. In many cases, an error message will be followed by a set of diagnostic displays, called an FDR mini-dump. Each message description indicates if a mini-dump is printed. The mini-dump includes: ❖ ❖ ❖ ❖ The general registers at the time of the mini-dump. These may or may not be significant, depending on the error. Blocks of storage identified by the FDR program requesting the mini-dump. These usually have a title above them for identification. The storage displayed varies depending on the error message. For I/O errors, it displays the DCB, UCB, and IOB. The IOB contains: Bytes 2-3 – Sense bytes 0-1. Byte 4 – I/O termination post code (7F = normal termination). Bytes 8-15 – Hardware-generated Channel Status Word (CSW), see the IBM z/Architecture Principles of Operation (SA22-7832) manual, consisting of: Bytes 8-11 – Address of last CCW executed +8. Bytes 12-13 – Channel status flags. Bytes 14-15 – Remaining length in last CCW (CCW length field minus this gives bytes transferred). It also formats the CCW chain executed. CCW(-0) identifies the last CCW executed. For most I/O errors, FDR formats information about the error in a condensed format that includes: ❖ ❖ ❖ The I/O request Block (IOB) as described above. The CCW chain (four CCWs per line in most cases). Up to eight bytes of data associated with each CCW (16 or 20 bytes for certain CCWs). The lines containing the data alternate with the lines containing the CCWs, so that the data for each CCW is immediately below the CCW itself. INNOVATION DATA PROCESSING technical support may request that you add operands to your control statements that trace all I/Os issued by FDR. This same format is used for those traces. CHAPTER 100 – PAGE 100-2 –
MESSAGES AND CODES FDR CONSOLE MESSAGES AND TSO TERMINAL MESSAGES 100.2 100.2 FDR CONSOLE MESSAGES AND TSO TERMINAL MESSAGES The following write-to-operator (WTO), write-to-operator-with-reply (WTOR), and TSO messages are issued by FDR: FDRW01 CONFIRM REQUEST TO RESTORE UNIT=uuuu,VOL=vvvvvv,JOB=jjjjjjjj Reason: The job “jjjjjjjj” wishes to do a full-volume restore or copy to the disk device “uuuu” whose current volume serial is “vvvvvv”. This confirmation request can be suppressed by specifying the CONFMESS=NO operand on the RESTORE or COPY statement. Action: Reply “YES” – Operator approves request to restore. Reply “NO” – Operator does not approve the restore request; the restore is terminated. Reason: FDRW02 Action: Reason: CONFIRM REQUEST TO RESTORE FROM UNIT=uuuu TO VOL=vvvvvv. REPLY YES OR NO. This form of the FDRW01 message is issued by FDRINSTANT. A FlashCopy FRR restore is being requested to the volume serial “vvvvvv” from the offline unit address “uuuu”. This confirmation request can be suppressed by specifying the CONFMESS=NO operand on the RESTORE or COPY statement. Reply “YES” – Operator approves request to restore. Reply “NO” – Operator does not approve the restore request; the restore is terminated. CONFIRM REQUEST TO ABSOLUTE TRACK RESTORE UNIT=uuuu,VOL=vvvvvv,JOB=jjjjjjjj The job “jjjjjjjj” wishes to do an absolute track restore to volume “vvvvvv” on the disk device “uuuu”. Action: Reply “YES” – Operator approves request to restore. Reply “NO” – Operator does not approve the restore request; the restore is terminated. CONFIRM REQUEST TO CONTINUE BACKUP - PREVIOUS INSTANT BACKUP FOR vvvvvv WILL BE LOST. REPLY YES OR NO. Reason: This form of FDRW02 is issued by FDRINSTANT. You have done a SNAP or SPLIT operation for volume “vvvvvv” but you have not yet executed the ABR DUMP with SNAP=USE or BCV=USE to move the backup to tape, and you are trying to execute another SNAP or SPLIT. If you specify the operand CONFMESS=NO on the SNAP or SPLIT statement, then FDR overlays backup image on disk unconditionally, and issue message FDR230 with REASON=P. Action: Reply “YES” – Operator approves request to backup. The backup already on the SNAP target volume or BCV is lost. Reply “NO” – The backup is terminated. Reason: Action: INSTANT BACKUP FOR vvvvvv ON SNAPUNIT=uuuu IS IN-USE. REPLY “RETRY” OR “CANCEL” This form of FDRW02 is issued by FDRINSTANT. You have done a SNAP or SPLIT operation for volume “vvvvvv” but the ABR DUMP with SNAP=USE or BCV=USE to move the backup to tape or a restore job is still executing, and you are trying to execute another SNAP or SPLIT. Reply “RETRY” – When you believe the backup is longer in use. If it is still busy, the message is reissued. Reply “CANCEL” – The backup is terminated. FDRW03 dsname DATE PROTECTED--REPLY YES OR NO TO RESTORE VOL=vvvvvv Reason: A data set restore has been requested for data set “dsname” on volume “vvvvvv”. The output data set is pre-allocated and has an expiration date that has not been reached. If you wish to suppress this message and automatically do the restore, specify EXPD=NONE on the RESTORE statement. Action: Reply “YES” – Operator approves request to restore. Reply “NO” – Operator does not approve the restore request; the restore is terminated CHAPTER 100 – PAGE 100-3 –
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FDR V54L78 - Innovation Data Processing

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