What are the common VSAM error condition codes?
VSAM – File Status
| Code | Description |
|---|---|
| 02 | Non-Unique Alternate Index duplicate key found |
| 04 | Invalid fixed length record |
| 05 | While performing OPEN File and file is not present |
| 10 | End of File encountered |
How do I fix an open VSAM error?
VSAM OPEN Error Resolution and Check in the Program
- Attributes for file organization (sequential, relative, or indexed)
- Prime record key.
- Alternate record keys.
- Maximum record size.
- Record type (fixed or variable)
What is VSAM return code 23?
The reason for File status 23 is as follows – Invalid key for a VSAM indexed or relative file; no record found. Solution: Check the key value is defined for VSAM indexed file or not.
What is VSAM return code 28?
VSAM return code 28 occurs due to either- The primary space is already exhausted and the space in Secondary space cannot be extended further due to the limitation in space.
How do I initialize a VSAM file?
Initializing VSAM File Status (Manually)
- Open the VSAM file in EDIT mode in File Manager.
- Insert any record in the VSAM file and save.
- Delete that record & save it will initialize the VSAM file.
What happens when you open an empty VSAM file in a Cobol program for input?
What happens when you open an empty VSAM file in a COBOL program for input? A VSAM file that has never contained a record is treated as unavailable. Attempting to open for input will fail. An empty file can be opened for output only.
How do I handle an empty VSAM file?
In a standalone step, issue an IDCAMS PRINT INFILE(VSAMFILE) COUNT(1). If the file is empty, an RC=04 will be raised. If the customer worries about exposing delicate file-information from PRINT, specify DD DUMMY for SYSPRINT. Remember, you’re only interested in the return-code.
How do you read a VSAM Ksds reverse order?
How to Read a VSAM file from last record to first
- Simply MOVE HIGH-VALUES to the RIDFLD.
- Do a Start Browse first. Then issue a READPREV which reads the HIGH-VALUES record.
- Issue another READPREV which actually reads the last record of the file. From that record on wards continue reading the file in reverse order.
How do I check if a VSAM is empty in JCL?
If the input file is empty, then this step will give RC = ’04’. If it is not empty, then this step will give RC = 0. Trapping the return code of this step one can say whether the input was empty.
Can we read empty VSAM file?
A VSAM file that has never contained a record is treated as unavailable. Attempting to open for input will fail. An empty file can be opened for output only. When you open for output, COBOL will write a dummy record to the file and then delete it our.
How do you verify a command in VSAM?
Verify. Verify command is used to check and fix VSAM files which have not been closed properly after an error. The command adds correct End-Of-Data records to the file. In the above syntax, vsam-file-name is the VSAM dataset name for which we need to check the errors.