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Downloading VSAM files greater than 4GB via MFA Drag&Drop

  • August 18, 2016
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Problem:

 

The conversion does not complete when large VSAM files (more than 4 GB) are downloaded using the MFA Drag&Drop  menu started from the MFE Tools menu.

This happens when an automatic conversion is executed after importing of the VSAM files.   

 

Resolution:

 

To be able to download VSAM files greater than 4 GB follow these steps:

 

1. Start the MFA Drag&Drop menu from the MFE Tools menu.

2. From the MFA Drag&Drop menu go to Configure --> Options and check the box  "Turn off automatic conversion after VSAM import".  Press OK.

3. Download the file.

4. Edit the downloaded .PRO file and replace the "Format:" line after the Output file name with IDXFORMAT(8) :

 

Output-File   xxxxxxxx.DAT 

      Format:         IDXFORMAT(8)  

 

5. Start the MFE Command Prompt.

6. Run the command  “DFCONV”  to convert the file using this syntax:

 

    RUN  DFCONV <path to file .pro >\\xxxxxxxx.PRO   <path to file .$_$>\\xxxxxxxx.$_$

    or

    RUN DFCONV <path to file .pro >\\ xxxxxxxx.PRO <path to file .$_ $>\\ xxxxxxxx.$_ $ <path to file .dat>\\ xxxxxxxx.DAT

                                              

If you do not specify the path to file .DAT  this file will be produced in the current directory of the Command Prompt.    

 

Note: When you download a VSAM file and the option "Turn off automatic conversion after VSAM import” is checked, two files are created:  .$_$ and .PRO.  After running the command DFCONV manually a file .DAT is created.  A file .IDX is not created.     

 



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