Posted: Mon Sep 13, 2004 11:55 am Post subject: FTP Restart logic
Hi
I am currently developing interfaces for data transfer from the mainframe to an FTP server and vice versa. I have to develop some procs to facilitate the data transfer. But, during this process if there is some failure due to some errors or due to transmission problem, I will have to take care of maintenance of data and restarting the job. Please can you provide me with sufficient explanation of this entire logic and some examples of the JCL's also.. I need to know in what all cases there might be errors and job failure during data transmission nad how to tackle these situations.
Pallavi, I'm not going to delve into any specifics, since you are much more intimately familiar with your systems and your business processes. I will, rather, offer a few suggestions.
1. For each FTP, make sure to force a check for valid completion code, and take appropriate actions for both successful and non-successful transfers. For non-successful transfers, it's usually a good idea to perform a loop and try again, but I would set a threshold limit on re-attempts.
2. For security resons, avoid the use of logons/passwords within your FTP command stream.
3. Implement a good problem notification/escalation process.
4. Avoid using "mget"s, as they take a toll on the server.
5. Keep the process as generic as possible. Make it as rule-driven as possible. Take advantage of GDG's if possible.
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