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тАО01-07-2010 06:45 AM
тАО01-07-2010 06:45 AM
Migration from Alpha/OpenVMS7.3.2 to HP - Linux
Could you please share VMS-Linux migration Do's and Dont's?
Requirement:-
1. Converting 1000 Open VMS DCL Scripts to Linux Scripts
2. Batch Scheduling and Handling
Current Environment: DEC ALPHA ES45 / OpenVMS 7.3.2
Desired Environment: HP -Linux
Possible Ways:-
1. Manual Conversion
2. Using Translation Tool
30 days trail tool found thru Google. I have registered with them to download the tool. http://www.sector7.com/products_and_services/openvms/migration_services/openvms-to-windows-unix.html
As the Manual Conversion is preferred, 1000 DCL scripts to be rewritten as Linux Scripts. I am not familiar with Linux.
Any Suggestion Please.....
Thanks.
-VV
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тАО01-07-2010 08:58 AM
тАО01-07-2010 08:58 AM
Re: Migration from Alpha/OpenVMS7.3.2 to HP - Linux
> Do's and Dont's?
Don't do it without a very good reason (which
I did not see here).
> Any Suggestion Please.....
Do you actually expect much useful advice
from people who can't see any of these "1000
DCL scripts", and who have no idea what they
do?
> I am not familiar with Linux.
Hire someone who is? Be prepared to provide
more info to that person than you've provided
here.
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тАО01-07-2010 01:00 PM
тАО01-07-2010 01:00 PM
Re: Migration from Alpha/OpenVMS7.3.2 to HP - Linux
> 1. Converting 1000 Open VMS DCL Scripts to Linux Scripts
Don't.
Figure out what the scripts are supposed to do, and whether it even applies.
Many will not need to be ported.
Google for scripts which do the work which sill needs to be done and which possibly do a better job!
2. Batch Scheduling and Handling
OpenVMS are sore of nice, but not good enough to properly schedule lots of business jobs with interdependencies and wild schedules.
'cron' for Unix has it's good points and weaknesses.
Switch to a commercial or freeware scheduler
For example (but not exclusively): http://www.jamsscheduler.com/
fwiw,
Hein
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тАО01-13-2010 09:46 AM
тАО01-13-2010 09:46 AM
Re: Migration from Alpha/OpenVMS7.3.2 to HP - Linux
In particular, look to the lexical functions in your DCL scripts. The ones that do string manipulation (F$EXTRACT, F$ELEMENT, F$FAO, possibly F$CVUI or F$CVSI) will convert more or less easily. The ones that do F$GETxxxxx will present more of a problem.
I hope you have some documentation on what your scripts were supposed to do, or perhaps if you are lucky they actually contain commented code. Otherwise, you've found yourself a career in that one initiative.
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тАО02-08-2010 12:40 AM
тАО02-08-2010 12:40 AM