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тАО08-31-2006 11:17 PM
тАО08-31-2006 11:17 PM
Departing paradise - OpenVMS
There are several applications written in DEC C & Digital FORTRAN running on Alpha/VMS 7.3-2. As a system admin I'll be moving over to HP-UX side and I'd like know, from this illustrious group, if HP offers any migration tools/facilities I can offer to our programmers to go from VMS to HP-UX. Again the programs to port are currently written in DEC C and Digital FORTRAN.
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тАО09-01-2006 12:07 AM
тАО09-01-2006 12:07 AM
Re: Departing paradise - OpenVMS
As far as the DEC C goes there are some compiler switches which could help with the migration.
/WARN=ENABLE=PORTABLE is just one in particular which would help to highlight issues in the C which the HP-UX compilers might not like.
Hope this helps,
Jeff
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тАО09-01-2006 12:26 AM
тАО09-01-2006 12:26 AM
Re: Departing paradise - OpenVMS
The newest FORTRAN compiler on VMS has the /WARNINGS qualifier, that can be used to signal informationals and warnings concerning non-standard features used. This can be helpful.
However, if your code contains explicit references to system services and/or RTL-routines, you have to find the equivalent routines for HP-UX.
You might find the following worth reading...
http://www.bo.infn.it/alice/alice-doc/mll-doc/migvms/migvms.html
Regards,
Kris (aka Qkcl)
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тАО09-01-2006 12:34 AM
тАО09-01-2006 12:34 AM
Re: Departing paradise - OpenVMS
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тАО09-01-2006 12:39 AM
тАО09-01-2006 12:39 AM
Re: Departing paradise - OpenVMS
I am trying to sell the idea, of porting the app. to HP-UX instead of Solaris, to the supporting programing group and I'd like to make it as palatable as possible.
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тАО09-01-2006 01:26 AM
тАО09-01-2006 01:26 AM
Re: Departing paradise - OpenVMS
Although I did not find any reference to VMS on
http://h20338.www2.hp.com/hpux11i/cache/324652-0-0-0-121.html
it might be worth contacting HP, since they claim they can help their customers to "transition to HP-UX" from any environment.
Regards,
Kris (aka Qkcl)
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тАО09-01-2006 05:17 AM
тАО09-01-2006 05:17 AM
Re: Departing paradise - OpenVMS
Since VMS can run on the same HW (itanium) at around the same price as HP-UX, it doesn't make much sense for 'the powers that be' to mandate a migration unless it is forced by an outside, third party, vendor. (of course, we all know sense doesn't always determine management decisions.)
For example, oracle is still not ready on VMS itanium, yet HP will iminently stop selling alpha systems. In this case, VMS customers pretty much must migrate away - and the guilty parties are clear: HP and Oracle.
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тАО09-01-2006 05:22 AM
тАО09-01-2006 05:22 AM
Re: Departing paradise - OpenVMS
{shrug} Oh well, time to move on...
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тАО09-01-2006 07:18 PM
тАО09-01-2006 07:18 PM
Re: Departing paradise - OpenVMS
There is relatively minimal difficulty to recoding applications, to be "portable".
There are also war stories out there, I can think of a couple of people that tried going Eunuchs (tm) after VMS, and failed and returned to the flock...
q
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тАО09-01-2006 08:29 PM
тАО09-01-2006 08:29 PM
Re: Departing paradise - OpenVMS
Maybe I can add my personal experience. It is only one example, so I have no idea how typical, or how exceptional, it is.
I work as a for-hire VMS consultant.
"Some time" ago I got a contract for 6 months (+ 3 month extension option) to "keep the VMS systems running, while the company staff was re-trained in Unix, and the 2 main application suppliers ported the apps to Unix and/or Windows".
Well, the contract got extended, and extended, and...
In the mean time I migrated the existing apps from Vax to Alpha, and a few VMS apps where added.
The upper part of this story happened 12 1/5 years ago!
Several of the ported apps HAVE been rolled out, but until now only one got further than the personnel retraining classes, when they proved to be lacking stability, functionality, and/or capacity.
Current official line is: moving away from VMS ASAP (aiming for end 2007).
So, are your apps of-the-shelf stuff or custom made? If the latter, have the ports already been demonstrated under full load?
As long as you ARE still running VMS, maybe you should not dispair yet.
But, YMMV.
And if you really have to leave VMS professionally, you ARE still welcome for a visit every once in a while!
Proost.
Have one on me.
jpe