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тАО02-24-2009 06:05 AM
тАО02-24-2009 06:05 AM
I'm planning to use to ICC as comm. protocol between some processes in a cluster and my tests seems to work ok.
BUT, I need SYSPRV and SYSNAM to have it running. It is the 'open' verb that requires this and from what I see in the manual it should'nt need those.
Am I doing something wrong/odd in my coding or...?
I attach a piece of code and my environment is "HP C S7.1-013 on OpenVMS IA64 V8.3-1H1".
Thanks for any help.
Peter
Solved! Go to Solution.
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тАО02-24-2009 06:46 AM
тАО02-24-2009 06:46 AM
Solutiondid you check the chapter titled 'Creating Intra-Cluster Communications Security Objects' in the System Manager Manual Vol. 1 ?
It refers to the ICC startup procedures and SYS$STARTUP:ICC$SYSTARTUP.TEMPLATE.
Volker.
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тАО02-24-2009 10:20 AM
тАО02-24-2009 10:20 AM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
That's also a very early C compiler. V7.3 is current.
And I'd agree with Volker; that you're probably not configuring the ICC security objects before you start using ICC. This is the SYS$MANAGER:ICC$SYSTARTUP.* stuff.
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тАО02-24-2009 12:41 PM
тАО02-24-2009 12:41 PM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
Nothing wrong in your code. Since the association you're opening has cluster wide visibility SYSPRV and SYSNAM are appropriate. Use ICC security objects to specify access for unprivileged users.
Unless portability is a specific goal, I disagree with Hoff. Portability is a laudable goal, but it's a significant added cost, and will often kill performance because you have to choose the lowest common denominator. ICC does things that sockets can't come close to in terms of flexibility and performance.
I've been using ICC heavily of late and discovered several things that you won't find in any manuals, but you really need to know. Send me mail for details (my name with at in the middle and dot com on the end).
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тАО02-24-2009 06:51 PM
тАО02-24-2009 06:51 PM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
In case it helps you with some event processing examples (and for all those out there that wanted to know how to do this in COBOL :-) please see attached.
The question I want answered about ICC is "Will it continue to be the API of choice for future hi-speed cluster interconnects such as infiniband, or a. n. other.?"
Wasn't $icc highly-tuned and targetted specifically at Alpha anyway?
Cheers Richard Maher
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тАО02-24-2009 11:49 PM
тАО02-24-2009 11:49 PM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
My plan is to replace an old sharemem based IPC and in my tests ICC gives better performance than sockets.
Peter
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тАО02-25-2009 06:30 AM
тАО02-25-2009 06:30 AM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
Purely Personal Opinion
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тАО02-25-2009 01:57 PM
тАО02-25-2009 01:57 PM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
Sounds good. But I was expecting some sort of new Intra-Cluster Global Section C RTL, or perhaps an optimized, more hardware specific, API.
It would be nice to know if ICC will continue to be *THE* high-perfromance intra-cluster API or will merely support (in a fashion) future interconnects.
Cheers Richard Maher
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тАО02-26-2009 02:43 AM
тАО02-26-2009 02:43 AM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
We will release an OpenVMS (Integrity only) version in the next few days with C++, C and Java APIs, to be followed by Python and Perl and whatever else is available on OpenVMS not long after.
There are APIs in just about every programming language on other platforms, so one can build one's core back-end on OpenVMS -reliability, availability, scalability, security- and interface to it from whatever platform and language is desired.
We will write a short announcement here and elsewhere in the near future on the availability.
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тАО02-26-2009 01:57 PM
тАО02-26-2009 01:57 PM
Re: Problem with sys$icc_open_assoc and SYSPRV/SYSNAM
Have I missed something?
>We will release an OpenVMS (Integrity
>only) version in the next few days
>If you want something portable
Unless you want it portable between OpenVMS systems on Alpha and Integrity (and forget about VAX...)??