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Re: [Condor-users] Condor on WIN XP 64

The application is launched such that the executable determines what bitness of worker process you get (so wow64 if you aren't marked as a 64bit capable app).

Since condor on windows is entirely 'clipped' (no standard universe) there is no issue of any shared dll's from condor having any impact.

We've been running a mixed farm for ages and (relatively) recently moved to entirely 64bit through attrition. Never a problem for us except dealing with the differing architecture strings on submit boxes (mainly 32bit).

There *are* some default permission differences on 64bit builds of windows, though IIRC this mainly affected windows server 2003. I've not specifically targeted XP 64bit as an execute target though the codebase for 64bit XP is actually based on the windows server 2003 build so may have similar issues related to the access privileges of things in the system32 folder. 

You may wish to consider added an explicit 'Is64Bit' config item exposed in the startd classads in case users want to explicitly target only 64 bit machines (doing it through standard exposed values is either tricky or impossible depending on the version of condor you're running)


-----Original Message-----
From: condor-users-bounces@xxxxxxxxxxx [mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Ian Chesal
Sent: 31 August 2009 21:02
To: Condor-Users Mail List
Subject: Re: [Condor-users] Condor on WIN XP 64

> Hi,  some of my colleges want to use Condor on machines with Windows
XP 64
> to run a custom 64-bit application.  I assume the
> installs a 32-bit version of 7.2.4.  Has anyone tried this?

Yes. I've been running 64-bit Windows application using the 32-bit
Condor on 64-bit XP for a few years now. No problems. Condor's bit-ness
doesn't impact its ability to run 64-bit binaries.

>  Will the difference between Condor and the application even matter?

Not one iota.

- Ian

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