We've used the same built RPMs (generally built on Intel) on Intel and AMD x86-64 CPUs, and definitely have a mix of ISAs from both vendors, and haven't run into any problems.
On Tue, Sep 22, 2020 at 10:18:05AM +0100, Jonathan Buzzard wrote: > > I have a question about using RPM's for the portability interface on > different CPU's. > > According to /usr/lpp/mmfs/src/README > > The generated RPM can ONLY be deployed to the machine with > identical architecture, distribution level, Linux kernel version > and GPFS version. > > So does this mean that if I have a heterogeneous cluster with some machines > on Skylake and some on Sandy Bridge but all running on say RHEL 7.8 and all > using GPFS 5.0.5 I have to have different RPM's for the two CPU's? > > Or when it says "identical architecture" does it mean x86-64, ppc etc. and > not variations with the x86-64, ppc class? Assuming some minimum level is > met. > > Obviously the actual Linux kernel being stock RedHat would be the same on > every machine regardless of whether it's Skylake or Sandy Bridge, or even > for that matter an AMD processor. > > Consequently it seems strange that I would need different portability > interfaces. Would it help to generate the portability layer RPM's on a Sandy > Bridge machine and work no the presumption anything that runs on Sandy > Bridge will run on Skylake? > > > JAB. > > -- > Jonathan A. Buzzard Tel: +44141-5483420 > HPC System Administrator, ARCHIE-WeSt. > University of Strathclyde, John Anderson Building, Glasgow. G4 0NG > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss -- -- Skylar Thompson (skyl...@u.washington.edu) -- Genome Sciences Department (UW Medicine), System Administrator -- Foege Building S046, (206)-685-7354 -- Pronouns: He/Him/His _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss