OK so I checked and if I run directly on the "AFM" FS in a different "non AFM" directory, it works fine, so its something AFM related ...
Simon On 23/08/2017, 11:11, "[email protected] on behalf of Simon Thompson (IT Research Support)" <[email protected] on behalf of [email protected]> wrote: >We're using an AFM cache from our HPC nodes to access data in another GPFS >cluster, mostly this seems to be working fine, but we've just come across >an interesting problem with a user using gfortran from the GCC 5.2.0 >toolset. > >When linking their code, they get a "no space left on device" error back >from the linker. If we do this on a node that mounts the file-system >directly (I.e. Not via AFM cache), then it works fine. > >We tried with GCC 4.5 based tools and it works OK, but the difference >there is that 4.x uses ld and 5x uses ld.gold. > >If we strike the ld.gold when using AFM, we see: > >stat("program", {st_mode=S_IFREG|0775, st_size=248480, ...}) = 0 >unlink("program") = 0 >open("program", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0777) = 30 >fstat(30, {st_mode=S_IFREG|0775, st_size=0, ...}) = 0 >fallocate(30, 0, 0, 248480) = -1 ENOSPC (No space left on >device) > > > >Vs when running directly on the file-system: >stat("program", {st_mode=S_IFREG|0775, st_size=248480, ...}) = 0 >unlink("program") = 0 >open("program", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0777) = 30 >fstat(30, {st_mode=S_IFREG|0775, st_size=0, ...}) = 0 >fallocate(30, 0, 0, 248480) = 0 > > > >Anyone seen anything like this before? > >... Actually I'm about to go off and see if its a function of AFM, or >maybe something to do with the FS in use (I.e. Make a local directory on >the filesystem on the "AFM" FS and see if that works ...) > >Thanks > >Simon > >_______________________________________________ >gpfsug-discuss mailing list >gpfsug-discuss at spectrumscale.org >http://gpfsug.org/mailman/listinfo/gpfsug-discuss _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
