On Mon, 2013-10-28 at 11:31 -0400, Richard Lefebvre wrote: [SNIP]
> Also, another question, under what condition a scatter allocation better > then cluster allocation. We currently have a cluster of 650 nodes all > accessing the same 230TB gpfs file system. > Scatter allocation is better in almost all circumstances. Basically by scattering the files to all corners you don't get hotspots where just a small subset of the disks are being hammered by lots of accesses to a handful of files, while the rest of the disks sit idle. JAB. -- Jonathan A. Buzzard Email: jonathan (at) buzzard.me.uk Fife, United Kingdom. _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at gpfsug.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
