I'm in the same boat here with deprecated support for RH6. We have a number of older applications supporting product that won't run on RH7. I'm still pondering what I'm going to do here. Or stay perpetually stuck on 4.2.3 on some clusters. Bob Oesterlin Sr Principal Storage Engineer, Nuance On 1/9/18, 8:02 PM, "gpfsug-discuss-bounces at spectrumscale.org on behalf of Aaron Knister" <gpfsug-discuss-bounces at spectrumscale.org on behalf of aaron.s.knister at nasa.gov> wrote: I know SLES12 has been out for a while now but that doesn't mean we can just pick up and move to a new OS without some difficulty, especially if the older OS is working just fine :)