I think this is a matter of testing. For HPC applications performance is the main goal. If RHEL6 (or SL6) is performing better than RHEL 5.6, go RHEL6.
Paulo Estrela http://tabugado.com On Sat, Jul 16, 2011 at 3:56 PM, Stephen John Smoogen <[email protected]>wrote: > On Sat, Jul 16, 2011 at 11:36, Yasha Karant <[email protected]> wrote: > > We are obtaining a new GPU cluster research compute engine, Nvidia CUDA 4 > > conforming. Because of the way the funding agency evaluates proposals, > we > > effectively had to use an integrator who is well respected in the > community > > associated with the particular funding source. > > > > Speaking with the professional staff at the integrator, it appears that > the > > consensus is that RHEL 6 is not really ready for production, and that > > production engines are being kept on RHEL 5.6 (CentOS 5.6, SL 5.6). When > I > > enquired about SUSE Enterprise current, I received similar comments from > the > > same source. It was noted that RHEL 6 was withdrawn for a while after > > production release. Does anyone reading this list have any observations > on > > the production stability of RHEL 6? > > I am sorry but the question is rather nebulous to answer. What is your > value of production ready? What is your integrators? What criteria do > you use for evaluation of that production readiness. It is an N > parameter non-linear equation with different answers on what those > criteria are. > > I know integrators who only are now trusting RHEL-4 for their projects > now that it is reaching end of life. There are large sites running > RHEL-6 to render movies and various scientific clustering items but > they each have different reasons for their choices and each considers > it "production stability." > > So unless you define what one means by production stability, the > question is unanswerable. > > > This question is irrespective of new hardware support in RHEL 6 that may > not > > be operational (e.g., USB 3, nominally in RHEL 6.1). > > > > Yasha Karant > > > > > > -- > Stephen J Smoogen. > "The core skill of innovators is error recovery, not failure avoidance." > Randy Nelson, President of Pixar University. > "Let us be kind, one to another, for most of us are fighting a hard > battle." -- Ian MacLaren >
