[Beowulf] Gentoo in the HPC environment

[Reuti]

Am 26.06.2014 um 19:49 schrieb John Hearns:

> Re. Putting bleeding edge packages on production systems I was once told to put a new versiion of bash on an SGI Ultraviolet, running SLES.
> 
> Next time the system wouldn't boot.
> Thank Seymour I had the systems admin skills to boot single user and force a downgrade of the RPM.
> 
> The lesson- what SEEMS like an innocent change can have far reaching consequences.

Not to mention, that any change of the system installation means to run the test suite of the used applications again to detect such consequences before you get wrong results and publish them.

-- Reuti