I am a big fan of perl-ssh-tools (https://github.com/tobert/perl-ssh-tools) to let me manage my nodes and SVN to store configs.
~Eric Plowe On Thu, Oct 23, 2014 at 3:07 PM, Michael Shuler <mich...@pbandjelly.org> wrote: > On 10/23/2014 04:18 AM, Alain RODRIGUEZ wrote: > >> I was wondering about how do you guys handle a large cluster (50+ >> machines). >> > > Configuration management tools are awesome, until they aren't. Having used > or played with all the popular ones, and having been bitten by failures of > those tools on large clusters, my long-time preference has been using a VCS > to check configs and scripts in/out and parallel ssh (whichever one you > like). Simple is good. If you don't deeply understand the config management > system you have chosen, the unexpected may(will?) eventually happen. To all > the servers at once. > > Even when you are careful, we are human. No tool can prevent *all* > mistakes. Test everything in a staging environment, first! > > -- > Kind regards, > Michael > > PS. even staging doesn't prevent fallibility.. :) > https://twitter.com/mshuler/status/520667739615395840 >
