Andrew Beekhof wrote: > I'd like to get a sense of how people upgrade their clusters... > > * rolling upgrade (node-by-node) This absolutely must work. When automatic software update happens it doesn't happen synchrolously. -- Tuomo Soini <tis at foobar.fi> Foobar Linux services +358 40 5240030 Foobar Oy <http://foobar.fi/>