Open Stack

> Would you describe your current situation as "stable"? IIRC there are no
> known instabilities esp. with OpenStack.
To add here:

it is always recommended to update (not upgrade) to latest version. If 
there are know security issues, you should update to latest bugfix asap.

Instabilities with OpenStack installs are not intented; if there are 
any, it's most probably a bug, should be reported and fixed.

Matthias