[ubuntu-uk] Not a good press

[Tony Pursell]

On 3 Nov 2009 at 18:21, Alan Pope wrote:

> 
> 2009/11/3 Alan Bell <alan.bell at theopenlearningcentre.com>:
> > an upgrade advisor is an excellent idea, in fact a hardware testing tool
> > that scans PCI and USB bus and summarises the level of support for each
> > item by looking it up on the web would be an excellent tool. Thinking
> > about it there is no reason why such a tool shouldn't be available on
> > other operating systems too so that people can get a level of comfort
> > before switching to Ubuntu
> >
> 
> There's also the -s option to do-release-upgrade which does a test
> upgrade using an aufs overlay :)
> 
> Never tried it but it sounds fun. In theory you can undo the upgrade
> if it fails, rolling you back to the previous release.
> 

Once done, is this sort of ugrade useable?  To test if the upgrade 
works on the target machine? Then committed or rolled back?  Or 
can it just be rolled back if someway into the upgrade process there is 
a failure (eg lack if disk space)?

Tony