another interesting idea (zfs based upgrades)

[Kostas Georgiou]

On Thu, Mar 26, 2009 at 02:30:38PM -0400, Seth Vidal wrote:

>
>
> On Thu, 26 Mar 2009, Neal Becker wrote:
>
>> http://tech.xerces.com/unbreakable-upgrades-zfs-and-apt-get.geek
>>
>
> Here's how this would work in the yum world:
>
> 1. if any package from @core (or any of their deps) are being upgraded  
> then run an lvm snapshot and store it/add it to grub
> 2. proceed with update

This isn't going to work very well if /usr for example is on its own
logical volume, since the default is everything in one volume I suspect
that this is a bit uncommon.

Kostas