another interesting idea (zfs based upgrades)

[Seth Vidal]

On Fri, 27 Mar 2009, Kostas Georgiou wrote:

> 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.

it's a backup mechanism - one size RARELY fits all.

-sv