Re: another interesting idea (zfs based upgrades)

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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

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