Re: rootfs snapshots and rollback (i.e. testing updates)

[John Dong <jdong@ubuntu.com>]

Hi,

I asked this question about a month ago, and the answer is roughly  
"It's theoretically possible with minor feature implementations to  
btrfs, though nobody's done it yet"
On Nov 9, 2009, at 10:00 AM, Tomasz Chmielewski wrote:

> Is it possible, with current btrfs:
>
> - to take a rootfs snapshot (i.e. prior to a major update),
>
> - do changes in the root filesystem (i.e. install major update),
>
> - if we don't like what the major update did to the system (rootfs),  
> "rollback" the snapshot and make it the "original" rootfs again  
> (perhaps, with a reboot in between).
>
>
>
> If it's possible, what would be the steps/commands?
>
>
> -- 
> Tomasz Chmielewski
> http://wpkg.org
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