|Subject:||Re: RFC: Btrfs snapshots feature for F13|
|Date:||Tue, 17 Nov 2009 10:15:19 -0500 EST|
On Tue, 17 Nov 2009, James Antill wrote:
On Tue, 2009-11-17 at 08:10 -0500, Josef Bacik wrote:On Tue, Nov 17, 2009 at 2:48 AM, Jeff Garzik <jgarzik@xxxxxxxxx> wrote:As the URL notes under "Detailed Description," that is not handled at all. It wraps all file I/O, yum or not, into the snapshot.Yeah but you can't roll back userland transactions. Not to mention you are talking about an interface that may change quite a bit over the next year.That seems like a significant limitation, I'm also not sure that the current transaction API would be usable by rpm. Anyway...We have snapshotting abilities now, and yes it's a big hammer, but just because its a bit of a blunt instrument doesn't mean we shouldn't take advantage of it.This implies that "all you have is a hammer" but you can already run "yum history undo".
which works up to a point. If the older pkgs you had prior to an update are not available anywhere history undo isn't going to be able to 'undo' but so much.
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