Plans for BTRFS in Fedora

Josef Bacik josef at
Wed Feb 23 01:26:19 UTC 2011

2011/2/22 Jóhann B. <johannbg at>:
> On Tue, 2011-02-22 at 14:51 -0500, Josef Bacik wrote:
>> So what are your thoughts?  Thanks,
> Will there be any performance penalties making this move?

Who knows, thats what testing is for :).  There are some things that
suck with BTRFS, but so it goes with filesystems.

> I ran it on my workstation when F13 came out with updates+snapshots and while updating my desktop responsiveness was well not so good.
> Novice end users tools ( GUI ) and policy to clean those snapshots and perhaps storing those snapshots in it's own directory and or partition rather than directly on / need be in place before we implement this as an default.

They would be helpful, but not necessary.

> I suggest people try it during the F15 atleast those that are considering as an default to catch any potential usability issues it did not eat any babes from me when I ran it.
> I think we should also ask ourselves these questions..
> What benefit will this switch bring to the novice desktop end users?

Various things, better data integrity to start with, and if you
install the yum-fs-snapshot you have the ability to rollback easily.

> Will the novice desktop end user ever take advantages of any of the features that btrfs brings?

At the very least you get better data integrity via our checksumming
and duplicate metadata on single spindle fs's.  Thanks,


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