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Gmane
From: Alan Cox <alan <at> lxorguk.ukuu.org.uk>
Subject: Re: Is btrfs ready to be default fs in F17 ?
Newsgroups: gmane.linux.redhat.fedora.general
Date: Sunday 6th November 2011 12:04:29 UTC (over 5 years ago)
> But what about those atractive features (some ZFS-like) the users would
like to
> have, e.g.:
> - checksumming
> - roll back
> - snapshots
> - pools
> 
> Is it possible to implement them on ext4 ?

Possibly but the entire point of ext4 was to grow ext3 and do so in a
maximally safe fashion. Some of the above you can do via LVM of course.

> Perhaps writing off ext4 in favor of btrfs in context of new features 
> development is premature ?

Doing btrfs development makes sense, but inflicting it by default on users
who really have no need for it isn't quite the same discussion. For
performance it's not showing any signs of being better than ext3/4 - in
fact on some media its massively underperforming them currently. The
funky feature set really isn't relevant to most users while their data
still being available most definitely *is*.

Alan
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