BtrFS for five years report

Gabriel Gunderson gabe at
Mon Aug 28 17:14:04 MDT 2017

We had a pretty beefy server running BtrFS. It was magical until it
was painful. Nothing short of reverting to ext4 made the pain stop.

Bummer, but thanks for sharing.


On Mon, Aug 28, 2017 at 5:02 PM, Daniel Fussell <dfussell at> wrote:
> On 08/24/2017 08:37 PM, Michael Torrie wrote:
>> Anyway, thought I'd give an update, and I'd like to hear of anyone who's
>> using BtrFS on spinning disk and finds it's working well, or if anyone
>> knows how to fix my BtrFS problems!  There's so much potential with BtrFS.
> I wish I had good news, but one of my coworkers ran BtrFS for about a
> year, and the spinning disk just churned all the time.  He finally got
> tired of it and installed FreeBSD with ZFS, just to spite me.  Frankly,
> on his workstation ZFS is no picnic either.  I know of one group (not
> yours) that has a storage server built by
> the-vendor-formerly-known-as-Sun, and I've started hearing the group's
> storage performance has been dropping recently.  I don't know if that's
> because they don't know how to write efficiently, or if it's an artifact
> of ZFS as any particular filesystem ages from use.
> Myself, I still use XFS and ext4, and I've been toying with zbackup to
> deal with my zfs send/recv envy.
> ;-Daniel
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