On Tue, 2017-06-06 at 17:19 +0800, Eryu Guan wrote:
> On Wed, May 31, 2017 at 09:08:20AM -0400, Jeff Layton wrote:
> > With btrfs, we can't really put the log on a separate device. What we
> > can do however is mirror the metadata across two devices and make the
> > data striped across all devices.
On Wed, May 31, 2017 at 09:08:20AM -0400, Jeff Layton wrote:
> With btrfs, we can't really put the log on a separate device. What we
> can do however is mirror the metadata across two devices and make the
> data striped across all devices. When we turn on dmerror then the
> metadata can fall back t
With btrfs, we can't really put the log on a separate device. What we
can do however is mirror the metadata across two devices and make the
data striped across all devices. When we turn on dmerror then the
metadata can fall back to using the other mirror while the data errors
out.
Note that the cu
