Re: Write barrier support with LVM2/md

Chris Wedgwood
2006-09-22T22:41:04Z

On Fri, Sep 22, 2006 at 12:44:17PM +0200, Martin Lucina wrote:

> Is anyone working on a fix for this? It might be a good idea to add
> to the FAQ that write barriers are not supported on dm devices.

it's not really an XFS issue, it's that the md/dm/lvm layers don't
support write barriers (and it would in many cases be hard to support
without killing performance).