[Ocfs2-tools-users] heartbeat issue with ocfs2 on debian

[Joel Becker]

On Tue, Nov 17, 2009 at 12:29:49PM +0200, Dameon Wagner wrote:
> On Mon, Nov 16, 2009 at 11:35:10AM -0800, Joel Becker scribbled in
> > Big question: is the dom0 mounting the LVM2 volume via AOE or via
> > direct block device access?
> 
> I am/was mounting the LVM2 volume directly on the dom0, and via AOE on
> the domU.  I had originally wanted to mount them both as AOE as that
> is probably how I will move it into production (simple storage box
> that won't consume any of the volumes it publishes via AOE, and
> "remote" boxes that actually mount the volumes).  However, the
> aoe-tools/vblade setup I have didn't seem to make the AOE volume
> available to the dom0, so I figured I'd just mount the LV.  I honestly
> just thought that as a block device it wouldn't make a difference.

	You're seeing someone (probably AOE) caching data in memory.  If
either path is caching some data, the other path can't see it.  Hence it
seems out of sync.

> Anyway, long-story-short, using vblade twice on the same LV, once for
> lo, and once for eth0, seems to have solved the issue, and given me
> _exactly_ what I was after -- quick test edits on one host show up
> (effectively) immediately on the other host, and no errors appearing
> in either hosts logfiles.  In other words "thanks Joel!"

	I'm glad it's working!
 
> Cool, good to know.  Any idea when ACLs will be working? (Probably
> answered in the ocfs2-users archive, which I'm trawling through at the
> moment).

	ocfs2 1.6 for released versions.  They've been in mainline for a
while.

Joel

-- 

"But all my words come back to me
 In shades of mediocrity.
 Like emptiness in harmony
 I need someone to comfort me."

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127