Re: md raid1 passes barriers, but xfs doesn't use them?

[Martin Steigerwald <Martin@xxxxxxxxxxxx>]

Am Dienstag 24 Juni 2008 schrieb Eric Sandeen:
> Martin Steigerwald wrote:
> > Hi Eric!

[...]

> > Did you test with ext3 too?
>
> This is xfs-specific; ext3 does not look for the queue ordered flag so
> won't have this problem on md raid1.
>
> > [1] http://bugzilla.kernel.org/show_bug.cgi?id=9554
>
> but that's for device-mapper, which has never supported barriers ....
> I'm talking about md raid1 here (not dm).

Thanks for the info. My misunderstanding - I always thought and I thought 
I even read it somewhere - that md was  a device mapper application.

Ciao,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
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