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Date:      Thu, 15 Jan 2009 17:32:48 +0000
From:      Ulf Lilleengen <ulf.lilleengen@gmail.com>
To:        Brian McCann <bjmccann@gmail.com>
Cc:        freebsd-questions <freebsd-questions@freebsd.org>, freebsd-geom@freebsd.org
Subject:   Re: gvinum & gjournal
Message-ID:  <20090115173248.GA1234@carrot>
In-Reply-To: <2b5f066d0901150414jc5dedecp83747bac1915057a@mail.gmail.com>
References:  <2b5f066d0901141323j7c9a194eo4606d9769279037e@mail.gmail.com> <20090115093352.GB1821@carrot> <2b5f066d0901150414jc5dedecp83747bac1915057a@mail.gmail.com>

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On tor, jan 15, 2009 at 07:14:25am -0500, Brian McCann wrote:
> On Thu, Jan 15, 2009 at 4:33 AM, Ulf Lilleengen
> <ulf.lilleengen@gmail.com> wrote:
> > Hi,
> >
> > It think that it touches it because the .p0 contains the gjournal metadata in
> > the same way that the volume does, so gjournal attaches to that before the
> > volume. One problem is that gjournal attaches to the "wrong" provider, but
> > it's also silly that the provider is exposed in the first place. A fix for
> > this is in a newer version of gvinum (as the plex is not exposed) if you're
> > willing to try.
> >
> > --
> > Ulf Lilleengen
> >
> 
> At this point, I'm willing to try anything, but preferably something
> that's stable since this will be done to at least 15 identical devices
> and sent out to various places, so I won't have physical access to the
> machines if something were to go wrong.  I looked into graid3 and
> booting off of a DOM/Flash card, but since I have 4 drives, that won't
> work since graid3 requires 2N+1 drives.  The stuff I've found on
> graid5 seems to say that it's all still really experimental and has
> some bugs in it still. :(
> 
Well, if you have the choice between and graid5 and gvinum I'd might go with
graid5. It's not included in head(yet) but from what I've read on the
mailinglist it seems to work (also included in FreeNAS). But I can't really
say anything as I've not tried it much. If you want to try the gvinum version
in progress (quite stable, although a few knits for advanced usage) can be
found here:

http://svn.freebsd.org/base/projects/gvinum 

Should work on both HEAD and RELENG_7.
-- 
Ulf Lilleengen



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