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Date:      Fri, 28 Apr 2000 22:28:16 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca>
Cc:        Matthew Dillon <dillon@apollo.backplane.com>, freebsd-stable@FreeBSD.ORG
Subject:   Re: Linux Emulation Root (was: Re: Linux emulation scripting fix to be committed to 5.x and 4.x wednesday) 
Message-ID:  <Pine.BSF.4.21.0004282227470.76749-100000@resnet.uoregon.edu>
In-Reply-To: <200004251530.IAA07614@passer.osg.gov.bc.ca>

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On Tue, 25 Apr 2000, Cy Schubert wrote:

> > I ran into a similar problem with ADSM -- it would happily back up
> > /compat/linux thinking it was backing up /.  I patched the linux mode KLD
> > to disable the /compat/linux path munging.  I tried to submit it back but
> > was shot down; the emulation people wanted a more general method, which I
> > assume included a way to define your own 'linux root'.  The discussion got
> > lost some time after that in -emulation.  
> 
> Legato for Linux backs up /, it just cannot restore to it.  Instead if
> you restore for example restore /etc/rc.local, it's restored to
> /compat/linux/etc/rc.local.  Any redirection using the Legato recover
> subcommand relocate to /etc does not work.  Mounting a unionfs (or nullfs)
> of / on some other directory and redirecting the restore to it does work.

You'll want my non-munging linux module patches if you ever want to
restore :)

Doug White                    |  FreeBSD: The Power to Serve
dwhite@resnet.uoregon.edu     |  www.FreeBSD.org



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