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Re: Autoconfiguring root device and fstab(5) (wedges?)
On Sat, Mar 26, 2011 at 12:58:43PM +0100, Jean-Yves Migeon wrote:
> Hi list,
> I am currently adding support for Xen dom0/domU with anita, our
> automated installation and testing tool.
> The current system uses QEMU to install a full-fledged OS to run ATF
> tests. For convenience, I would like to reuse the same image for testing
> native, dom0 and domU environments.
> Thing is: the root device is different for domU and native/dom0 (xbd0 vs
> wd0). This causes failures everywhere during boot, due to improper
> fstab(5) entry for /.
> Andreas suggested me to try wedges. They do work, as they autoconfigure
> properly, but current kernels do not have DKWEDGE_METHOD_BSDLABEL turned
> on by default (and won't have it in the near future I believe, given all
> the breakage it imposes with current setups).
> Any other way to autodetect root device while keeping fstab(5)
> untouched? I want to avoid newbtconf(8) (this will need a couple extract
> commands in anita to use it), or playing dirty tricks with symlinks to
> different fstab(5) depending on boot device...
I would use a autoconfigured raid device. A raid-1 with a single
device would work; maybe a raid-0 device would work too.
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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