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Re: [PATCH] Skip partitions during OS probing

From: Lennart Sorensen
Subject: Re: [PATCH] Skip partitions during OS probing
Date: Mon, 11 Jul 2011 14:25:39 -0400
User-agent: Mutt/1.5.20 (2009-06-14)

On Mon, Jul 11, 2011 at 05:55:53PM +0200, Axel Kellermann wrote:
> > Partition numbers tend to get moved around quite frequently, so this
> > would be a fragile configuration, and require manual entry.  It would be
> Good point. I guess the proposed solution works well with internal HDDs,
> as they tend to always get the same device names during system
> initialization (at least I never observed different behaviour on my
> machine), but could be fragile for external drives.

I have observed it on internal drives.  If you have two controllers with
different drivers and disks on both then there is no predicting which
driver will load and initiallize first in some cases.  Switching to UUIDs
made the box much more reliable to boot (it was a 50/50 chance it would
boot with the disks in the "right" order and work).

> > better to automatically notice that the partition is a Win7 system
> I agree. But I guess on my machine it is not really grubs fault that the
> Win7 system partition is marked as bootable. I only have one of those
> Win7 licenses that come with recovery media, so I'm not able to do a
> manual, clean install and it seems the recovery installation always
> makes the system partition bootable. I'm probably not the only one
> experiencing this kind of faulty setup...
> > partition, and ignore it.  If you must explicitly exclude manually
> > chosen partitions, they should be specified by UUID.
> I guess we could work with UUIDs instead of partition names, but it also
> turns this little patch into something a bit more complicated. I'd be
> happy to look into it, but we should first decide if we really cover a
> use-case here or if the whole thing isn't worth the effort.

Len Sorensen

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