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Subject: RE: prom changes for ext3 support
Date: Thu, 28 Jun 2007 10:53:13 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E0451DFA8@onstor-exch02.onstor.net>
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Thread-Topic: prom changes for ext3 support
Thread-Index: Ace5tNtXA1iGfFo4TMScSQP0s9C+UwAACw8w
References: <BB375AF679D4A34E9CA8DFA650E2B04E0451DF73@onstor-exch02.onstor.net><20070628112940.75f17c33@ripper.onstor.net><BB375AF679D4A34E9CA8DFA650E2B04E0451DF87@onstor-exch02.onstor.net> <20070628114802.0239a5a2@ripper.onstor.net>
From: "Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>

Somebody always has to downgrade - something happens by coincidence,
they blame it one new release, panic and want to go back. Messing with
the environment variables is the last thing you want them to do at this
point.

What is so hard to make it right about autodetection? Try the first one,
if it does not work, try another, if the other does not work, stop.

-----Original Message-----
From: Andy Sharp=20
Sent: Thursday, June 28, 2007 11:48 AM
To: Maxim Kozlovsky
Subject: Re: prom changes for ext3 support

Who's going to downgrade?  No one.  Yes, the PROM upgrade will have
linux as the default boot.  There's no hassle there.

Detecting is hard to make non-buggy.  It will be hard enough just to
get ext2fs support and the other stuff in there.  That's all I'm
saying.  If we have to ship w/o detection, I'm fine with that.

Cheers,

a

On Thu, 28 Jun 2007 11:33:20 -0700 "Maxim Kozlovsky"
<maxim.kozlovsky@onstor.com> wrote:

> It needs to detect, otherwise the upgrade process will have to set the
> said environment variable. In case the customer wants to downgrade,
> the environment variable has to be modified as well instead of simply
> rebooting back from the original flash. It would be much easier for
> everybody if there is one less thing to worry about.
>=20
> -----Original Message-----
> From: Andy Sharp=20
> Sent: Thursday, June 28, 2007 11:30 AM
> Cc: dl-Cougar
> Subject: Re: prom changes for ext3 support
>=20
> On Thu, 28 Jun 2007 11:17:43 -0700 "Maxim Kozlovsky"
> <maxim.kozlovsky@onstor.com> wrote:
>=20
> > Hello Warren,
> >=20
> > Just want to make sure that there will be no confusion. After the
> > changes to PROM to support ext3 boot, it should support both bsd and
> > ext3 and should detect the type of the partition and filesystem at
> > runtime.
>=20
> I don't think it needs to detect.  I'm happy if there is an
> environment variable that specifies to boot linux or boot bsd.  If it
> doesn't work, can't find the partition or the file, then too bad.
> But I do want to be able to specify the file to boot, ie., I want to
> be able to boot an arbitrary file on the compact flash, or at least
> an arbitrary file in a specific directory.  Currently it only
> boots /bsd IIRC.
>=20
> Cheers,
>=20
> a
