Re: Request for discussion

From: ao@morpork.shnet.org (A. Ott)
Subject: Re: Request for discussion
Date: 28 Dec 1998 17:32:00 +0100

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  To subject Re: Request for discussion
  proberts@clark.net (Paul D. Robertson)  wrote:
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> On 27 Dec 1998, A. Ott wrote:
>
> > > Maybe a single-user mode program to convert from prior versions with
> > > automatic support for the previous official release?
> >
> > There is no user mode access to the files, and there should be none. So it
> > must be in the kernel. Currently they are converted on read (= mount time)
> > and marked as dirty, so they are written as soon as possible in the new
> > format. This process is repeatable because of the version number.
>
> Right, what I was getting at was to bring the system back up in "normal"
> mode, then run a conversion utility.  That way there would be a defined
> event for the change, but you wouldn't have to maintain several versions'
> worth in kernel space.
>
> I think that for a major upgrade of several version this would be
> acceptable, but I also think I'd be 2 releases behind current code in a
> production environment.

The kernel space used for conversion is not much, and it is very  
convenient. I even thought about keeping 2 or 3 older aci versions,  
spreading over at least as many release versions.

In my idea there should be as few 'normal' boots necessary as possible to  
avoid attribute confusion, but the rsbac_check should be able to handle  
that.

Still there is a point in explicit conversion - especially for the way back,
if ever necessary.

> > To unsubscribe ao@morpork.shnet.org (A. Ott) from the rsbac list, send  
a
> > mail to majordomo@morpork.shnet.org with
> > unsubscribe rsbac
> > as single line in the body.
>
> We probably don't want to do this ;)

I don't hope so...

Did I get anything wrong in the list setup?

Amon.

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