Date: Fri, 28 Jul 2000 11:08:27 +0200 From: Wilko Bulte <wkb@freebie.demon.nl> To: Matthew Jacob <mjacob@feral.com> Cc: Adrian Chadd <adrian@freebsd.org>, freebsd-arch@freebsd.org Subject: Re: How much do we need the all-singing, all-dancing devfs? Message-ID: <20000728110827.A3470@freebie.demon.nl> In-Reply-To: <Pine.BSF.4.10.10007271844460.59725-100000@beppo.feral.com>; from mjacob@feral.com on Thu, Jul 27, 2000 at 06:47:13PM -0700 References: <20000727094015.B71137@ywing.creative.net.au> <Pine.BSF.4.10.10007271844460.59725-100000@beppo.feral.com>
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On Thu, Jul 27, 2000 at 06:47:13PM -0700, Matthew Jacob wrote:
>
> > Matt - if I understand your initial idea right, all you wanted was a way
> > to map a fibrechannel disk label to a name in a devfs, so that when the
> > underlying device shifted 'address', you would still be able to reference
> > it without difficulty? Was there anything else ?
>
> No- I want to map a *device*- I don't *particularly* care what it's name is
> (the thing put in /etc/fstab or handed to 'mt')- but I do not necessarily want
> to have to write to it (for a label) to address it. I can guarantee that the
After all this is not NT ('it is harmless to write a signature').
> address won't shift while the system is running.
Can you? Assuming a LIP on a FC-AL that is setup for soft addressing and
where devices come/go.
> The other aspect of this is that these are unique names. This makes High
> Availability device management a *snap*. It's WWNXXXXX on all systems on the
> same fabric.
Yep.. and that is what you really want.
--
Wilko Bulte wilko@freebsd.org
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