linux-kernel - Re: renaming kernel devices [was: VIA EPIA EK: strange eth dev numbering]

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Message-ID: <20070802145152.GB19346@localhost.localdomain>
Date:	Thu, 2 Aug 2007 16:51:52 +0200
From:	Ondrej Zajicek <santiago@...reenet.org>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
Cc:	Michael Tokarev <mjt@....msk.ru>,
	Herbert Rosmanith <kernel@...dsau.enemy.org>,
	linux-kernel@...r.kernel.org
Subject: Re: renaming kernel devices [was: VIA EPIA EK: strange eth dev numbering]

On Thu, Aug 02, 2007 at 01:47:23PM +0200, Jan Engelhardt wrote:
> It does not rename ethX to the "next free" one, but to a _persistent_ one.
> If it were a "next free" thing, then removing a card would shuffle all
> your eth around again (and invalidate your iptables rules at the same
> time, to note).

It is questionable what is _persistent_ . MAC-based names are persistent
with regard to adding and removing of other cards, 'Plain' names are persistent
with regard to replacing that card with different item (of a same kind).

I am very happy that (using 'plain' names) i can send technician to
replace broken NIC in our routers without need for configuration
change.

-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago@...reenet.org, jabber: santiago@....netlab.cz)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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