linux-kernel - Re: nic enumeration

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Message-ID: <827hl5hy3l.fsf@mid.bfk.de>
Date:	Fri, 09 Jul 2010 08:13:18 +0000
From:	Florian Weimer <fweimer@....de>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	"Loke\, Chetan" <Chetan.Loke@...scout.com>,
	Matt Domsch <Matt_Domsch@...l.com>,
	Michael Di Domenico <mdidomenico4@...il.com>,
	linux-net@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: nic enumeration

* Kay Sievers:

> Anyway, it's not recommended to do anything like this. On many distros
> it will cause trouble with the network scripts/services, which are run
> again for already active interfaces. Using the udevadm trigger
> 'hammer' on the running system may lead to all sorts of problems. This
> tool is usually only used at coldplug time during bootup.

There was a time when the Debian scripts were pretty robust.  But
maybe we've just been lucky.

> In general, there is no safe way, or a tool to do this. You have to
> know very well what you are doing. It's pretty common, that you
> disconnect yourself from a remote box if you try anything like this.

Yeah, but there should be a way to do this over OOB management,
without requiring a reboot. 8-(

-- 
Florian Weimer                <fweimer@....de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99
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