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From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: udevstart v udevtrigger
Date: Thu, 13 Jul 2006 22:21:20 +0000	[thread overview]
Message-ID: <20060713222120.GB7333@kroah.com> (raw)
In-Reply-To: <200607131359.39003.rich@storix.com>

On Thu, Jul 13, 2006 at 03:06:23PM -0700, Rich Turner wrote:
> we use udev when we perform a bare-metal restore of a system from a backup (if 
> the system that we created boot media from has it available). we use udev to 
> create device nodes in our boot media environment only. once the system is 
> rebuilt then the system's original udev support is used.
> 
> our only support requirement is that the system is running kernel 2.4 or 
> later. granted udev requires 2.6 so those systems are the only ones we are 
> discussing.
> 
> in short:
> we create the system installation boot media and include the following 
> udev-related files on the media:
> udev
> udevstart
> udevd (only if udev is not available and there is udevstart)
> /etc/udev/*
> 
> we use udev by running udevstart if we have udev command. or we start udevd if 
> we do not have the udev command and then run udevstart. this is creating all 
> necessary device nodes.
> 
> i have not tested this yet, but my thoughts are to add udevtrigger to the boot 
> media. then if there is not a udevstart command create a link 
> udevstart->udevtrigger. that way i will not have to make changes everywhere 
> else in the software where i do run udevstart.
> 
> i guess the question is can i treat udevstart and udevtrigger as the same 
> command?
> 
> will udevtrigger provide me with the same results as udevstart?

Yes, it should, it just depends on the kernel version running.

thanks,

greg k-h


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  parent reply	other threads:[~2006-07-13 22:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-13 20:59 udevstart v udevtrigger Rich Turner
2006-07-13 21:29 ` Greg KH
2006-07-13 22:06 ` Rich Turner
2006-07-13 22:21 ` Greg KH [this message]
2006-07-13 23:59 ` Kay Sievers
2006-07-14 16:49 ` Rich Turner
2006-07-14 17:09 ` Andrey Borzenkov

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