From mboxrd@z Thu Jan  1 00:00:00 1970
From: John L Fjellstad <john-hotplug@fjellstad.org>
Date: Wed, 23 Jun 2004 20:46:56 +0000
Subject: Re: udev and mkraid
Message-Id: <20040623204656.GA3312@fjellstad.org>
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References: <pan.2004.06.22.12.37.36.47922@leogic.com>
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To: linux-hotplug@vger.kernel.org


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On Wed, Jun 23, 2004 at 05:59:08AM -0700, Kevin P. Fleming wrote:
> that's not happening on your system, it would be interesting to find out=
=20
> why. It certainly happens on mine, and I rely on that behavior to boot=20
> my machines.

I just upgraded to 2.6.7, but this was true for 2.6.5 too. I'm using
Linus' original kernel...

On my server, which has RAID1, I have the raid code compiled into the
kernel.  AFAIK, it gets created by udev.  Using udevinfo, I can see that
md0 is a /block/md0, with these SYSFS information:
    SYSFS{dev}=3D"9:0"
    SYSFS{range}=3D"1"
    SYSFS{size}=3D"690560"
    SYSFS{stat}=3D"    1636        0    34472        0
		600583        0  4804664        0        0        0
		0"

For md1, I see these information:
  looking at class device '/sys/block/md1':
      SYSFS{dev}=3D"9:1"
      SYSFS{range}=3D"1"
      SYSFS{size}=3D"267257088"
      SYSFS{stat}=3D"   20071        0   261188        0
		  458504        0  3676670        0        0        0
		  0"

So the information does look like it is exported to sysfs.

On the workstation, I don't have raid code compiled in, and get no mdX
nodes created.

--=20
John L. Fjellstad
web: http://www.fjellstad.org/          Quis custodiet ipsos custodes

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