From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Michael <rmichael-hotplug@edgeofthenet.org>
Date: Tue, 03 Jul 2007 17:16:58 +0000
Subject: ENV{DEVNAME} in remove rule?
Message-Id: <20070703171658.GB27375@server>
List-Id: <linux-hotplug.vger.kernel.org>
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To: linux-hotplug@vger.kernel.org

Hello,

I'm learning my way around udev, and have written these rules to add a
device:

KERNEL=3D"sd*[!0-9]", ENV{ID_SERIAL}=3D"", IMPORT{program}=3D"/lib/udev/usb=
_id -x"
KERNEL=3D"sd*[!0-9]", ENV{ID_TYPE}=3D"?*", IMPORT{program}=3D"/lib/udev/pat=
h_id %p"
KERNEL=3D"sd*[!0-9]", ENV{ID_PATH}=3D"*usb-0:6:1.0*", NAME=3D"storage/raid-=
$env{ID_BUS}-%M-%m"

I want to run a command when it is removed, so I've written these rules:
(The first rule is a catch-all where I do "set >> /tmp/debug" to see
what's available in the environment..)

SUBSYSTEM=3D"*", RUN+=3D"/root/udev-catch-remove"
ENV{DEVNAME}=3D"/dev/storage/raid-*", RUN+=3D"/root/raid_management"

When the device is disconnected, "udevmonitor --env" shows me:
(DEVNAME appears just as I hoped..)

UDEV  [1183481937.246643] remove   /block/sdc (block)
UDEV_LOG=3D7
ACTION=3Dremove
DEVPATH=3D/block/sdc
SUBSYSTEM=3Dblock
SEQNUM=1266
MINOR2
MAJOR=3D8
PHYSDEVPATH=3D/devices/pci0000:00/0000:00:0b.1/usb2/2-6/2-6:1.0/host15/targ=
et15:0:0/15:0:0:0
PHYSDEVBUS=3Dscsi
PHYSDEVDRIVER=3Dsd
UDEVD_EVENT=3D1
ID_VENDOR=3DMaxtor_6
ID_MODEL=E040L0
ID_REVISION=0811
ID_SERIAL=3DMaxtor_6_E040L0
ID_TYPE=3Ddisk
ID_BUS=3Dusb
ID_PATH=3Dpci-0000:00:0b.1-usb-0:6:1.0-scsi-0:0:0:0
DEVLINKS=3D/dev/disk/by-id/usb-Maxtor_6_E040L0 /dev/disk/by-path/pci-0000:0=
0:0b.1-usb-0:6:1.0-scsi-0:0:0:0
DEVNAME=3D/dev/storage/raid-usb-8-32


But, my command /root/raid_management is never run, as if udev isn't
matching ENV{DEVNAME}.

What have I misunderstood?

This is on Fedora 7 machine, using (slightly old) udev 106.
("rpm -q udev" =3D  udev-106-4.fc7)


Thanks,
Richard

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