Re: Udev, USB and LVM

[Henrique de Moraes Holschuh <hmh@debian.org>]

On Wed, 11 Jan 2006, Andy Hawkins wrote:
> Can anyone tell me what I need to do (presumably in udev) to arrange for
> vgscan and vgchange to be exectued when this drive is detected? I already

First, make sure /etc/lvm/lvm.conf allows scanning of the devices the USB
disk will show up as.

Then, make sure to call /etc/init.d/lvm start *after* the USB device is
available (that might well mean you need to call /etc/init.d/lvm start
twice...)

> have udev rules to give it a persistent name, so udev is set up to some
> extent. What I need now is to be able to execute some script (presumably
> from udev) when this drive is detected.

Well, you could call /etc/init.d/lvm start.  That will make all lv present
in the system active (as long as /etc/lvm/lvm.conf allows lvm to find the
pvs and consequently, vgs...)

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh