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Date: Wed, 07 May 2008 17:00:01 +0200
From: Gilles Guiot <gilles.guiot@saros.fr>
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Subject: [linux-lvm] device /dev/sdb1 not found or ignored by filtering
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To: linux-lvm@redhat.com

Hello Everybody

I have two raid 1 arrays on a Dell PowerEdge 2950,
1) 2*500 Go
2) 2*750 Go

I need to use LVM, to create a LV on the second raid array, in which i=20
will afterwards incorporate the first raid array. I have the latest=20
debian distro installed, with kernel updates, and LVM2 is installed.

I encounter my first problem when typing pvcreate /dev/sdb1. ( the=20
partition of the second raid array) I get the message :
device /dev/sdb1 not found or ignored by filtering
I checked /etc/lvm/lvm.conf, and I commented out the line about the filter.
After a reboot, no more luck. I tried to circumvent the problem by=20
booting with an ubuntu CD, but i get the same error message.
Could anybody tip me about what's wrong and more importantly suggest=20
solutions to me ? :-)

Thanks a lot in advance.


--=20
Gilles Guiot
Responsable exploitation informatique
T=EF=BF=BDl. : 01 53 23 02 20
gilles.guiot@saros.fr