Gentoo Archives: gentoo-user

From: Dan Johansson <Dan.Johansson@×××.nu>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] SOLVED pvcreate on a dmraid device
Date: Fri, 04 Nov 2005 21:30:27
Message-Id: 200511042219.51863.Dan.Johansson@dmj.nu
In Reply to: Re: [gentoo-user] pvcreate on a dmraid device by Richard Fish
1 On Friday 04 November 2005 21.35, Richard Fish wrote:
2 > Dan Johansson wrote:
3 > >I'm trying to setup a new Linux-server with an on board RAID-controller
4 > >(Promise PDC20265 FastTrak100 Lite/Ultra100). Now everything goes well
5 > > until I try to do a pvcreate on one of the raid-partitions, this is the
6 > > output I get:
7 > ># pvcreate /dev/mapper/pdc_edcfibbf4
8 > > Device /dev/mapper/pdc_edcfibbf4 not found.
9 > >
10 > >But the device-file is there (along with the other partitions).
11 > >
12 > ># ll /dev/mapper/pdc_edcfibbf*
13 > >brw------- 1 root root 253, 7 Nov 4 18:22 /dev/mapper/pdc_edcfibbf
14 > >brw------- 1 root root 253, 8 Nov 4 18:22 /dev/mapper/pdc_edcfibbf1
15 > >brw------- 1 root root 253, 9 Nov 4 18:22 /dev/mapper/pdc_edcfibbf2
16 > >brw------- 1 root root 253, 10 Nov 4 18:22 /dev/mapper/pdc_edcfibbf3
17 > >brw------- 1 root root 253, 11 Nov 4 18:22 /dev/mapper/pdc_edcfibbf4
18 >
19 > I suspect the devices are being filtered. Take a look at
20 > /etc/lvm/lvm.conf, and try running pvcreate with "-vv" to see how it is
21 > probing the devices. You might need to add a 'filter = [ a/pdc_*/" ]'
22 > option to lvm.conf.
23
24 I got a tip on the LVM mailinglist and now it works. I had to change my lvm2
25 "devices" configuration in /etc/lvm/lvm.conf to include:
26 types = [ "device-mapper", 254 ]
27
28 Regards,
29 --
30 Dan Johansson, <http://www.dmj.nu>
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