From: Kelly Sauke <ksauke@fastenal.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] LVM and Device Mapper
Date: Fri, 16 Jun 2006 08:25:36 -0500 [thread overview]
Message-ID: <4492B150.8070604@fastenal.com> (raw)
In-Reply-To: <5485940d0606152014i4f309594o70efbe2568641b2a@mail.gmail.com>
Add "a|/dev/mapper/mpath.*|" to the filter= line of your lvm.conf as such.
filter = [ "a|/dev/sda2|", "a|/dev/mapper/mpath.*|", "r/.*/" ]
Then make sure your types= variable has device-mapper in it.
types = [ "device-mapper", 1 ]
That should be all you need.
C'est Pierre wrote:
> Hello,
>
> I've setup multipath with multipath-tools and I guess everything is OK
> there. However, I can't get lvm to recognize the multipath'ed devices:
>
> # dmsetup ls
> 3600508b40010130d00006000011c0000p1 (253, 4)
> system-lv03 (253, 2)
> system-lv01 (253, 1)
> system-lv00 (253, 0)
> dm-3p2 (253, 7)
> dm-3p1 (253, 6)
>
> cabtagdb01:~ # fdisk -l /dev/dm-3
>
> Disk /dev/dm-3: 53.6 GB, 53687091200 bytes
> 64 heads, 32 sectors/track, 51200 cylinders
> Units = cylinders of 2048 * 512 = 1048576 bytes
>
> Device Boot Start End Blocks Id System
> /dev/dm-3p1 1 1 1008 83 Linux
> /dev/dm-3p2 2 51200 52427776 8e Linux LVM
> cabtagdb01:~ # fdisk -l /dev/mapper/3600508b40010130d00006000011c0000
>
> Disk /dev/mapper/3600508b40010130d00006000011c0000: 53.6 GB, 53687091200
> bytes
> 64 heads, 32 sectors/track, 51200 cylinders
> Units = cylinders of 2048 * 512 = 1048576 bytes
>
> Device Boot Start
> End Blocks Id System
> /dev/mapper/3600508b40010130d00006000011c0000p1 1
> 1 1008 83 Linux
> /dev/mapper/3600508b40010130d00006000011c0000p2 2
> 51200 52427776 8e Linux LVM
>
>
> # pvcreate /dev/dm-3p2
> Device /dev/dm-3p2 not found.
>
> # pvcreate /dev/mapper/3600508b40010130d00006000011c0000p2
> Device /dev/mapper/3600508b40010130d00006000011c0000p2 not found.
>
> Does anyone have any guess on what the problem might be? I seem to be
> one-step from getting this solved and I am going through these
> hassles.
>
> Thank you,
> Pierre
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
next prev parent reply other threads:[~2006-06-16 13:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-16 3:14 [linux-lvm] LVM and Device Mapper C'est Pierre
2006-06-16 13:25 ` Kelly Sauke [this message]
2006-06-16 15:14 ` C'est Pierre
2006-06-16 15:20 ` Kelly Sauke
2006-06-17 0:42 ` Luca Berra
2006-06-20 13:02 ` C'est Pierre
2006-06-16 18:13 ` Zac Slade
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