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Date: Wed, 7 Apr 2004 12:54:04 -0500
From: Alasdair G Kergon <agk@redhat.com>
Subject: Re: [linux-lvm] Snapshots failing w/ kernel 2.6.4
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	from lars@oddbit.com on Wed, Apr 07, 2004 at 01:38:15PM -0400
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To: LVM general discussion and development <linux-lvm@redhat.com>

On Wed, Apr 07, 2004 at 01:38:15PM -0400, Lars Kellogg-Stedman wrote:
> When I try to create a snapshot of a 50g LV named 'home':
> 	# lvm lvcreate -s -L 5g -n home.snap0 /dev/vg0/home
 
> I receive the following error:
> 	device-mapper ioctl cmd 9 failed: Invalid argument

> Is this a known problem?
 
The kernel you're running does not support snapshots yet.
Snapshot support for 2.6 is currently being tested - watch the dm-devel
list to keep up with progress.

Alasdair
-- 
agk@redhat.com