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Date: Thu, 29 Oct 2009 12:04:26 -0700
From: malahal@us.ibm.com
Subject: Re: [linux-lvm] Removing a very old physical drive - revisited
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Nicholas Robinson [npr@bottlehall.co.uk] wrote:
> The pvmove worked, I've moved the boot to the new disc, so my old disc
> is now effectively redundant. The problem is that, as I suspected, I
> can't pvmove off my usb drive!
> 
> I spotted these messages in /var/log/messages
> 
> Oct 29 03:44:06 oak kernel: device-mapper: table: device 8:2 too small
> for target
> Oct 29 03:44:06 oak kernel: device-mapper: table: 253:0: linear:
> dm-linear: Device lookup failed
> Oct 29 03:44:06 oak kernel: device-mapper: ioctl: error adding target to
> table

device 8:2 is /dev/sda2. Some one is trying to use /dev/sda2 with
incorrect values (start sector or length). This looks odd and this
happens only when you try 'pvmove' on the USB disk. What does the
pvdisplay on /dev/sda2 report its size (PV Size and is that accurate).
It maybe incorrect....

Thanks, Malahal.