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Date: Wed, 10 Feb 2010 08:22:23 +0000
From: Christine Caulfield <ccaulfie@redhat.com>
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Subject: Re: [linux-lvm] lvextend docmentation vs. implementation
 (lvm2-2.02.39), Suse-11.1
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On 10/02/10 06:38, Linda A. Walsh wrote:
> I have been trying to use the lvextend command using the documented
> size format: of +[number][%{LV|PV|VG|FREE}] --
> specifically
> +50%LV.
>
> tried multiple variations on LV -- no luck. Is this broken or
> is this just not working in my setup, or am I doing something
> wrong? It fails with:
> Invalid argument +5%LV
> Error during parsing of command line.
>
>
The %age features are part of the -l switch, so the command line would 
be something like:

# lvextend -l30%VG storage/lvol0

That worked for ma anyway. If it still doesn't work your LVM tools might 
be too old

Chrissie