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Date: Tue, 09 Feb 2010 22:38:13 -0800
From: "Linda A. Walsh" <lvm@tlinx.org>
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Subject: [linux-lvm] lvextend docmentation vs. implementation (lvm2-2.02.39),
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To: linux-lvm@redhat.com

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.

Advice?
thanks,
-linda