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[lvm-devel] [PATCH] Test for vgchange -an v. max_lv interaction (BZ 509182)



Hi,

I am attaching a script that should reproduce BZ 509182 -- however, I
have been unable to get the error with current CVS, so I believe the bug
has been actually fixed, or the report is missing an important piece of
information (I have tried iterating it a whole lot of times, and I also
made sure that dmeventd monitoring actually works; there's an useful
trick you can use when debugging your shell tests:

echo thread apply all bt > bt
gdb -batch -x bt . $LOCAL_DMEVENTD

). Btw. I adjusted the script to account for the different counting of
LVs for the max_lv limit in current versions.

(Intended to live as test/t-vgchange-maxlv.sh.)

Yours,
   Petr.

#!/bin/bash
# Copyright (C) 2010 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

. ./test-utils.sh

prepare_dmeventd
aux prepare_pvs 3

vgcreate -c n -l 2 $vg $dev1 $dev2 $dev3
lvcreate -n one -l 1 $vg
lvcreate -n two -l 1 $vg
not lvcreate -n three -l 1 $vg
vgchange -an $vg
vgremove -ff $vg

vgcreate -c n -l 3 $vg $dev1 $dev2 $dev3
lvcreate -n one -l 1 $vg
lvcreate -n snap -s -l 1 $vg/one
lvcreate -n two -l 1 $vg
not lvcreate -n three -l 1 $vg
vgchange --monitor y $vg
vgchange -an $vg 2>&1 | tee vgchange.out
not grep "event server" vgchange.out

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