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# 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
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. ./test-utils.sh
log_name_to_count( )
{
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if [ " $1 " = "mirrored" ] ; then
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echo 2
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elif [ " $1 " = "disk" ] ; then
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echo 1
else
echo 0
fi
}
# FIXME: For test_[up|down]convert, I'd still like to be able
# to specifiy devices - especially if I can do partial PV
# specification for down-converts. It may even be wise to
# do one round through these tests without specifying the PVs
# to use and one round where we do.
# test_lvconvert
# start_mirror_count: The '-m' argument to create with
# start_log_type: core|disk|mirrored
# final_mirror_count: The '-m' argument to convert to
# final_log_type: core|disk|mirrored
# active: Whether the LV should be active when the convert happens
#
# Exmaple: Convert 3-way disk-log mirror to
# 2-way disk-log mirror while not active
# -> test_lvconvert 2 disk 3 disk 0
test_lvconvert( )
{
local start_count = $1
local start_count_p1 = $(( $start_count + 1 ))
local start_log_type = $2
local finish_count = $3
local finish_count_p1 = $(( $finish_count + 1 ))
local finish_log_type = $4
local dev_array = ( $dev1 $dev2 $dev3 $dev4 $dev5 )
local start_log_count
local finish_log_count
local max_log_count
local alloc = ""
local active = true
local i
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if [ " $start_log_type " = "disk" ] &&
[ " $finish_log_type " = "mirrored" ] ; then
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echo "FIXME: disk -> mirrored log conversion not yet supported by LVM"
return 0
fi
test " $5 " = "active" && active = false
#test $finish_count -gt $start_count && up=true
# Do we have enough devices for the mirror images?
if [ $start_count_p1 -gt ${# dev_array [@] } ] ; then
echo "Action requires too many devices"
return 1
fi
# Do we have enough devices for the mirror images?
if [ $finish_count_p1 -gt ${# dev_array [@] } ] ; then
echo "Action requires too many devices"
return 1
fi
start_log_count = ` log_name_to_count $start_log_type `
finish_log_count = ` log_name_to_count $finish_log_type `
if [ $finish_log_count -gt $start_log_count ] ; then
max_log_count = $finish_log_count
else
max_log_count = $start_log_count
fi
prepare_vg 5
if [ $start_count -gt 0 ] ; then
# Are there extra devices for the log or do we overlap
if [ $(( $start_count_p1 + $start_log_count )) -gt ${# dev_array [@] } ] ; then
alloc = "--alloc anywhere"
fi
lvcreate -l2 -m $start_count --mirrorlog $start_log_type \
-n $lv1 $vg $alloc
check mirror_legs $vg $lv1 $start_count_p1
# FIXME: check mirror log
else
lvcreate -l2 -n $lv1 $vg
fi
lvs -a -o name,copy_percent,devices $vg
if ! $active ; then
lvchange -an $vg /$lv1
fi
# Are there extra devices for the log or do we overlap
if [ $(( $finish_count_p1 + $finish_log_count )) -gt ${# dev_array [@] } ] ; then
alloc = "--alloc anywhere"
fi
echo y | lvconvert -m $finish_count --mirrorlog $finish_log_type \
$vg /$lv1 $alloc
if ! $active ; then
lvchange -ay $vg /$lv1
fi
check mirror_no_temporaries $vg $lv1
if [ " $finish_count_p1 " -eq 1 ] ; then
check linear $vg $lv1
else
if test -n " $alloc " ; then
check mirror_nonredundant $vg $lv1
else
check mirror $vg $lv1
fi
check mirror_legs $vg $lv1 $finish_count_p1
fi
}
aux prepare_vg 5
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test_many( ) {
i = $1
for j in $( seq 0 3) ; do
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for k in core disk mirrored; do
for l in core disk mirrored; do
if test " $i " -eq " $j " && test " $k " = " $l " ; then continue ; fi
: ----------------------------------------------------
: " Testing mirror conversion -m $i / $k -> -m $j / $l "
: ----------------------------------------------------
test_lvconvert $i $k $j $l 0
test_lvconvert $i $k $j $l 1
done
done
done
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}