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#!/bin/sh
# Copyright (C) 2014 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 thin profile functionality
#
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export LVM_TEST_THIN_REPAIR_CMD = ${ LVM_TEST_THIN_REPAIR_CMD -/bin/false }
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. lib/inittest
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test -e LOCAL_LVMPOLLD && skip
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DEV_SIZE = 32
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# check we have thinp support compiled in
aux have_thin 1 0 0 || skip
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aux prepare_profiles "thin-performance"
# Create scsi debug dev with sector size of 4096B and 1MiB optimal_io_size
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aux prepare_scsi_debug_dev $DEV_SIZE sector_size = 4096 opt_blks = 256 || skip
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EXPECT = 1048576
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check sysfs " $( < SCSI_DEBUG_DEV) " queue/optimal_io_size " $EXPECT "
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aux prepare_pvs 1 $DEV_SIZE
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# Check we are not running on buggy kernel (broken lcm())
# If so, turn chunk_size test into 'should'
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check sysfs " $dev1 " queue/optimal_io_size " $EXPECT " || SHOULD = should
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vgcreate $vg " $dev1 "
# By default, "generic" policy is used to
# calculate chunk size which is 64KiB by default
# or minimum_io_size if it's higher. Also, zeroing is used
# under default operation.
lvcreate -L8m -T $vg /pool_generic
check lv_field $vg /pool_generic profile ""
check lv_field $vg /pool_generic chunk_size 64.00k
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check lv_field $vg /pool_generic zero "zero"
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# If "thin-performance" profile is used, the "performance"
# policy is used to calculate chunk size which is 512KiB
# or optimal_io_suize if it's higher. Our test device has
# 1MiB, so that should be used. Also, zeroing is not used
# under "thin-perforance" profile.
lvcreate --profile thin-performance -L8m -T $vg /pool_performance
check lv_field $vg /pool_performance profile "thin-performance"
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$SHOULD check lv_field $vg /pool_performance chunk_size 1.00m
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check lv_field $vg /pool_performance zero ""
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vgremove -ff $vg
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if test -d " $DM_DEV_DIR / $vg " ; then
should not echo " Udev has left \" $DM_DEV_DIR / $vg \"! "
rm -rf " $DM_DEV_DIR / $vg "
fi
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# The profile must be also applied if using the profile
# for the whole VG - any LVs inherit this profile then.
vgcreate --profile thin-performance $vg " $dev1 "
lvcreate -L8m -T $vg /pool_performance_inherited
# ...the LV does not have the profile attached, but VG does!
check vg_field $vg profile "thin-performance"
check lv_field $vg /pool_performance_inherited profile ""
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$SHOULD check lv_field $vg /pool_performance_inherited chunk_size 1.00m
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check lv_field $vg /pool_performance_inherited zero ""