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git://sourceware.org/git/lvm2.git
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102 lines
2.9 KiB
Bash
102 lines
2.9 KiB
Bash
# Copyright (C) 2010 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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which mkfs.ext3 || exit 200
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# Get linux minor version
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linux_minor=$(echo `uname -r` | cut -d'.' -f3 | cut -d'-' -f1)
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test $linux_minor -ge 31 || exit 200
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. ./test-utils.sh
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check_logical_block_size()
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{
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local DEV_=$1
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local LOGICAL_BS=$2
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# Verify logical_block_size - requires Linux >= 2.6.31
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SYSFS_LOGICAL_BLOCK_SIZE=`echo /sys/block/$(basename $DEV_)/queue/logical_block_size`
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if [ -f "$SYSFS_LOGICAL_BLOCK_SIZE" ] ; then
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ACTUAL_LOGICAL_BLOCK_SIZE=`cat $SYSFS_LOGICAL_BLOCK_SIZE`
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test $ACTUAL_LOGICAL_BLOCK_SIZE = $LOGICAL_BS
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fi
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}
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lvdev_()
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{
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echo "$G_dev_/$1/$2"
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}
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test_snapshot_mount()
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{
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lvcreate -L 16M -n $lv1 $vg $dev1
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mkfs.ext3 $(lvdev_ $vg $lv1)
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mkdir test_mnt
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mount $(lvdev_ $vg $lv1) test_mnt
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lvcreate -L 16M -n $lv2 -s $vg/$lv1
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umount test_mnt
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# mount the origin
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mount $(lvdev_ $vg $lv1) test_mnt
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umount test_mnt
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# mount the snapshot
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mount $(lvdev_ $vg $lv2) test_mnt
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umount test_mnt
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rm -r test_mnt
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vgchange -an $vg
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lvremove -f $vg/$lv2
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lvremove -f $vg/$lv1
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}
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# FIXME add more topology-specific tests and validation (striped LVs, etc)
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NUM_DEVS=1
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PER_DEV_SIZE=33
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DEV_SIZE=$(($NUM_DEVS*$PER_DEV_SIZE))
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# ---------------------------------------------
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# Create "desktop-class" 4K drive
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# (logical_block_size=512, physical_block_size=4096, alignment_offset=0):
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LOGICAL_BLOCK_SIZE=512
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prepare_scsi_debug_dev $DEV_SIZE \
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sector_size=$LOGICAL_BLOCK_SIZE physblk_exp=3
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check_logical_block_size $SCSI_DEBUG_DEV $LOGICAL_BLOCK_SIZE
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aux prepare_vg $NUM_DEVS $PER_DEV_SIZE
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test_snapshot_mount
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vgremove $vg
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cleanup_scsi_debug_dev
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# ---------------------------------------------
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# Create "desktop-class" 4K drive w/ 63-sector DOS partition compensation
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# (logical_block_size=512, physical_block_size=4096, alignment_offset=3584):
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LOGICAL_BLOCK_SIZE=512
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prepare_scsi_debug_dev $DEV_SIZE \
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sector_size=$LOGICAL_BLOCK_SIZE physblk_exp=3 lowest_aligned=7
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check_logical_block_size $SCSI_DEBUG_DEV $LOGICAL_BLOCK_SIZE
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aux prepare_vg $NUM_DEVS $PER_DEV_SIZE
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test_snapshot_mount
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vgremove $vg
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cleanup_scsi_debug_dev
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# ---------------------------------------------
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# Create "enterprise-class" 4K drive
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# (logical_block_size=4096, physical_block_size=4096, alignment_offset=0):
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LOGICAL_BLOCK_SIZE=4096
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prepare_scsi_debug_dev $DEV_SIZE \
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sector_size=$LOGICAL_BLOCK_SIZE
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check_logical_block_size $SCSI_DEBUG_DEV $LOGICAL_BLOCK_SIZE
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aux prepare_vg $NUM_DEVS $PER_DEV_SIZE
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test_snapshot_mount
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vgremove $vg
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