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533 lines
13 KiB
Bash
533 lines
13 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2020-23 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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test_description='refresh device ids if system changes'
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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test -d /sys/block/ram0 && skip "Ramdisk already loaded"
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test "$DM_DEV_DIR" = "/dev" || skip "Only works with /dev access -> make check LVM_TEST_DEVDIR=/dev"
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# requires trailing / to match dm
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SYS_DIR="$PWD/test/sys"
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aux lvmconf "devices/use_devicesfile = 1" \
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"devices/device_id_sysfs_dir = \"$SYS_DIR/\"" \
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'devices/global_filter = [ "a|.*|" ]' \
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"global/event_activation = 1"
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SERIAL1="S111"
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SERIAL2="S222"
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SERIAL3="S333"
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SERIAL4="S444"
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PRODUCT_UUID1="11111111-2222-3333-4444-555555555555"
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PRODUCT_UUID2="11111111-2222-3333-4444-666666666666"
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create_sysfs() {
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mkdir -p "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device"
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mkdir -p "$SYS_DIR/dev/block/$MAJOR2:$MINOR2/device"
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mkdir -p "$SYS_DIR/dev/block/$MAJOR3:$MINOR3/device"
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mkdir -p "$SYS_DIR/dev/block/$MAJOR4:$MINOR4/device"
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echo "$SERIAL1" > "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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echo "$SERIAL2" > "$SYS_DIR/dev/block/$MAJOR2:$MINOR2/device/serial"
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echo "$SERIAL3" > "$SYS_DIR/dev/block/$MAJOR3:$MINOR3/device/serial"
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echo "$SERIAL4" > "$SYS_DIR/dev/block/$MAJOR4:$MINOR4/device/serial"
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mkdir -p "$SYS_DIR/devices/virtual/dmi/id/"
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echo "$PRODUCT_UUID1" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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}
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remove_sysfs() {
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rm -rf "$SYS_DIR"
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}
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cleanup_and_teardown()
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{
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remove_sysfs
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rmmod brd
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aux teardown
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}
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trap 'cleanup_and_teardown' EXIT
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modprobe brd rd_nr=4 || skip
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sleep 1
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remove_sysfs
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dev1="/dev/ram0"
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dev2="/dev/ram1"
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dev3="/dev/ram2"
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dev4="/dev/ram3"
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DFDIR="$LVM_SYSTEM_DIR/devices"
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mkdir -p "$DFDIR" || true
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DF="$DFDIR/system.devices"
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ORIG="$DFDIR/orig.devices"
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touch "$DF"
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aux wipefs_a "$dev1"
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aux wipefs_a "$dev2"
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aux wipefs_a "$dev3"
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aux wipefs_a "$dev4"
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vgcreate $vg1 "$dev1"
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eval "$(pvs --noheading --nameprefixes -o major,minor,uuid "$dev1")"
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MAJOR1=$LVM2_PV_MAJOR
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MINOR1=$LVM2_PV_MINOR
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OPVID1=$LVM2_PV_UUID
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PVID1=${OPVID1//-/}
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vgcreate $vg2 "$dev2"
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eval "$(pvs --noheading --nameprefixes -o major,minor,uuid "$dev2")"
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MAJOR2=$LVM2_PV_MAJOR
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MINOR2=$LVM2_PV_MINOR
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OPVID2=$LVM2_PV_UUID
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PVID2=${OPVID2//-/}
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# just using pvcreate/pvs to get MAJOR MINOR
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pvcreate "$dev3"
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eval "$(pvs --noheading --nameprefixes -o major,minor,uuid "$dev3")"
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MAJOR3=$LVM2_PV_MAJOR
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MINOR3=$LVM2_PV_MINOR
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pvcreate "$dev4"
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eval "$(pvs --noheading --nameprefixes -o major,minor,uuid "$dev4")"
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MAJOR4=$LVM2_PV_MAJOR
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MINOR4=$LVM2_PV_MINOR
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pvremove "$dev3"
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pvremove "$dev4"
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aux wipefs_a "$dev3"
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aux wipefs_a "$dev4"
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create_sysfs
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rm "$DF"
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vgimportdevices $vg1
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vgimportdevices $vg2
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cat "$DF"
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grep $PRODUCT_UUID1 "$DF"
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grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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not grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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not grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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pvs |tee out
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grep "$dev1" out
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grep "$dev2" out
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not grep "$dev3" out
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not grep "$dev4" out
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# Prints the deviceid that's saved in metadata.
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pvs -o uuid,deviceid "$dev1" | tee out
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grep $OPVID1 out
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grep $SERIAL1 out
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# PV1 moves from dev1 to dev3 (and dev1 goes away)
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# lvm does not find PV1 until the product_uuid changes which
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# triggers the command to look at devs outside the DF.
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# PV1 moves to new dev
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dd if="$dev1" of="$dev3" bs=1M count=1
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aux wipefs_a "$dev1"
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rm "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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# PV1 not found
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pvs |tee out
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not grep "$dev1" out
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grep "$dev2" out
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not grep "$dev3" out
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not grep "$dev4" out
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# DF unchanged
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grep $PRODUCT_UUID1 "$DF"
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grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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not grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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not grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# product_uuid changes
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echo "$PRODUCT_UUID2" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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# PV1 found on new dev
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pvs |tee out
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not grep "$dev1" out
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grep "$dev2" out
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grep "$dev3" out
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not grep "$dev4" out
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# DF updated replacing old dev with new dev
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grep $PRODUCT_UUID2 "$DF"
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not grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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not grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# PV1 was originally written to dev1 but has not
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# moved to dev3. The deviceid in the metadata is
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# S111 from dev1, but the PV is now on dev3 which
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# has deviceid S333. Since the deviceid of the dev
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# doesn't match the deviceid savedin metadata,
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# "invalid" is printed when displaying the outdated
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# deviceid from the metadata.
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pvs -o uuid,deviceid "$dev3" | tee out
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grep $OPVID1 out
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grep invalid out
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# bring back dev1
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echo "$SERIAL1" > "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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# No product_uuid so hostname is used
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rm "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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rm "$DF"
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vgimportdevices $vg1
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vgimportdevices $vg2
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grep HOSTNAME "$DF"
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not grep PRODUCT_UUID "$DF"
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pvs |tee out
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not grep "$dev1" out
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grep "$dev2" out
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grep "$dev3" out
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not grep "$dev4" out
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not grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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# PV1 moves from dev3 back to dev1
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# lvm does not find PV1 until the hostname changes which
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# triggers the command to look at devs outside the DF.
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# PV1 moves to new dev
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dd if="$dev3" of="$dev1" bs=1M count=1
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aux wipefs_a "$dev3"
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rm "$SYS_DIR/dev/block/$MAJOR3:$MINOR3/device/serial"
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# PV1 not found
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pvs |tee out
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not grep "$dev1" out
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grep "$dev2" out
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not grep "$dev3" out
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not grep "$dev4" out
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# we can't change the hostname to trigger lvm refresh,
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# but removing the HOSTNAME line from system.devices
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# will be a trigger.
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sed -e "s|HOSTNAME=.||" "$DF" > tmpdf
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cp tmpdf "$DF"
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# PV1 found on new dev
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pvs |tee out
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grep "$dev1" out
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grep "$dev2" out
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not grep "$dev3" out
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not grep "$dev4" out
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# DF updated replacing old dev with new dev
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not grep PRODUCT_UUID "$DF"
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grep HOSTNAME "$DF"
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grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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not grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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not grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# bring back dev3
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echo "$SERIAL3" > "$SYS_DIR/dev/block/$MAJOR3:$MINOR3/device/serial"
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# DF has no PRODUCT_UUID or HOSTNAME, lvm command adds one
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rm "$DF"
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vgimportdevices $vg1
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vgimportdevices $vg2
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sed -e "s|HOSTNAME=.||" "$DF" > tmpdf
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cp tmpdf "$DF"
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sed -e "s|PRODUCT_UUID=.||" "$DF" > tmpdf
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cp tmpdf "$DF"
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not grep HOSTNAME "$DF"
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not grep PRODUCT_UUID "$DF"
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pvs
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grep HOSTNAME "$DF"
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grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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not grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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not grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# DF has PRODUCT_UUID but system only has hostname,
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# and PV1 moves to different device
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echo "$PRODUCT_UUID1" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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rm "$DF"
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vgimportdevices $vg1
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vgimportdevices $vg2
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rm "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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# PV1 moves from dev1 to dev3
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dd if="$dev1" of="$dev3" bs=1M count=1
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aux wipefs_a "$dev1"
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rm "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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pvs
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grep HOSTNAME "$DF"
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not grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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not grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# bring back dev1
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echo "$SERIAL1" > "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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# DF has HOSTNAME but system has product_uuid, lvm command updates it
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rm "$DF"
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vgimportdevices $vg1
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vgimportdevices $vg2
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grep HOSTNAME "$DF"
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echo "$PRODUCT_UUID1" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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pvs
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grep "$PRODUCT_UUID1" "$DF"
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not grep HOSTNAME "$DF"
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# DF has PRODUCT_UUID, system product_uuid changes, lvm command updates it
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rm "$DF"
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vgimportdevices $vg1
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vgimportdevices $vg2
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grep "$PRODUCT_UUID1" "$DF"
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echo "$PRODUCT_UUID2" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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pvs
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grep "$PRODUCT_UUID2" "$DF"
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# PV1 moves from dev3 back to dev1
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dd if="$dev3" of="$dev1" bs=1M count=1
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aux wipefs_a "$dev3"
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#
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# pvscan --cache and vgchange -aay work when refresh is triggered and
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# the device ids are wrong on the PVs that need to be autoactivated.
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#
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RUNDIR="/run"
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test -d "$RUNDIR" || RUNDIR="/var/run"
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PVS_ONLINE_DIR="$RUNDIR/lvm/pvs_online"
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VGS_ONLINE_DIR="$RUNDIR/lvm/vgs_online"
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PVS_LOOKUP_DIR="$RUNDIR/lvm/pvs_lookup"
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_clear_online_files() {
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# wait till udev is finished
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aux udev_wait
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rm -f "$PVS_ONLINE_DIR"/*
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rm -f "$VGS_ONLINE_DIR"/*
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rm -f "$PVS_LOOKUP_DIR"/*
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}
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echo "$PRODUCT_UUID1" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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rm "$DF"
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vgimportdevices $vg1
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vgimportdevices $vg2
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grep "$PRODUCT_UUID1" "$DF"
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grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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lvcreate -l1 -an -n $lv1 $vg1
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lvcreate -l1 -an -n $lv1 $vg2
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pvs -o+deviceid
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# PV1 moves from dev1 to dev3
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dd if="$dev1" of="$dev3" bs=1M count=1
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aux wipefs_a "$dev1"
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rm "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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_clear_online_files
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# One PV in VG to autoactivate when system.devices has the wrong device ID
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# PV1 is listed in system.devices as being from dev1 with SERIAL1,
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# but PV1 is actually appearing from dev3 with SERIAL3. PRODUCT_UUID is
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# wrong, so refresh is triggered and PV1 will be used from dev3.
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echo "$PRODUCT_UUID2" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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pvscan --cache --listvg --checkcomplete --vgonline --autoactivation event "$dev3"
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ls "$RUNDIR/lvm/pvs_online/$PVID1"
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ls "$RUNDIR/lvm/vgs_online/$vg1"
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vgchange -aay --autoactivation event $vg1
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# DF should be unchanged and have old info since the event based pvscan
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# and vgchange are special/optimized for auto activation and don't update DF
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grep "$PRODUCT_UUID1" "$DF"
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grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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not grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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not grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# check that pvs will update DF PV1 to have SERIAL3
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pvs
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grep "$PRODUCT_UUID2" "$DF"
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not grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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not grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# check that the vgchange aay above actually activated the LV
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lvs -o active $vg1/$lv1 | grep active
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vgchange -an $vg1
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# bring back dev1
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echo "$SERIAL1" > "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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# Two PVs in VG to autoactivate when system.devices has the wrong device ID
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# PV1 moves from dev3 back to dev1
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dd if="$dev3" of="$dev1" bs=1M count=1
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aux wipefs_a "$dev3"
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rm "$DF"
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vgremove -ff $vg1
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vgremove -ff $vg2
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pvs
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echo "$PRODUCT_UUID1" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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vgcreate $vg1 "$dev1" "$dev2"
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vgimportdevices $vg1
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lvcreate -l1 -n $lv1 $vg1 "$dev1"
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lvcreate -l1 -n $lv2 $vg1 "$dev2"
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lvcreate -l4 -i2 -n $lv3 $vg1 "$dev1" "$dev2"
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vgchange -an $vg1
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grep "$PRODUCT_UUID1" "$DF"
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grep "$dev1" "$DF"
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grep "$dev2" "$DF"
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not grep "$dev3" "$DF"
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not grep "$dev4" "$DF"
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grep $SERIAL1 "$DF"
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grep $SERIAL2 "$DF"
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not grep $SERIAL3 "$DF"
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not grep $SERIAL4 "$DF"
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# PV1 moves from dev1 to dev3
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dd if="$dev1" of="$dev3" bs=1M count=1
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aux wipefs_a "$dev1"
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rm "$SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/serial"
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# PV2 moves from dev2 to dev4
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dd if="$dev2" of="$dev4" bs=1M count=1
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aux wipefs_a "$dev2"
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rm "$SYS_DIR/dev/block/$MAJOR2:$MINOR2/device/serial"
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_clear_online_files
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# Two PVs in VG to autoactivate when system.devices has the wrong device ID
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# system.devices says PV1 has SERIAL1 and PV2 has SERIAL2, but the new
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# system has PV1 on SERIAL3 and PV2 on SERIAL4.
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# PRODUCT_UUID is wrong, so refresh finds PV1/PV2 on SERIAL3/SERIAL4
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echo "$PRODUCT_UUID2" > "$SYS_DIR/devices/virtual/dmi/id/product_uuid"
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pvscan --cache --listvg --checkcomplete --vgonline --autoactivation event "$dev3"
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pvscan --cache --listvg --checkcomplete --vgonline --autoactivation event "$dev4"
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ls "$RUNDIR/lvm/pvs_online/$PVID1"
|
|
ls "$RUNDIR/lvm/pvs_online/$PVID2"
|
|
ls "$RUNDIR/lvm/vgs_online/$vg1"
|
|
ls "$RUNDIR/lvm/pvs_lookup/$vg1"
|
|
vgchange -aay --autoactivation event $vg1
|
|
|
|
# DF not yet updated by pvscan/vgchange
|
|
|
|
grep "$PRODUCT_UUID1" "$DF"
|
|
grep "$dev1" "$DF"
|
|
grep "$dev2" "$DF"
|
|
not grep "$dev3" "$DF"
|
|
not grep "$dev4" "$DF"
|
|
grep $SERIAL1 "$DF"
|
|
grep $SERIAL2 "$DF"
|
|
not grep $SERIAL3 "$DF"
|
|
not grep $SERIAL4 "$DF"
|
|
|
|
# check that lvmdevices will update DF
|
|
lvmdevices --update
|
|
grep "$PRODUCT_UUID2" "$DF"
|
|
not grep "$dev1" "$DF"
|
|
not grep "$dev2" "$DF"
|
|
grep "$dev3" "$DF"
|
|
grep "$dev4" "$DF"
|
|
not grep $SERIAL1 "$DF"
|
|
not grep $SERIAL2 "$DF"
|
|
grep $SERIAL3 "$DF"
|
|
grep $SERIAL4 "$DF"
|
|
|
|
# check that the vgchange actually activated LVs
|
|
lvs $vg1
|
|
lvs -o active $vg1/$lv1 | grep active
|
|
lvs -o active $vg1/$lv2 | grep active
|
|
lvs -o active $vg1/$lv3 | grep active
|
|
|
|
vgchange -an $vg1
|
|
vgremove -ff $vg1
|
|
|