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626 lines
17 KiB
Bash
626 lines
17 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2012 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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# . different PV/VG's that happen to have the same PVID
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# . a single PV/VG cloned to another device
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# . dm wrapper around a PV
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# . a single PV/VG cloned plus a dm wrapper (two separate dups of a PV)
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SKIP_WITH_LVMPOLLD=1
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SKIP_WITH_LVMLOCKD=1
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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="$RUNDIR/lvm/vgs_online"
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HINTS="$RUNDIR/lvm/hints"
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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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}
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. lib/inittest
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test -f /proc/mdstat && grep -q raid1 /proc/mdstat || \
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modprobe raid1 || skip
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mddev="/dev/md33"
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not grep $mddev /proc/mdstat || skip
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aux lvmconf 'devices/md_component_detection = 1'
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# This stops lvm from asking udev if a dev is an md component.
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# LVM will ask udev if a dev is an md component, but we don't
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# want to rely on that ability in this test.
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aux lvmconf 'devices/obtain_device_list_from_udev = 0'
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aux extend_filter_md "a|/dev/md|"
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aux prepare_devs 4
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# Create an unused PV so that there is at least one PV in the hints
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# when the MD dev is stopped. If there are no PVs, the hints are
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# empty, and the code falls back to scanning all, and we do not end
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# up testing the code with hints actively used.
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pvcreate "$dev3"
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## Test variations:
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# PV on md raid1|raid0, md_component_checks auto|start, mddev start|stopped,
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# one leg disabled when mddev is stopped.
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##########################################
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# PV on an md raid1 device, auto+started
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# md_component_checks: auto (not start)
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# mddev: started (not stopped)
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#
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aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=2 "$dev1" "$dev2"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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# pvs shows only the md dev as PV
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pvs "$mddev"
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not pvs "$dev1"
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not pvs "$dev2"
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pvs > out
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grep $mddev out
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not grep "$dev1" out
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not grep "$dev2" out
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grep "$mddev" $HINTS
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not grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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# normal activation works
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lvchange -ay $vg/$lv1
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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# pvscan activation all works
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_clear_online_files
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pvscan --cache -aay
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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# pvscan activation from mddev works
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_clear_online_files
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pvscan --cache -aay "$mddev"
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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# pvscan activation from md components does nothing
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_clear_online_files
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pvscan --cache -aay "$dev1"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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pvscan --cache -aay "$dev2"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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lvs -o active $vg |tee out || true
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not grep "active" out
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vgchange -an $vg
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vgremove -f $vg
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mdadm --stop "$mddev"
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aux udev_wait
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aux wipefs_a "$dev1"
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aux wipefs_a "$dev2"
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aux udev_wait
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##########################################
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# PV on an md raid1 device, start+started
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# md_component_checks: start (not auto)
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# mddev: started (not stopped)
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#
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aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=2 "$dev1" "$dev2"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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# pvs shows only the md dev as PV
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pvs "$mddev"
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not pvs "$dev1"
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not pvs "$dev2"
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pvs > out
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grep $mddev out
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not grep "$dev1" out
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not grep "$dev2" out
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# N.B. in this case hints are disabled for duplicate pvs seen by scan
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# it would be preferrable if this didn't happen as in auto mode, but it's ok.
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# grep "$mddev" $HINTS
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not grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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# normal activation works
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lvchange -ay $vg/$lv1
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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# pvscan activation all works
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_clear_online_files
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pvscan --cache -aay
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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# pvscan activation from mddev works
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_clear_online_files
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pvscan --cache -aay "$mddev"
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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# The dev name and device_hint don't match so pvscan
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# skips quick activation and scans all devs during
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# activation. This means it sees the component and
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# the mddev as duplicates and chooses to use the mddev
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# for activation.
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_clear_online_files
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pvscan --cache -aay "$dev1"
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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lvs -o active $vg |tee out || true
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grep "active" out
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# pvscan activation from mddev first, then try from component which fails
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_clear_online_files
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pvscan --cache -aay "$mddev"
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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lvs -o active $vg |tee out || true
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grep "active" out
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not pvscan --cache -aay "$dev1"
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vgchange -an $vg
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vgremove -f $vg
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mdadm --stop "$mddev"
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aux udev_wait
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aux wipefs_a "$dev1"
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aux wipefs_a "$dev2"
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aux udev_wait
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##########################################
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# PV on an md raid1 device, auto+stopped
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# md_component_checks: auto (not start)
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# mddev: stopped (not started)
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#
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aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=2 "$dev1" "$dev2"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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mdadm --stop "$mddev"
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cat /proc/mdstat
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# pvs does not show the PV
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not pvs "$mddev"
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not pvs "$dev1"
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not pvs "$dev2"
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pvs > out
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not grep $mddev out
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not grep "$dev1" out
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not grep "$dev2" out
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pvscan --cache
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not grep "$mddev" $HINTS
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not grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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# the vg is not seen, normal activation does nothing
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not lvchange -ay $vg/$lv1
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not lvs $vg
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# pvscan activation all does nothing
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_clear_online_files
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pvscan --cache -aay
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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# pvscan activation from md components does nothing
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_clear_online_files
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pvscan --cache -aay "$dev1"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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pvscan --cache -aay "$dev2"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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aux wipefs_a "$dev1"
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aux wipefs_a "$dev2"
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aux udev_wait
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##########################################
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# PV on an md raid1 device, start+stopped
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# md_component_checks: start (not auto)
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# mddev: stopped (not started)
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#
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# N.B. This test case is just characterizing the current behavior, even
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# though the behavior it's testing for is not what we'd want to happen.
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# In this scenario, we have disabled/avoided everything that would
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# lead lvm to discover that dev1 is an md component, so dev1 is used
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# as the PV. Multiple default settings need to be changed to get to
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# this unwanted behavior (md_component_checks,
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# obtain_device_list_from_udev), and other conditions also
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# need to be true (md device stopped).
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aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=2 "$dev1" "$dev2"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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mdadm --stop "$mddev"
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cat /proc/mdstat
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# pvs does not show the PV
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not pvs "$mddev"
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not pvs "$dev1"
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not pvs "$dev2"
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pvs > out
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not grep $mddev out
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not grep "$dev1" out
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not grep "$dev2" out
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pvscan --cache
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not grep "$mddev" $HINTS
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not grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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# the vg is not seen, normal activation does nothing
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not lvchange -ay $vg/$lv1
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not lvs $vg
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# pvscan activation all does nothing because both legs are
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# seen as duplicates which triggers md component check which
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# eliminates the devs
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_clear_online_files
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pvscan --cache -aay
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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# component dev name does not match device_hint in metadata so
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# quick activation is skipped and activation scans all devs.
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# this leads it to see both components as duplicates which
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# triggers full md check which means we see both devs are
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# md components and drop them, leaving no remaining devs
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# on which this vg is seen.
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_clear_online_files
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not pvscan --cache -aay "$dev1"
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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aux wipefs_a "$dev1" || true
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aux wipefs_a "$dev2" || true
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##########################################
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# PV on an md raid1 device, start+stopped
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# md_component_checks: start (not auto)
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# mddev: stopped (not started)
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# only one raid image online
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#
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# N.B. This test case is just characterizing the current behavior, even
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# though the behavior it's testing for is not what we'd want to happen.
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# In this scenario, we have disabled/avoided everything that would
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# lead lvm to discover that dev1 is an md component, so dev1 is used
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# as the PV. Multiple default settings need to be changed to get to
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# this unwanted behavior (md_component_checks,
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# obtain_device_list_from_udev), and multiple other conditions also
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# need to be true (md device stopped, only one leg visible).
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aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=2 "$dev1" "$dev2"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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mdadm --stop "$mddev"
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cat /proc/mdstat
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# disable one leg of the md device, with raid1 this means duplicates
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# will not be seen for the legs. duplicate handling can trigger
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# md component detection, so no duplicates means md components may
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# not be detected as easily.
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aux disable_dev "$dev2"
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# pvs does not show the PV
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not pvs "$mddev"
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pvs "$dev1"
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not pvs "$dev2"
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pvs > out
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not grep $mddev out
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grep "$dev1" out
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not grep "$dev2" out
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pvscan --cache
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not grep "$mddev" $HINTS
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grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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lvchange -ay $vg/$lv1
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lvs $vg
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vgchange -an $vg
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_clear_online_files
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pvscan --cache -aay
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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# N.B. not good to activate from component, but result of "start" setting
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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_clear_online_files
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pvscan --cache -aay "$dev1"
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ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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ls "$RUNDIR/lvm/vgs_online/$vg"
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# N.B. not good to activate from component, but result of "start" setting
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lvs -o active $vg |tee out || true
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grep "active" out
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vgchange -an $vg
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aux enable_dev "$dev2"
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aux udev_wait
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cat /proc/mdstat
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# for some reason enabling dev2 starts an odd md dev
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mdadm --stop $(lsblk -al -o NAME --noheadings "$dev2" | grep '^md') || true
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cat /proc/mdstat
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aux wipefs_a "$dev1" || true
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aux wipefs_a "$dev2" || true
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##########################################
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# PV on an md raid1 device, auto+stopped
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# md_component_checks: auto (not start)
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# mddev: stopped (not started)
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# only one raid image online
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#
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aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=2 "$dev1" "$dev2"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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mdadm --stop "$mddev"
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cat /proc/mdstat
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# disable one leg
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aux disable_dev "$dev2"
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# pvs does not show the PV
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not pvs "$mddev"
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not pvs "$dev1"
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not pvs "$dev2"
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pvs > out
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not grep $mddev out
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not grep "$dev1" out
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not grep "$dev2" out
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pvscan --cache
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not grep "$mddev" $HINTS
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not grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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# the vg is not seen, normal activation does nothing
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not lvchange -ay $vg/$lv1
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not lvs $vg
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# pvscan activation all does nothing
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_clear_online_files
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pvscan --cache -aay
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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# pvscan activation from md components does nothing
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_clear_online_files
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pvscan --cache -aay "$dev1"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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pvscan --cache -aay "$dev2"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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aux enable_dev "$dev2"
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aux udev_wait
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cat /proc/mdstat
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# for some reason enabling dev2 starts an odd md dev
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mdadm --stop $(lsblk -al -o NAME --noheadings "$dev2" | grep '^md') || true
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cat /proc/mdstat
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aux wipefs_a "$dev1" || true
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aux wipefs_a "$dev2" || true
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##########################################
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# PV on an md raid1 device, auto+stopped
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# md_component_checks: auto (not start)
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# mddev: stopped (not started)
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# three raid images
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#
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aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=3 "$dev1" "$dev2" "$dev4"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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mdadm --stop "$mddev"
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cat /proc/mdstat
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# pvs does not show the PV
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not pvs "$mddev"
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not pvs "$dev1"
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not pvs "$dev2"
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not pvs "$dev4"
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pvs > out
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not grep $mddev out
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not grep "$dev1" out
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not grep "$dev2" out
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not grep "$dev4" out
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pvscan --cache
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not grep "$mddev" $HINTS
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not grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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not grep "$dev4" $HINTS
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# the vg is not seen, normal activation does nothing
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not lvchange -ay $vg/$lv1
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not lvs $vg
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# pvscan activation all does nothing
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_clear_online_files
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pvscan --cache -aay
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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# pvscan activation from md components does nothing
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_clear_online_files
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pvscan --cache -aay "$dev1"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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pvscan --cache -aay "$dev2"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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pvscan --cache -aay "$dev4"
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not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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aux wipefs_a "$dev1"
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aux wipefs_a "$dev2"
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aux wipefs_a "$dev4"
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aux udev_wait
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##########################################
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# PV on an md raid1 device, start+stopped
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# md_component_checks: start (not auto)
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# mddev: stopped (not started)
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# three raid images
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aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=3 "$dev1" "$dev2" "$dev4"
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aux wait_md_create "$mddev"
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pvcreate "$mddev"
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PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
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echo $PVIDMD
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vgcreate $vg "$mddev"
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lvcreate -n $lv1 -l 2 -an $vg
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mdadm --stop "$mddev"
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cat /proc/mdstat
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# pvs does not show the PV
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not pvs "$mddev"
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not pvs "$dev1"
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not pvs "$dev2"
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not pvs "$dev4"
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pvs > out
|
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not grep $mddev out
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not grep "$dev1" out
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not grep "$dev2" out
|
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not grep "$dev4" out
|
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pvscan --cache
|
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not grep "$mddev" $HINTS
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not grep "$dev1" $HINTS
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not grep "$dev2" $HINTS
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not grep "$dev4" $HINTS
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|
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# the vg is not seen, normal activation does nothing
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not lvchange -ay $vg/$lv1
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not lvs $vg
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|
|
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# pvscan activation all does nothing
|
|
_clear_online_files
|
|
pvscan --cache -aay
|
|
not ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
|
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not ls "$RUNDIR/lvm/vgs_online/$vg"
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|
|
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_clear_online_files
|
|
pvscan --cache -aay "$dev1" || true
|
|
ls "$RUNDIR/lvm/pvs_online/$PVIDMD"
|
|
ls "$RUNDIR/lvm/vgs_online/$vg"
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# N.B. not good to activate from component, but result of "start" setting
|
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# Scanning the other two legs sees existing pv online file and warns about
|
|
# duplicate PVID, exiting with error:
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not pvscan --cache -aay "$dev2"
|
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not pvscan --cache -aay "$dev4"
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|
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# Have to disable other legs so we can deactivate since
|
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# vgchange will detect and eliminate the components due
|
|
# to duplicates and not see the vg.
|
|
aux disable_dev "$dev2"
|
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aux disable_dev "$dev4"
|
|
vgchange -an $vg
|
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|
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aux enable_dev "$dev2"
|
|
aux enable_dev "$dev4"
|
|
aux udev_wait
|
|
cat /proc/mdstat
|
|
# for some reason enabling dev2 starts an odd md dev
|
|
mdadm --stop $(lsblk -al -o NAME --noheadings "$dev2" | grep '^md') || true
|
|
cat /proc/mdstat
|
|
aux wipefs_a "$dev1" || true
|
|
aux wipefs_a "$dev2" || true
|
|
aux wipefs_a "$dev4" || true
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