diff --git a/test/shell/idm_fabric_failure.sh b/test/shell/idm_fabric_failure.sh new file mode 100644 index 000000000..e68d6ad07 --- /dev/null +++ b/test/shell/idm_fabric_failure.sh @@ -0,0 +1,58 @@ +#!/usr/bin/env bash + +# Copyright (C) 2020 Seagate, 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 v2. +# +# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +SKIP_WITH_LVMPOLLD=1 + +. lib/inittest + +[ -z "$LVM_TEST_FAILURE" ] && skip; + +aux prepare_devs 3 +aux extend_filter_LVMTEST + +vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" + +# Create new logic volume +lvcreate -a ey --zero n -l 50%FREE -n $lv1 $vg + +DRIVE1=`dmsetup deps -o devname $dev1 | awk '{gsub(/[()]/,""); print $4;}' | sed 's/[0-9]*$//'` +DRIVE2=`dmsetup deps -o devname $dev2 | awk '{gsub(/[()]/,""); print $4;}' | sed 's/[0-9]*$//'` +DRIVE3=`dmsetup deps -o devname $dev3 | awk '{gsub(/[()]/,""); print $4;}' | sed 's/[0-9]*$//'` + +HOST1=`readlink /sys/block/$DRIVE1 | awk -F'/' '{print $6}'` +HOST2=`readlink /sys/block/$DRIVE2 | awk -F'/' '{print $6}'` +HOST3=`readlink /sys/block/$DRIVE3 | awk -F'/' '{print $6}'` + +# Emulate fabric failure +echo 1 > /sys/block/$DRIVE1/device/delete +[ -f /sys/block/$DRIVE2/device/delete ] && echo 1 > /sys/block/$DRIVE2/device/delete +[ -f /sys/block/$DRIVE3/device/delete ] && echo 1 > /sys/block/$DRIVE3/device/delete + +# Wait for 10s and will not lead to timeout +sleep 10 + +# Rescan drives so can probe the deleted drives and join back them +echo "- - -" > /sys/class/scsi_host/${HOST1}/scan +echo "- - -" > /sys/class/scsi_host/${HOST2}/scan +echo "- - -" > /sys/class/scsi_host/${HOST3}/scan + +not check grep_lvmlockd_dump "S lvm_$vg kill_vg" + +# The previous device-mapper are removed, but LVM still can directly +# access VGs from the specified physical drives. So enable drives +# for these drives. +aux extend_filter_LVMTEST "a|/dev/$DRIVE1*|" "a|/dev/$DRIVE2*|" "a|/dev/$DRIVE3*|" +aux lvmconf "devices/allow_changes_with_duplicate_pvs = 1" + +lvcreate -a n --zero n -l 10 -n $lv2 $vg + +vgremove -ff $vg