/usr/share/cluster/lvm.sh is in resource-agents 1:3.9.2-5ubuntu4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | #!/bin/bash
#
# LVM Failover Script.
# NOTE: Changes to /etc/lvm/lvm.conf are required for proper operation.
#
# Copyright (C) 1997-2003 Sistina Software, Inc. All rights reserved.
# Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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.
#
LC_ALL=C
LANG=C
PATH=/bin:/sbin:/usr/bin:/usr/sbin
export LC_ALL LANG PATH
. $(dirname $0)/ocf-shellfuncs
. $(dirname $0)/utils/member_util.sh
. $(dirname $0)/lvm_by_lv.sh
. $(dirname $0)/lvm_by_vg.sh
rv=0
################################################################################
# ha_lvm_proper_setup_check
#
################################################################################
function ha_lvm_proper_setup_check
{
##
# The default for lvm.conf:activation/volume_list is empty,
# this must be changed for HA LVM.
##
if ! lvm dumpconfig activation/volume_list >& /dev/null; then
ocf_log err "HA LVM: Improper setup detected"
ocf_log err "* \"volume_list\" not specified in lvm.conf."
return $OCF_ERR_GENERIC
fi
##
# Machine's cluster node name must be present as
# a tag in lvm.conf:activation/volume_list
##
if ! lvm dumpconfig activation/volume_list | grep $(local_node_name); then
ocf_log err "HA LVM: Improper setup detected"
ocf_log err "* @$(local_node_name) missing from \"volume_list\" in lvm.conf"
return $OCF_ERR_GENERIC
fi
##
# The volume group to be failed over must NOT be in
# lvm.conf:activation/volume_list; otherwise, machines
# will be able to activate the VG regardless of the tags
##
if lvm dumpconfig activation/volume_list | grep "\"$OCF_RESKEY_vg_name\""; then
ocf_log err "HA LVM: Improper setup detected"
ocf_log err "* $OCF_RESKEY_vg_name found in \"volume_list\" in lvm.conf"
return $OCF_ERR_GENERIC
fi
##
# Next, we need to ensure that their initrd has been updated
# If not, the machine could boot and activate the VG outside
# the control of rgmanager
##
# Fixme: we might be able to perform a better check...
if [ "$(find /boot -name *.img -newer /etc/lvm/lvm.conf)" == "" ]; then
ocf_log err "HA LVM: Improper setup detected"
ocf_log err "* initrd image needs to be newer than lvm.conf"
return $OCF_ERR_GENERIC
fi
return $OCF_SUCCESS
}
################################################################################
# MAIN
################################################################################
case $1 in
start)
if ! [[ $(vgs -o attr --noheadings $OCF_RESKEY_vg_name) =~ .....c ]]; then
ha_lvm_proper_setup_check || exit 1
fi
if [ -z $OCF_RESKEY_lv_name ]; then
vg_start || exit 1
else
lv_start || exit 1
fi
;;
status|monitor)
ocf_log notice "Getting status"
if [ -z $OCF_RESKEY_lv_name ]; then
vg_status || exit 1
else
lv_status || exit 1
fi
;;
stop)
if ! [[ $(vgs -o attr --noheadings $OCF_RESKEY_vg_name) =~ .....c ]]; then
if ! ha_lvm_proper_setup_check; then
ocf_log err "WARNING: An improper setup can cause data corruption!"
fi
fi
if [ -z $OCF_RESKEY_lv_name ]; then
vg_stop || exit 1
else
lv_stop || exit 1
fi
;;
recover|restart)
$0 stop || exit $OCF_ERR_GENERIC
$0 start || exit $OCF_ERR_GENERIC
;;
meta-data)
cat `echo $0 | sed 's/^\(.*\)\.sh$/\1.metadata/'`
;;
validate-all|verify-all)
if [ -z $OCF_RESKEY_lv_name ]; then
vg_verify || exit 1
else
lv_verify || exit 1
fi
;;
*)
echo "usage: $0 {start|status|monitor|stop|restart|meta-data|validate-all}"
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
exit $rv
|