diff --git a/heartbeat/LVM b/heartbeat/LVM index 5e5bc84ee..0423cf4b4 100755 --- a/heartbeat/LVM +++ b/heartbeat/LVM @@ -1,372 +1,364 @@ #!/bin/sh # # # LVM # # Description: Manages an LVM volume as an HA resource # # # Author: Alan Robertson # Support: linux-ha@lists.linux-ha.org # License: GNU General Public License (GPL) # Copyright: (C) 2002 - 2005 International Business Machines, Inc. # # This code significantly inspired by the LVM resource # in FailSafe by Lars Marowsky-Bree # # # An example usage in /etc/ha.d/haresources: # node1 10.0.0.170 ServeRAID::1::1 LVM::myvolname # # See usage() function below for more details... # # OCF parameters are as below: # OCF_RESKEY_volgrpname # ####################################################################### # Initialization: : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} . ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs ####################################################################### usage() { methods=`LVM_methods` methods=`echo $methods | tr ' ' '|'` cat < 1.0 Resource script for LVM. It manages an Linux Volume Manager volume (LVM) as an HA resource. Controls the availability of an LVM Volume Group The name of volume group. Volume group name If set, the volume group will be activated exclusively. Exclusive activation If set, the volume group will be activated even only partial of the physical volumes available. It helps to set to true, when you are using mirroring logical volumes. Activate VG even with partial PV only EOF } # # methods: What methods/operations do we support? # LVM_methods() { cat <&1` - rc=$? - if [ $rc -ne 0 ]; then - ocf_log err "LVM Volume $1 is not found. ${VGOUT}:${rc}" - return $OCF_ERR_GENERIC - fi - return $OCF_SUCCESS } # # Enable LVM volume # LVM_start() { local vgchange_options local active_mode # TODO: This MUST run vgimport as well ocf_log info "Activating volume group $1" if [ "$LVM_MAJOR" -eq "1" ]; then ocf_run vgscan $1 else ocf_run vgscan fi active_mode="ly" if ocf_is_true "$OCF_RESKEY_exclusive" ; then active_mode="ey" fi vgchange_options="-a $active_mode" if ocf_is_true "$OCF_RESKEY_partial_activation" ; then vgchange_options="$vgchange_options --partial" fi # for clones (clustered volume groups), we'll also have to force # monitoring, even if disabled in lvm.conf. if ocf_is_clone; then vgchange_options="$vgchange_options --monitor y" fi ocf_run vgchange $vgchange_options $1 || return $OCF_ERR_GENERIC if LVM_status $1; then : OK Volume $1 activated just fine! return $OCF_SUCCESS else ocf_log err "LVM: $1 did not activate correctly" return $OCF_NOT_RUNNING fi } # # Disable the LVM volume # LVM_stop() { vgdisplay "$1" 2>&1 | grep 'Volume group .* not found' >/dev/null && { ocf_log info "Volume group $1 not found" return $OCF_SUCCESS } ocf_log info "Deactivating volume group $1" ocf_run vgchange -a ln $1 || return $OCF_ERR_GENERIC if LVM_status $1 then ocf_log err "LVM: $1 did not stop correctly" return $OCF_ERR_GENERIC fi # TODO: This MUST run vgexport as well return $OCF_SUCCESS } # # Check whether the OCF instance parameters are valid # LVM_validate_all() { check_binary $AWK # Off-the-shelf tests... VGOUT=`vgck ${VOLUME} 2>&1` if [ $? -ne 0 ]; then ocf_log err "Volume group [$VOLUME] does not exist or contains error! ${VGOUT}" exit $OCF_ERR_GENERIC fi # Double-check if [ "$LVM_MAJOR" -eq "1" ] then VGOUT=`vgdisplay ${VOLUME} 2>&1` else VGOUT=`vgdisplay -v ${VOLUME} 2>&1` fi if [ $? -ne 0 ]; then ocf_log err "Volume group [$VOLUME] does not exist or contains error! ${VGOUT}" exit $OCF_ERR_GENERIC fi return $OCF_SUCCESS } # # 'main' starts here... # if [ $# -ne 1 ] then usage exit $OCF_ERR_ARGS fi case $1 in meta-data) meta_data exit $OCF_SUCCESS;; methods) LVM_methods exit $?;; usage) usage exit $OCF_SUCCESS;; *) ;; esac if [ -z "$OCF_RESKEY_volgrpname" ] then ocf_log err "You must identify the volume group name!" exit $OCF_ERR_CONFIGURED fi # Get the LVM version number, for this to work we assume(thanks to panjiam): # # LVM1 outputs like this # # # vgchange --version # vgchange: Logical Volume Manager 1.0.3 # Heinz Mauelshagen, Sistina Software 19/02/2002 (IOP 10) # # LVM2 and higher versions output in this format # # # vgchange --version # LVM version: 2.00.15 (2004-04-19) # Library version: 1.00.09-ioctl (2004-03-31) # Driver version: 4.1.0 LVM_VERSION=`vgchange --version 2>&1 | \ $AWK '/Logical Volume Manager/ {print $5"\n"; exit; } /LVM version:/ {printf $3"\n"; exit;}'` rc=$? if ( [ $rc -ne 0 ] || [ -z "$LVM_VERSION" ] ) then ocf_log err "LVM: $1 could not determine LVM version. Try 'vgchange --version' manually and modify $0 ?" exit $OCF_ERR_INSTALLED fi LVM_MAJOR="${LVM_VERSION%%.*}" VOLUME=$OCF_RESKEY_volgrpname OP_METHOD=$1 # What kind of method was invoked? case "$1" in start) LVM_start $VOLUME exit $?;; stop) LVM_stop $VOLUME exit $?;; status) LVM_status $VOLUME $1 exit $?;; monitor) LVM_monitor $VOLUME exit $?;; validate-all) LVM_validate_all ;; *) usage exit $OCF_ERR_UNIMPLEMENTED;; esac