diff --git a/heartbeat/LVM b/heartbeat/LVM index 0423cf4b4..998c66a5d 100755 --- a/heartbeat/LVM +++ b/heartbeat/LVM @@ -1,364 +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 +# node1 10.0.0.170 ServeRAID::1::1 LVM::myvolname # # See usage() function below for more details... # -# OCF parameters are as below: +# 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) +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 | 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 + 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 + # TODO: This MUST run vgexport as well - return $OCF_SUCCESS + 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 + 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 $OCF_SUCCESS + if + [ "$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 ] + [ $# -ne 1 ] then - usage - exit $OCF_ERR_ARGS + usage + exit $OCF_ERR_ARGS fi case $1 in - meta-data) meta_data + meta-data) meta_data exit $OCF_SUCCESS;; - methods) LVM_methods + methods) LVM_methods exit $?;; - usage) usage + usage) usage exit $OCF_SUCCESS;; - *) ;; + *) ;; esac if - [ -z "$OCF_RESKEY_volgrpname" ] + [ -z "$OCF_RESKEY_volgrpname" ] then - ocf_log err "You must identify the volume group name!" - exit $OCF_ERR_CONFIGURED + 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) +# 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) +# LVM version: 2.00.15 (2004-04-19) # Library version: 1.00.09-ioctl (2004-03-31) -# Driver version: 4.1.0 +# 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;}'` + /LVM version:/ {printf $3"\n"; exit;}'` rc=$? if - ( [ $rc -ne 0 ] || [ -z "$LVM_VERSION" ] ) + ( [ $rc -ne 0 ] || [ -z "$LVM_VERSION" ] ) then - ocf_log err "LVM: $1 could not determine LVM version. Try 'vgchange --version' manually and modify $0 ?" - exit $OCF_ERR_INSTALLED + 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 + start) LVM_start $VOLUME exit $?;; - stop) LVM_stop $VOLUME + stop) LVM_stop $VOLUME exit $?;; - status) LVM_status $VOLUME $1 + status) LVM_status $VOLUME $1 exit $?;; - monitor) LVM_monitor $VOLUME + monitor) LVM_monitor $VOLUME exit $?;; - validate-all) LVM_validate_all + validate-all) LVM_validate_all ;; - *) usage + *) usage exit $OCF_ERR_UNIMPLEMENTED;; esac