-#!/bin/bash
-# we use some bash-isms (getopts?)
-
-# lvm_dump: This script is used to collect pertinent information for
-# the debugging of lvm issues.
-
-# following external commands are used throughout the script
-# which, echo and test are internal in bash at least
-MKDIR=mkdir # need -p
-TAR=tar # need czf
-RM=rm # need -rf
-CP=cp
-TAIL=tail # we need -n
-LS=ls # need -la
-PS=ps # need alx
-SED=sed
-DD=dd
-CUT=cut
-DATE=date
-BASENAME=basename
-UNAME=uname
-
-# user may override lvm and dmsetup location by setting LVM_BINARY
-# and DMSETUP_BINARY respectively
-LVM=${LVM_BINARY-lvm}
-DMSETUP=${DMSETUP_BINARY-dmsetup}
-
-die() {
- code=$1; shift
- echo "$@" 1>&2
- exit $code
-}
-
-# which should error out if the binary is not executable, although i
-# am not sure we can rely on this
-which $LVM >& /dev/null || die 2 "Fatal: could not find lvm binary '$LVM'"
-test -x `which $LVM` || die 2 "Fatal: lvm binary '$LVM' not executable"
-which $DMSETUP >& /dev/null || die 2 "Fatal: could not find dmsetup binary '$DMSETUP'"
-test -x `which $DMSETUP` || die 2 "Fatal: dmsetup binary '$DMSETUP' not executable"
-
-function usage {
- echo "$0 [options]"
- echo " -h print this message"
- echo " -a advanced collection - warning: if lvm is already hung,"
- echo " then this script may hang as well if -a is used"
- echo " -m gather LVM metadata from the PVs"
- echo " -d <directory> dump into a directory instead of tarball"
- echo " -c if running clvmd, gather cluster data as well"
- echo ""
-
- exit 1
-}
-
-advanced=0
-clustered=0
-metadata=0
-while getopts :acd:hm opt; do
- case $opt in
- s) sysreport=1 ;;
- a) advanced=1 ;;
- c) clustered=1 ;;
- d) userdir=$OPTARG ;;
- h) usage ;;
- m) metadata=1 ;;
- :) echo "$0: $OPTARG requires a value:"; usage ;;
- \?) echo "$0: unknown option $OPTARG"; usage ;;
- *) usage ;;
- esac
-done
-
-NOW=`$DATE -u +%G%m%d%k%M%S | /usr/bin/tr -d ' '`
-if test -n "$userdir"; then
- dir="$userdir"
-else
- dirbase="lvmdump-$HOSTNAME-$NOW"
- dir="$HOME/$dirbase"
-fi
-
-test -e $dir && die 3 "Fatal: $dir already exists"
-$MKDIR -p $dir || die 4 "Fatal: could not create $dir"
-
-log="$dir/lvmdump.log"
-
-myecho() {
- echo "$@"
- echo "$@" >> $log
-}
-
-log() {
- echo "$@" >> $log
- eval "$@"
-}
-
-echo " "
-myecho "Creating dump directory: $dir"
-echo " "
-
-if (( $advanced )); then
- myecho "Gathering LVM volume info..."
-
- myecho " vgscan..."
- log "$LVM vgscan -vvvv > $dir/vgscan 2>&1"
-
- myecho " pvscan..."
- log "$LVM pvscan -v >> $dir/pvscan 2>> $log"
-
- myecho " lvs..."
- log "$LVM lvs -a -o +devices >> $dir/lvs 2>> $log"
-
- myecho " pvs..."
- log "$LVM pvs -a -v > $dir/pvs 2>> $log"
-
- echo " vgs..."
- log "$LVM vgs -v > $dir/vgs 2>> $log"
-fi
-
-if (( $clustered )); then
- myecho "Gathering cluster info..."
- echo "NODES: " > $dir/cluster_info
- echo "----------------------------------" >> $dir/cluster_info
- log "cman_tool nodes >> $dir/cluster_info 2>> $log"
- echo " " >> $dir/cluster_info
-
- echo "STATUS: " > $dir/cluster_info
- echo "----------------------------------" >> $dir/cluster_info
- log "cman_tool status >> $dir/cluster_info 2>> $log"
- echo " " >> $dir/cluster_info
-
- echo "SERVICES: " >> $dir/cluster_info
- echo "----------------------------------" >> $dir/cluster_info
- log "cman_tool services >> $dir/cluster_info 2>> $log"
- echo " " >> $dir/cluster_info
-
- echo "LOCKS: " >> $dir/cluster_info
- echo "----------------------------------" >> $dir/cluster_info
- if [ -f /proc/cluster/dlm_locks ]
- then
- echo "clvmd" > /proc/cluster/dlm_locks
- cat /proc/cluster/dlm_locks >> $dir/cluster_info
- echo " " >> $dir/cluster_info
- echo "RESOURCE DIR: " >> $dir/cluster_info
- cat /proc/cluster/dlm_dir >> $dir/cluster_info
- echo " " >> $dir/cluster_info
- echo "DEBUG LOG: " >> $dir/cluster_info
- cat /proc/cluster/dlm_debug >> $dir/cluster_info
- echo " " >> $dir/cluster_info
- fi
- if [ -f /debug/dlm/clvmd ]
- then
- cat /debug/dlm/clvmd >> $dir/cluster_info
- echo " " >> $dir/cluster_info
- echo "WAITERS: " >> $dir/cluster_info
- cat /debug/dlm/clvmd_waiters >> $dir/cluster_info
- echo " " >> $dir/cluster_info
- echo "MASTER: " >> $dir/cluster_info
- cat /debug/dlm/clvmd_master >> $dir/cluster_info
- fi
-fi
-
-myecho "Gathering LVM & device-mapper version info..."
-echo "LVM VERSION:" > $dir/versions
-$LVM lvs --version >> $dir/versions 2>> $log
-echo "DEVICE MAPPER VERSION:" >> $dir/versions
-$DMSETUP --version >> $dir/versions 2>> $log
-echo "KERNEL VERSION:" >> $dir/versions
-$UNAME -a >> $dir/versions 2>> $log
-echo "DM TARGETS VERSIONS:" >> $dir/versions
-$DMSETUP targets >> $dir/versions 2>> $log
-
-myecho "Gathering dmsetup info..."
-log "$DMSETUP info -c > $dir/dmsetup_info 2>> $log"
-log "$DMSETUP table > $dir/dmsetup_table 2>> $log"
-log "$DMSETUP status > $dir/dmsetup_status 2>> $log"
-
-myecho "Gathering process info..."
-log "$PS alx > $dir/ps_info 2>> $log"
-
-myecho "Gathering console messages..."
-log "$TAIL -n 75 /var/log/messages > $dir/messages 2>> $log"
-
-myecho "Gathering /etc/lvm info..."
-log "$CP -a /etc/lvm $dir/lvm 2>> $log"
-
-myecho "Gathering /dev listing..."
-log "$LS -laR /dev > $dir/dev_listing 2>> $log"
-
-myecho "Gathering /sys/block listing..."
-log "$LS -laR /sys/block > $dir/sysblock_listing"
-
-if (( $metadata )); then
- myecho "Gathering LVM metadata from Physical Volumes..."
-
- log "$MKDIR -p $dir/metadata"
-
- pvs="$($LVM pvs --separator , --noheadings --units s --nosuffix -o \
- name,pe_start 2>> $log | $SED -e 's/^ *//')"
- for line in "$pvs"
- do
- test -z "$line" && continue
- pv="$(echo $line | $CUT -d, -f1)"
- pe_start="$(echo $line | $CUT -d, -f2)"
- name="$($BASENAME $pv)"
- myecho " $pv"
- log "$DD if=$pv of=$dir/metadata/$name bs=512 count=$pe_start 2>> $log"
- done
-fi
-
-if test -z "$userdir"; then
- lvm_dump="$dirbase.tgz"
- myecho "Creating report tarball in $HOME/$lvm_dump..."
- cd $HOME
- $TAR czf $lvm_dump $dirbase 2>/dev/null
- $RM -rf $dir
-fi
-
-if test "$UID" != "0" && test "$EUID" != "0"; then
- myecho
- myecho "WARNING! Running as non-privileged user, dump is likely incomplete!"
- myecho
-fi
-
-exit 0
-
git://sourceware.org / lvm2.git / blobdiff