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| -rwxr-xr-x | scripts/lvmdump.sh | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/scripts/lvmdump.sh b/scripts/lvmdump.sh new file mode 100755 index 000000000..55c477d5e --- /dev/null +++ b/scripts/lvmdump.sh @@ -0,0 +1,235 @@ +#!/bin/bash +# We use some bash-isms (getopts?) + +# Copyright (C) 2007-2010 Red Hat, Inc. All rights reserved. +# +# This file is part of LVM2. +# +# 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 v.2. +# +# 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 + +# lvm_dump: This script is used to collect pertinent information for +# the debugging of lvm issues. + +# following external commands are used throughout the script +# 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 $code +} + +"$LVM" version >& /dev/null || die 2 "Could not run lvm binary '$LVM'" +"$DMSETUP" version >& /dev/null || DMSETUP=: + +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 "$@" + echo "$@" >> "$log" +} + +log() { + echo "$@" >> "$log" + eval "$@" +} + +warnings() { + if test "$UID" != "0" && test "$EUID" != "0"; then + myecho "WARNING! Running as non-privileged user, dump is likely incomplete!" + elif test "$DMSETUP" = ":"; then + myecho "WARNING! Could not run dmsetup, dump is likely incomplete." + fi +} + +warnings + +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\"" + + myecho " vgs..." + log "\"$LVM\" vgs -v > \"$dir/vgs\" 2>> \"$log\"" +fi + +if (( $clustered )); then + myecho "Gathering cluster info..." + + { + for i in nodes status services; do + cap_i=$(echo $i|tr a-z A-Z) + printf "$cap_i:\n----------------------------------\n" + log "cman_tool $i 2>> \"$log\"" + echo + done + + echo "LOCKS:" + echo "----------------------------------" + if [ -f /proc/cluster/dlm_locks ] + then + echo clvmd > /proc/cluster/dlm_locks + cat /proc/cluster/dlm_locks + echo + echo "RESOURCE DIR:" + cat /proc/cluster/dlm_dir + echo + echo "DEBUG LOG:" + cat /proc/cluster/dlm_debug + echo + fi + if [ -f /debug/dlm/clvmd ] + then + cat /debug/dlm/clvmd + echo + echo "WAITERS:" + cat /debug/dlm/clvmd_waiters + echo + echo "MASTER:" + cat /debug/dlm/clvmd_master + fi + } > $dir/cluster_info +fi + +myecho "Gathering LVM & device-mapper version info..." +echo "LVM VERSION:" > "$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\" 2>> \"$log\"" +log "$LS -laR /sys/devices/virtual/block >> \"$dir/sysblock_listing\" 2>> \"$log\"" + +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..." +fi + +warnings + +if test -z "$userdir"; then + cd "$HOME" + "$TAR" czf "$lvm_dump" "$dirbase" 2>/dev/null + "$RM" -rf "$dir" +fi + +exit 0 + |