-#!/bin/bash
-# We use some bash-isms (getopts?)
-
-# Copyright (C) 2007 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
-
git://sourceware.org / lvm2.git / commitdiff