]> sourceware.org Git - lvm2.git/commitdiff
touch file old-v2_02_63 v2_02_63
authorAlasdair Kergon <agk@redhat.com>
Wed, 14 Apr 2010 20:03:46 +0000 (20:03 +0000)
committerAlasdair Kergon <agk@redhat.com>
Wed, 14 Apr 2010 20:03:46 +0000 (20:03 +0000)
scripts/lvmdump.sh [new file with mode: 0755]

diff --git a/scripts/lvmdump.sh b/scripts/lvmdump.sh
new file mode 100755 (executable)
index 0000000..55c477d
--- /dev/null
@@ -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
+
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