mirror of
git://sourceware.org/git/lvm2.git
synced 2024-10-28 20:25:52 +03:00
119 lines
2.8 KiB
Bash
Executable File
119 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# lvm_dump: This script is used to collect pertinent information for
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# the debugging of lvm issues.
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#
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function usage {
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echo "$0 [options]"
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echo " -h print this message"
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echo " -a advanced collection - warning: if lvm is already hung,"
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echo " then this script may hang as well if -a is used"
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echo " -m gather LVM metadata from the PVs"
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echo " -d dump directory to place data in (default=/tmp/lvm_dump.\$\$)"
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echo " -c if running clvmd, gather cluster data as well"
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echo ""
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exit 1
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}
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advanced=0
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clustered=0
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metadata=0
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while getopts :acd:hm opt; do
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case $opt in
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a) advanced=1 ;;
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c) clustered=1 ;;
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d) lvm_dir=$OPTARG ;;
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h) usage ;;
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m) metadata=1 ;;
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:) echo "$0: $OPTARG requires a value:"; usage ;;
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\?) echo "$0: unknown option $OPTARG"; usage ;;
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*) usage ;;
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esac
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done
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dir=`mktemp -d -p /tmp lvm_dump.XXXXXX` || exit 2
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lvm_dir="$dir/lvm_dump"
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echo " "
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echo "Creating dump directory: $lvm_dir"
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echo " "
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mkdir -p $lvm_dir || exit 3
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if (( $advanced )); then
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echo "Gathering LVM volume info..."
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echo " vgscan..."
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vgscan -vvvv > $lvm_dir/vgscan 2>&1
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echo " pvscan..."
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pvscan -v >> $lvm_dir/pvscan 2>/dev/null
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echo " lvs..."
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lvs -a -o +devices >> $lvm_dir/lvs 2>/dev/null
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echo " pvs..."
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pvs -a -v > $lvm_dir/pvs 2>/dev/null
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echo " vgs..."
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vgs -v > $lvm_dir/vgs 2>/dev/null
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fi
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if (( $clustered )); then
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echo "Gathering cluster info..."
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echo "STATUS: " > $lvm_dir/cluster_info
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echo "----------------------------------" >> $lvm_dir/cluster_info
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cman_tool status >> $lvm_dir/cluster_info
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echo " " >> $lvm_dir/lvm_info
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echo "SERVICES: " >> $lvm_dir/cluster_info
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echo "----------------------------------" >> $lvm_dir/cluster_info
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cman_tool services >> $lvm_dir/cluster_info
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echo " " >> $lvm_dir/lvm_info
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fi
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echo "Gathering LVM & device-mapper version info..."
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echo "LVM VERSION:" > $lvm_dir/versions
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lvs --version >> $lvm_dir/versions
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echo "DEVICE MAPPER VERSION:" >> $lvm_dir/versions
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dmsetup --version >> $lvm_dir/versions
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echo "Gathering dmsetup info..."
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dmsetup info -c > $lvm_dir/dmsetup_info
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dmsetup table > $lvm_dir/dmsetup_table
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dmsetup status > $lvm_dir/dmsetup_status
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echo "Gathering process info..."
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ps alx > $lvm_dir/ps_info
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echo "Gathering console messages..."
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tail -n 75 /var/log/messages > $lvm_dir/messages
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echo "Gathering /etc/lvm info..."
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cp -a /etc/lvm $lvm_dir/lvm
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echo "Gathering /dev listing..."
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ls -la /dev > $lvm_dir/dev_listing
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if (( $metadata )); then
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echo "Gathering LVM metadata from Physical Volumes..."
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mkdir -p $lvm_dir/metadata
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for pv in `pvs --noheadings -o name`
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do
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echo " $pv"
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name=`basename $pv`
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dd if=$pv of=$lvm_dir/metadata/$name bs=512 count=`pvs --noheadings --nosuffix --units s -o pe_start $pv | tr -d \ `
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done 2>/dev/null
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fi
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lvm_dump=$lvm_dir.tgz
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echo "Creating tarball $lvm_dump..."
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tar czf $lvm_dump $lvm_dir 2>/dev/null
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exit 0
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