Attachment 257231 Details for Bug 359341 – updated test allows specification of devices.

updated test allows specification of devices.

diff_test.sh (text/plain), 4.60 KB, created by Jonathan Earl Brassow on 2007-11-13 18:36:19 UTC

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Creator: Jonathan Earl Brassow

Created: 2007-11-13 18:36:19 UTC

Size: 4.60 KB

patch

obsolete

>#!/bin/bash
>################################################################
># Global Variables
>################################################################
>
>file_systems=1
>iterations=1
>mirrors=1
>mirror_size="4G"
>nosync=""
>sync_before_io=0
>linux_path="/root/linux-2.6.22.tar.gz"
>available_devices=""
>
>################################################################
># Sub Functions
>################################################################
>function usage
>{
>    echo "Usage: $PROG [options] [devices]"
>    echo "Options:"
>    echo " -d <string>   Comma separated list of devices"
>    echo " -h            Print this message."
>    echo " -i <number>   Number of I/O iterations. ($iterations)"
>    echo " -f <number>   Number of LVs/file systems. ($file_systems)"
>    echo " -L <string>   Size of mirrors.  ($mirror_size)"
>    echo " -m <number>   Mirror argument.  ($mirrors)"
>    echo " -s            Create mirrors with --nosync"
>    echo " -S            Wait for sync before doing I/O."
>    echo " -t <string>   Path to linux tarball. ($linux_path)"
>}
>
># compute_time <start> <end>
>function compute_time
>{
>    t_diff=$(($2 - $1))
>
>    s=$(($t_diff % 60))
>    t_diff=$(($t_diff / 60));
>    m=$(($t_diff % 60))
>    t_diff=$(($t_diff / 60));
>    h=$(($t_diff % 60))
>    echo "$h:$m:$s"
>}
>
># Wait for a mirror to become in-sync
>function wait_for_sync
>{
>    echo "Waiting for $1 to become in-sync."
>    a=(`lvs $1 --noheadings`)
>    if [ -z ${a[5]} ]; then
>	echo "Unable to determine sync info for $1"
>	exit 1
>    fi
>
>    b=`echo ${a[5]} | cut -d. -f1`
>    while [ $b -lt 100 ]; do
>	echo "   $1 sync percentage:  ${a[5]}"
>	sleep $((100 - $b))
>	a=(`lvs $1 --noheadings`)
>	b=`echo ${a[5]} | cut -d. -f1`
>    done
>}
>
># Called like this: ls | add_prefix "foo"
>function add_prefix
>{
>    while read line; do
>	echo "$1: $line"
>    done
>}
>
>################################################################
># MAIN
>################################################################
>
>while getopts :d:hi:f:L:m:sSt: opt; do
>    case $opt in
>	d) available_devices=`echo $OPTARG | sed s/,/" "/g`;;
>	h) usage; exit 0;;
>	i) iterations=$OPTARG;;
>	f) file_systems=$OPTARG;;
>	L) mirror_size=$OPTARG;;
>	m) mirrors=$OPTARG;;
>	s) nosync="--nosync";;
>	S) sync_before_io=1;;
>	t) linux_path=$OPTARG;;
>	:) echo "$PROG: $OPTARG requires a value:"; usage ; exit 2;;
>	\?) echo "$PROG: unknown option $OPTARG"; usage ; exit 2;;
>	*) usage; exit 0;;
>    esac
>done
>
>echo "Removing old stuff"
>vgchange -an vg; lvremove -ff vg
>
>t1=`date +%s`
>
>echo "Creating new lvs"
>for i in $(seq $file_systems); do
>    if ! lvcreate -m $mirrors -L $mirror_size $nosync -n lv$i vg $available_devices; then
>	echo "FAILED"
>	exit 1
>    fi
>done
>
>if [ $sync_before_io -ne 0 ]; then
>    echo "Waiting for mirrors to finish syncing: "
>    for i in $(seq $file_systems); do
>	wait_for_sync vg/lv$i
>    done
>fi
>
>if [ $iterations != 0 ]; then
>    echo -n "Making file systems: "
>    for i in $(seq $file_systems) ; do
>	mkfs.gfs -p lock_dlm -t brassow-neo:foo$i -j 3 -O /dev/vg/lv$i >& /dev/null &
>    done
>    if ! wait; then
>	echo "FAILED"
>	exit 1
>    fi
>    echo "Done."
>
>    echo "Mounting file systems"
>    for i in 4 5 6; do
>	for j in $(seq $file_systems) ; do
>	    echo "  Mounting neo-0$i:/dev/vg/lv$j"
>	    ssh neo-0$i mount -t gfs /dev/vg/lv$j /mnt/gfs$j &
>	done
>    done
>    if ! wait; then
>	echo "FAILED"
>	exit 1
>    fi
>    echo "Done."
>
>    echo "Starting I/O"
>    for i in 4 5 6; do
>	for j in $(seq $file_systems) ; do
>	    ssh neo-0$i ./many_tars.sh -d /mnt/gfs$j -i $iterations -t $linux_path | add_prefix "    neo-0$i:gfs$j"&
>	done
>    done
>    wait
>    echo "I/O complete"
>
>    echo "Unmounting file systems"
>    for i in 4 5 6; do
>	for j in $(seq $file_systems) ; do
>	    echo "  Unmounting neo-0$i:/dev/vg/lv$j"
>	    ssh neo-0$i umount /mnt/gfs$j &
>	done
>    done
>
>    time_waiting=0
>    machine_list=(`ps -C ssh -o cmd= | grep umount | cut -d ' ' -f 2 | cut -d '.' -f 1`)
>    ml_check=""
>    while [ ! -z ${machine_list[0]} ]; do
>	if [ "${machine_list[*]}" != "$ml_check" ]; then
>	    echo -n "Waiting for "
>	    echo -n ${machine_list[@]} | sed s/' '/,/g
>	    echo " to finish umount"
>	    ml_check=${machine_list[*]}
>	fi
>	sleep 1
>	time_waiting=$(($time_waiting + 1))
>	machine_list=(`ps -C ssh -o cmd= | grep umount | cut -d ' ' -f 2 | cut -d '.' -f 1`)
>    done
>    echo "Done."
>fi
>
>echo "Waiting for mirrors to finish syncing: "
>for i in $(seq $file_systems); do
>    wait_for_sync vg/lv$i
>done
>
>t2=`date +%s`
>echo -n "Time to run: "
>compute_time $t1 $t2
>
>echo "Comparing Mirror Legs"
>for i in $(seq $file_systems); do
>    if ! ./find_dm_diffs.pl vg/lv$i; then
>	echo "Differences found."
>	exit 1
>    fi
>done
>
>echo "Mirrors are consistent"
>exit 0

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Attachments on bug 359341: 245571 | 245581 | 257231 | 300084