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- #! /bin/sh
- #
- # Copyright (c) International Business Machines Corp., 2005
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implie; warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- # the GNU General Public License for more details.
- #
- # 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- #
- #
- #
- # FILE : fs_di
- #
- # PURPOSE: FileSystem Data Integrity
- # 1. Creates a data file of specified or random size and copies
- # the file to a random directory depth on a specified filesystem
- # The two files are compared and checked for differences.
- # If the files differ, then the test fails. By default, this
- # test creates a 30Mb file and runs for ten loops.
- # 2. Creates a datafile of size half of the partition size. Creates
- # two fragmented files on the specified partition and copies datafile
- # to them. Then compares both the fragmented files with datafile. If
- # files differ, then test fails.
- #
- # SETUP: None
- #
- #
- # HISTORY:
- # 28/07/09 Jyoti Vantagodi (jyotiv@linux.vnet.ibm.com)
- # Added point two of above PURPOSE
- # 04/11/05 Robbie Williamson (robbiew@us.ibm.com)
- # -Written
- #
- #***********************************************************************
- #Uncomment line below for debug output.
- #trace_logic=${trace_logic:-"set -x"}
- $trace_logic
- #-----------------------------------------------------------------------
- # Initialize local variables
- #-----------------------------------------------------------------------
- TC=${TC:=fs_di}
- TCbin=${TCbin:=`pwd`}
- TCtmp=${TCtmp:=$TMPDIR/$TC$$}
- export PATH=$PATH:$TCbin:../../../bin
- export TCID=$TC
- export TST_TOTAL=1
- export TST_COUNT=1
- # If CLEANUP is not set; set it to "ON"
- CLEANUP=${CLEANUP:="ON"}
- usage()
- {
- cat <<-EOF >&2
- usage: ./${0##*/} -d TMPDIR [-h] [-l # of LOOPS ] [-s SIZE in Mb][-S partition SIZE in Mb]
- -d TMPDIR Directory where temporary files will be created.
- -h Help. Prints all available options.
- -l # of LOOPS The number of times to run the test. Default=10.
- -s SIZE in Mb The size of the data file to create. Default=30Mb. A "0" means random sizes from 10-500Mb.
- -S SIZE in Mb Size of usable partition (in MBs) on which the testing is carried out (needs to be passed
- for fragmented file test)
- -v Verbose output.
- example: ./${0##*/} -d /mnt/cifsmount -l 20 -s 100 -S 200
- example: ./${0##*/} -d /mnt/cifsmount -l 20 -s 100
- EOF
- exit 0
- }
- #=============================================================================
- # FUNCTION NAME: end_testcase
- #
- # FUNCTION DESCRIPTION: Clean up
- #
- # PARAMETERS: None.
- #
- # RETURNS: None.
- #=============================================================================
- end_testcase()
- {
- $trace_logic
- if [ "$CLEANUP" = "ON" ]; then
- rm -rf $TCtmp
- rm -rf ${TESTFS}
- rm -f $TCtmp/testfile*
- fi
- [ $# = 0 ] && { tst_resm TPASS "Test Successful"; exit 0; }
- tst_resm TFAIL "Test Failed: $@"
- exit 1
- }
- #=============================================================================
- # FUNCTION NAME: setup_testcase
- #
- # FUNCTION DESCRIPTION: Perform the setup function for the testcase.
- #
- # PARAMETERS: None.
- #
- # RETURNS: None.
- #=============================================================================
- $trace_logic
- TMPBASE=0
- LOOPS=10
- SIZE=30
- RANDOM_SIZE=0
- DISK_SIZE=0
- while getopts d:hl:s:S:v arg
- do
- case $arg in
- d) # append $$ to TMP, as it is recursively
- # removed at end of script.
- export TMPBASE=$OPTARG
- TMP="${TMPBASE}/fs_di-$$"
- export TESTFS="$TMP";;
- h) usage
- exit 0;;
- l) # Execute user defined number of loops.
- LOOPS=$OPTARG;;
- s) # Size of data file to create
- SIZE=$OPTARG
- if [ $SIZE -eq 0 ]; then
- RANDOM_SIZE=1
- fi;;
- v) # Verbose
- trace_logic=${trace_logic:-"set -x"};;
- S) # Size of usable partition, which is used for creating creating the files
- DISK_SIZE=$OPTARG;;
- \?) usage
- exit 0;;
- esac
- done
- if [ $TMPBASE = "0" ]; then
- tst_resm TBROK "You must specify the target directory [-d]"
- exit 1
- fi
- export TST_COUNT=$LOOPS
- echo ""
- echo "Test Options:"
- echo " Tested Filesystem: $TESTFS"
- echo " Loops: $LOOPS"
- if [ $RANDOM_SIZE -eq 0 ];then
- echo " Data File Size: $SIZE"
- else
- echo " Data File Size: Random"
- fi
- sleep 5
- $trace_logic
- mkdir -p $TCtmp || end_testcase "Could not create $TCtmp"
- chmod 777 $TCtmp
- mkdir -p $TESTFS || end_testcase "Could not create $TESTFS"
- chmod 777 $TESTFS
- #=============================================================================
- # FUNCTION NAME: main
- #
- # FUNCTION DESCRIPTION: Perform the test
- #
- # PARAMETERS: None.
- #
- # RETURNS: None.
- #=============================================================================
- loopcount=0
- tst_resm TINFO "Test Started"
- while [ $loopcount -lt $LOOPS ]
- do
- if [ $RANDOM_SIZE -eq 1 ]; then
- SIZE=$RANDOM
- let "SIZE %= 500"
- while [ $SIZE -lt 10 ]
- do
- SIZE=$RANDOM
- let "SIZE %= 500"
- done
- fi
- create_datafile $SIZE $TCtmp/testfile >/dev/null
- if [ $? != 0 ]; then
- end_testcase "Could not create testfile of size ${SIZE}Mb"
- fi
- RANDOM_DEPTH=$RANDOM
- : $(( RANDOM_DEPTH %= 500 ))
- RANDOM_LENGTH=$RANDOM
- : $(( RANDOM_LENGTH %= 500 ))
- RANDOM_LENGTH=$(( $RANDOM_LENGTH / 10 ))
- NameCount=0
- DepthCount=0
- FILEPATH=""
- while [ $DepthCount -lt $RANDOM_DEPTH ]
- do
- if [ $NameCount -lt $RANDOM_LENGTH ]; then
- FILEPATH=${FILEPATH}X
- NameCount=$(( $NameCount + 1 ))
- else
- FILEPATH=${FILEPATH}/
- NameCount=0
- fi
- DepthCount=$(( $DepthCount + 1 ))
- done
- mkdir -p ${TESTFS}/${FILEPATH} || end_testcase "Could not create ${TESTFS}/${FILEPATH}"
- chmod -R 777 $TESTFS
- cp $TCtmp/testfile ${TESTFS}/${FILEPATH}
- cmp $TCtmp/testfile ${TESTFS}/${FILEPATH}/testfile
- retval=$?
- if [ "$retval" != 0 ]; then
- end_testcase "Error in loop $loopcount: cmp after write FAILED"
- fi
- cp ${TESTFS}/${FILEPATH}/testfile $TCtmp/testfile_copy
- cmp $TCtmp/testfile $TCtmp/testfile_copy
- retval=$?
- if [ "$retval" != 0 ]; then
- end_testcase "Error in loop $loopcount: cmp after read FAILED"
- fi
- rm -rf ${TESTFS}/${FILEPATH}
- rm -f $TCtmp/testfile*
- loopcount=$(( $loopcount + 1 ))
- tst_resm TINFO "Completed Loop $loopcount"
- done
- if [ "$DISK_SIZE" != 0 ]; then
- #Create a datafile of size half of the disk size
- tst_resm TINFO "Creating fragmented files. Please wait..."
- DISK_SIZE=$(( $DISK_SIZE / 2 ))
- if [ "$DISK_SIZE" == 0 ]; then
- DISK_SIZE=1
- fi
- create_datafile $DISK_SIZE $TCtmp/testfile >/dev/null
- retval=$?
- if [ "$retval" != 0 ]; then
- end_testcase "Error in creating data file"
- fi
- #Invoke frag to create 2 fragmented files and copy data file to both the files
- frag $TCtmp/testfile $TMPBASE
- retval=$?
- if [ "$retval" != 0 ]; then
- end_testcase "Error in creating frag files"
- fi
- tst_resm TINFO "Created fragmented files"
- #Compare both frag files with data file
- cmp $TCtmp/testfile $TMPBASE/frag1
- retval=$?
- if [ "$retval" != 0 ]; then
- end_testcase "frag1 and datafile are not matching"
- fi
- if [ "$retval" != 0 ]; then
- end_testcase "frag2 and datafile are not matching"
- fi
- tst_resm TINFO "Completed test with fragmented files"
- rm -rf $TMPBASE/*
- rm -f $TCtmp/testfile*
- fi
- end_testcase
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