}
run_write_disjoint() {
+ if [ "$NFSCLIENT" ]; then
+ skip "skipped for NFSCLIENT mode"
+ return
+ fi
- WRITE_DISJOINT=${WRITE_DISJOINT:-$(which write_disjoint \
- 2> /dev/null || true)}
- # threads per client
- wdisjoint_THREADS=${wdisjoint_THREADS:-4}
- wdisjoint_REP=${wdisjoint_REP:-10000}
+ WRITE_DISJOINT=${WRITE_DISJOINT:-$(which write_disjoint 2> /dev/null ||
+ true)}
- if [ "$NFSCLIENT" ]; then
- skip "skipped for NFSCLIENT mode"
- return
- fi
+ [ x$WRITE_DISJOINT = x ] &&
+ { skip_env "write_disjoint not found" && return; }
- [ x$WRITE_DISJOINT = x ] &&
- { skip_env "write_disjoint not found" && return; }
+ # threads per client
+ wdisjoint_THREADS=${wdisjoint_THREADS:-4}
+ wdisjoint_REP=${wdisjoint_REP:-10000}
+ chunk_size_limit=$1
# FIXME
# Need space estimation here.
# mpi_run uses mpiuser
chmod 0777 $testdir
- local cmd="$WRITE_DISJOINT -f $testdir/file -n $wdisjoint_REP"
+ local cmd="$WRITE_DISJOINT -f $testdir/file -n $wdisjoint_REP -m \
+ $chunk_size_limit"
echo "+ $cmd"
mpi_run ${MACHINEFILE_OPTION} ${MACHINEFILE} \
cleanup_statahead $clients $mntpt_root $num_mntpts
}
+cleanup_rr_alloc () {
+ trap 0
+ local clients="$1"
+ local mntpt_root="$2"
+ local rr_alloc_MNTPTS="$3"
+ local mntpt_dir=$(dirname ${mntpt_root})
+
+ for i in $(seq 0 $((rr_alloc_MNTPTS - 1))); do
+ zconf_umount_clients $clients ${mntpt_root}$i ||
+ error_exit "Failed to umount lustre on ${mntpt_root}$i"
+ done
+ do_nodes $clients "rm -rf $mntpt_dir"
+}
+
+run_rr_alloc() {
+ remote_mds_nodsh && skip "remote MDS with nodsh" && return
+ echo "===Test gives more reproduction percentage if number of "\
+ "client and ost are more. Test with 44 or more clients "\
+ "and 73 or more OSTs gives 100% reproduction rate=="
+
+ RR_ALLOC=${RR_ALLOC:-$(which rr_alloc 2> /dev/null || true)}
+ [ x$RR_ALLOC = x ] && { skip_env "rr_alloc not found" && return; }
+ declare -a diff_max_min_arr
+ # foeo = file on each ost. calc = calculated.
+ local ost_idx
+ local foeo_calc
+ local qos_prec_objs="${TMP}/qos_and_precreated_objects"
+ local rr_alloc_NFILES=${rr_alloc_NFILES:-555}
+ local rr_alloc_MNTPTS=${rr_alloc_MNTPTS:-11}
+ local total_MNTPTS=$((rr_alloc_MNTPTS * num_clients))
+ local mntpt_root="${TMP}/rr_alloc_mntpt/lustre"
+ if [ $MDSCOUNT -lt 2 ]; then
+ [ -e $DIR/$tdir ] || mkdir -p $DIR/$tdir
+ else
+ [ -e $DIR/$tdir ] || $LFS mkdir -i 0 $DIR/$tdir
+ fi
+ chmod 0777 $DIR/$tdir
+ $SETSTRIPE -c 1 /$DIR/$tdir
+
+ trap "cleanup_rr_alloc $clients $mntpt_root $rr_alloc_MNTPTS" EXIT ERR
+ for i in $(seq 0 $((rr_alloc_MNTPTS - 1))); do
+ zconf_mount_clients $clients ${mntpt_root}$i $MOUNT_OPTS ||
+ error_exit "Failed to mount lustre on ${mntpt_root}$i $clients"
+ done
+
+ local cmd="$RR_ALLOC $mntpt_root/$tdir/ash $rr_alloc_NFILES \
+ $num_clients"
+
+ # Save mdt values, set threshold to 100% i.e always Round Robin,
+ # restore the saved values again after creating files...
+ save_lustre_params mds1 \
+ "lov.$FSNAME-MDT0000*.qos_threshold_rr" > $qos_prec_objs
+ save_lustre_params mds1 \
+ "osp.$FSNAME-OST*-osc-MDT0000.create_count" >> $qos_prec_objs
+
+ local old_create_count=$(grep -e "create_count" $qos_prec_objs |
+ cut -d'=' -f 2 | sort -nr | head -n1)
+
+ # Make sure that every osp has enough precreated objects for the file
+ # creation app
+
+ # create_count is always set to the power of 2 only, so if the files
+ # per OST are not multiple of that then it will be set to nearest
+ # lower power of 2. So set 'create_count' to the upper power of 2.
+
+ foeo_calc=$((rr_alloc_NFILES * total_MNTPTS / OSTCOUNT))
+ local create_count=$((2 * foeo_calc))
+ do_facet mds1 "$LCTL set_param -n \
+ lov.$FSNAME-MDT0000*.qos_threshold_rr 100 \
+ osp.$FSNAME-OST*-osc-MDT0000.create_count $create_count" ||
+ error "failed while setting qos_threshold_rr & creat_count"
+
+ # Create few temporary files in order to increase the precreated objects
+ # to a desired value, before starting 'rr_alloc' app. Due to default
+ # value 32 of precreation count (OST_MIN_PRECREATE=32), precreated
+ # objects available are 32 initially, these gets exhausted very soon,
+ # which causes skip of some osps when very large number of files
+ # is created per OSTs.
+ createmany -o $DIR/$tdir/foo- $(((old_create_count + 1) * OSTCOUNT)) \
+ > /dev/null
+ rm -f /$DIR/$tdir/foo*
+
+ # Check for enough precreated objects... We should not
+ # fail here because code(osp_precreate.c) also takes care of it.
+ # So we have good chances of passing test even if this check fails.
+ local mdt_idx=0
+ for ost_idx in $(seq 0 $((OSTCOUNT - 1))); do
+ [[ $(precreated_ost_obj_count $mdt_idx $ost_idx) -ge \
+ $foeo_calc ]] || echo "Warning: test may fail because" \
+ "of lack of precreated objects on OST${ost_idx}"
+ done
+
+ if [[ $total_MNTPTS -ne 0 ]]; then
+ # Now start the actual file creation app.
+ mpi_run "-np $total_MNTPTS" $cmd || return
+ else
+ error "No mount point"
+ fi
+
+ restore_lustre_params < $qos_prec_objs
+ rm -f $qos_prec_objs
+
+ diff_max_min_arr=($($GETSTRIPE -r $DIR/$tdir/ |
+ grep "lmm_stripe_offset:" | awk '{print $2}' | sort -n |
+ uniq -c | awk 'NR==1 {min=max=$1} \
+ { $1<min ? min=$1 : min; $1>max ? max=$1 : max} \
+ END {print max-min, max, min}'))
+
+ rm -rf $DIR/$tdir
+
+ # In-case of fairly large number of file creation using RR (round-robin)
+ # there can be two cases in which deviation will occur than the regular
+ # RR algo behaviour-
+ # 1- When rr_alloc does not start right with 'lqr_start_count' reseeded,
+ # 2- When rr_alloc does not finish with 'lqr_start_count == 0'.
+ # So the difference of files b/w any 2 OST should not be more than 2.
+ [[ ${diff_max_min_arr[0]} -le 2 ]] ||
+ error "Uneven distribution detected: difference between" \
+ "maximum files per OST (${diff_max_min_arr[1]}) and" \
+ "minimum files per OST (${diff_max_min_arr[2]}) must not be" \
+ "greater than 2"
+}
+
run_fs_test() {
# fs_test.x is the default name for exe
FS_TEST=${FS_TEST:=$(which fs_test.x 2> /dev/null || true)}
rm -rf $testdir
}
+run_xdd() {
+ XDD=${XDD:=$(which xdd 2> /dev/null || true)}
+
+ local clients=${CLIENTS:-$(hostname)}
+ local testdir=$DIR/d0.xdd
+ xdd_queuedepth=${xdd_queuedepth:-4}
+ xdd_blocksize=${xdd_blocksize:-512}
+ xdd_reqsize=${xdd_reqsize:-128}
+ xdd_mbytes=${xdd_mbytes:-100}
+ xdd_passes=${xdd_passes:-40}
+ xdd_rwratio=${xdd_rwratio:-0}
+ xdd_ntargets=${xdd_ntargets:-6}
+ local xdd_custom_params=${xdd_custom_params:-"-dio -stoponerror \
+ -maxpri -minall -noproclock -nomemlock"}
+
+ [ x$XDD = x ] &&
+ { skip "XDD not found" && return; }
+
+ print_opts XDD clients xdd_queuedepth xdd_blocksize xdd_reqsize \
+ xdd_mbytes xdd_passes xdd_rwratio
+
+ mkdir -p $testdir
+
+ local files=""
+ # Target files creates based on the given number of targets
+ for (( i=0; i < $xdd_ntargets; i++ ))
+ do
+ files+="${testdir}/xdd"$i" "
+ done
+
+ # -targets specifies the devices or files to perform operation
+ # -reqsize number of 'blocks' per operation
+ # -mbytes number of 1024*1024-byte blocks to transfer
+ # -blocksize size of a single 'block'
+ # -passes number of times to read mbytes
+ # -queuedepth number of commands to queue on the target
+ # -rwratio percentage of read to write operations
+ # -verbose will print out statistics on each pass
+
+ local cmd="$XDD -targets $xdd_ntargets $files -reqsize $xdd_reqsize \
+ -mbytes $xdd_mbytes -blocksize $xdd_blocksize \
+ -passes $xdd_passes -queuedepth $xdd_queuedepth \
+ -rwratio $xdd_rwratio -verbose $xdd_custom_params"
+ echo "+ $cmd"
+
+ local rc=0
+ do_nodesv $clients "$cmd "
+ rc=$?
+
+ [ $rc = 0 ] || error "xdd failed: $rc"
+
+ rm -rf $testdir
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff