- if [[ -n $NFSCLIENT ]]; then
- skip "Statahead testing is not supported on NFS clients."
- return 0
- fi
-
- [ x$MDSRATE = x ] &&
- { skip_env "mdsrate not found" && return; }
-
- local clients=$CLIENTS
- [ -z $clients ] && clients=$(hostname)
-
- local num_clients=$(get_node_count ${clients//,/ })
-
- generate_machine_file $clients $MACHINEFILE || return $?
-
- print_opts MDSRATE clients statahead_NUMMNTPTS statahead_NUMFILES
-
- # create large dir
-
- # do not use default "d[0-9]*" dir name
- # to avoid of rm $statahead_NUMFILES (500k) files in t-f cleanup
- local dir=dstatahead
- local testdir=$DIR/$dir
-
- # cleanup only if dir exists
- # cleanup only $statahead_NUMFILES number of files
- # ignore the other files created by someone else
- [ -d $testdir ] &&
- mdsrate_cleanup $((num_clients * 32)) $MACHINEFILE $statahead_NUMFILES $testdir 'f%%d' --ignore
-
- mkdir -p $testdir
- # mpi_run uses mpiuser
- chmod 0777 $testdir
-
- local num_files=$statahead_NUMFILES
-
- local IFree=$(inodes_available)
- if [ $IFree -lt $num_files ]; then
- num_files=$IFree
- fi
-
- cancel_lru_locks mdc
-
- local cmd="${MDSRATE} ${MDSRATE_DEBUG} --mknod --dir $testdir --nfiles $num_files --filefmt 'f%%d'"
- echo "+ $cmd"
-
- mpi_run -np $((num_clients * 32)) -machinefile ${MACHINEFILE} $cmd
-
- local rc=$?
- if [ $rc != 0 ] ; then
- error "mdsrate failed to create $rc"
- return $rc
- fi
-
- local num_mntpts=$statahead_NUMMNTPTS
- local mntpt_root=$TMP/mntpt/lustre
- mntopts=${MNTOPTSTATAHEAD:-$MOUNTOPT}
-
- echo "Mounting $num_mntpts lustre clients starts on $clients"
- trap "cleanup_statahead $clients $mntpt_root $num_mntpts" EXIT ERR
- for i in $(seq 0 $num_mntpts); do
- zconf_mount_clients $clients ${mntpt_root}$i $mntopts ||
- error_exit "Failed to mount lustre on ${mntpt_root}$i on $clients"
- done
-
- do_rpc_nodes $clients cancel_lru_locks mdc
-
- do_rpc_nodes $clients do_ls $mntpt_root $num_mntpts $dir
-
- mdsrate_cleanup $((num_clients * 32)) $MACHINEFILE $num_files $testdir 'f%%d' --ignore
-
- # use rm instead of rmdir because of
- # testdir could contain the files created by someone else,
- # or by previous run where is num_files prev > num_files current
- rm -rf $testdir
- cleanup_statahead $clients $mntpt_root $num_mntpts