lustre/tests/acceptance-small.sh

   1 #!/bin/bash
   2 # script which _must_ complete successfully (at minimum) before checkins to
   3 # the CVS HEAD are allowed.
   4 #set -vx
   5 set -e
   6
   7 [ -z "$CONFIG" -a "$NAME" ] && CONFIGS=$NAME
   8 [ "$CONFIGS" ] || CONFIGS="local"  #"local lov"
   9 [ "$MAX_THREADS" ] || MAX_THREADS=20
  10 RAMKB=`awk '/MemTotal:/ { print $2 }' /proc/meminfo`
  11 if [ -z "$THREADS" ]; then
  12         THREADS=$((RAMKB / 16384))
  13         [ $THREADS -gt $MAX_THREADS ] && THREADS=$MAX_THREADS
  14 fi
  15 [ "$SIZE" ] || SIZE=$((RAMKB * 2))
  16 [ "$RSIZE" ] || RSIZE=512
  17 [ "$UID" ] || UID=1000
  18 [ "$MOUNT" ] || MOUNT=/mnt/lustre
  19 [ "$MOUNT2" ] || MOUNT2=${MOUNT}2
  20 [ "$TMP" ] || TMP=/tmp
  21 [ "$COUNT" ] || COUNT=1000
  22 [ "$DEBUG_LVL" ] || DEBUG_LVL=0
  23 [ "$DEBUG_OFF" ] || DEBUG_OFF="eval lctl set_param debug=\"$DEBUG_LVL\""
  24 [ "$DEBUG_ON" ] || DEBUG_ON="eval lctl set_param debug=0x33f0484"
  25
  26 export TESTSUITE_LIST="RUNTESTS SANITY DBENCH BONNIE IOZONE FSX SANITYN LFSCK LIBLUSTRE RACER REPLAY_SINGLE CONF_SANITY RECOVERY_SMALL REPLAY_OST_SINGLE REPLAY_DUAL REPLAY_VBR INSANITY SANITY_QUOTA SANITY_SEC SANITY_GSS PERFORMANCE_SANITY LARGE_SCALE RECOVERY_MDS_SCALE RECOVERY_DOUBLE_SCALE RECOVERY_RANDOM_SCALE"
  27
  28 if [ "$ACC_SM_ONLY" ]; then
  29     for O in $TESTSUITE_LIST; do
  30         export ${O}="no"
  31     done
  32     for O in $ACC_SM_ONLY; do
  33         O=`echo ${O%.sh} | tr "-" "_"`
  34         O=`echo $O | tr "[:lower:]" "[:upper:]"`
  35         export ${O}="yes"
  36     done
  37 fi
  38 LFSCK="no" # bug 13698
  39 RECOVERY_RANDOM_SCALE="no" # bug 16353
  40
  41 LIBLUSTRETESTS=${LIBLUSTRETESTS:-../liblustre/tests}
  42
  43 STARTTIME=`date +%s`
  44 RANTEST=""
  45
  46 LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
  47 . $LUSTRE/tests/test-framework.sh
  48 init_test_env $@
  49
  50 if $GSS; then
  51     # liblustre doesn't support GSS
  52     export LIBLUSTRE=no
  53 else
  54     export SANITY_GSS="no"
  55 fi
  56
  57 SETUP=${SETUP:-setupall}
  58 FORMAT=${FORMAT:-formatall}
  59 CLEANUP=${CLEANUP:-stopall}
  60
  61 setup_if_needed() {
  62     local MOUNTED=$(mounted_lustre_filesystems)
  63     if $(echo $MOUNTED | grep -w -q $MOUNT); then
  64         check_config $MOUNT
  65         init_facets_vars
  66         init_param_vars
  67         return
  68     fi
  69
  70     echo "Lustre is not mounted, trying to do setup SETUP=$SETUP ... "
  71     [ "$REFORMAT" ] && $FORMAT
  72     $SETUP
  73
  74     MOUNTED=$(mounted_lustre_filesystems)
  75     if ! $(echo $MOUNTED | grep -w -q $MOUNT); then
  76         echo "Lustre is not mounted after setup! SETUP=$SETUP"
  77         exit 1
  78     fi
  79 }
  80
  81 title() {
  82     # update titlebar if stdin is attaached to an xterm
  83     if ${UPDATE_TITLEBAR:-false}; then
  84         if tty -s; then
  85             case $TERM in
  86                 xterm*)
  87                     echo -ne "\033]2; acceptance-small: $* \007" >&0
  88                     ;;
  89             esac
  90         fi
  91     fi
  92     log "-----============= acceptance-small: "$*" ============----- `date`"
  93     RANTEST=${RANTEST}$*", "
  94 }
  95
  96 skip_remost()
  97 {
  98         remote_ost_nodsh && log "SKIP: $1: remote OST with nodsh" && return 0
  99         return 1
 100 }
 101
 102 skip_remmds()
 103 {
 104         remote_mds_nodsh && log "SKIP: $1: remote MDS with nodsh" && return 0
 105         return 1
 106 }
 107
 108 for NAME in $CONFIGS; do
 109         export NAME MOUNT START CLEAN
 110         . $LUSTRE/tests/cfg/$NAME.sh
 111
 112         if [ ! -f /lib/modules/$(uname -r)/kernel/fs/lustre/mds.ko -a \
 113             ! -f `dirname $0`/../mds/mds.ko ]; then
 114             export CLIENTMODSONLY=true
 115         fi
 116
 117         assert_env mds_HOST MDS_MKFS_OPTS
 118         assert_env ost_HOST OST_MKFS_OPTS OSTCOUNT
 119         assert_env FSNAME MOUNT MOUNT2
 120
 121         setup_if_needed
 122
 123         MSKIPPED=0
 124         OSKIPPED=0
 125         if [ "$RUNTESTS" != "no" ]; then
 126                 title runtests
 127                 bash runtests
 128                 $CLEANUP
 129                 $SETUP
 130                 RUNTESTS="done"
 131         fi
 132
 133         if [ "$SANITY" != "no" ]; then
 134                 title sanity
 135                 MOUNT2="" bash sanity.sh
 136                 $CLEANUP
 137                 $SETUP
 138                 SANITY="done"
 139         fi
 140
 141         which dbench > /dev/null 2>&1 || DBENCH=no
 142         if [ "$DBENCH" != "no" ]; then
 143                 title dbench
 144                 DBENCHDIR=$MOUNT/$HOSTNAME
 145                 mkdir -p $DBENCHDIR
 146                 SPACE=`df -P $MOUNT | tail -n 1 | awk '{ print $4 }'`
 147                 DB_THREADS=$((SPACE / 50000))
 148                 [ $THREADS -lt $DB_THREADS ] && DB_THREADS=$THREADS
 149
 150                 $DEBUG_OFF
 151                 myUID=$RUNAS_ID
 152                 myRUNAS=$RUNAS
 153                 FAIL_ON_ERROR=false check_runas_id_ret $myUID $myUID $myRUNAS || { myRUNAS="" && myUID=$UID; }
 154                 chown $myUID:$myUID $DBENCHDIR
 155                 duration=""
 156                 [ "$SLOW" = "no" ] && duration=" -t 120"
 157                 if [ "$SLOW" != "no" -o $DB_THREADS -eq 1 ]; then
 158                         $myRUNAS bash rundbench -D $DBENCHDIR 1 $duration || error "dbench failed!"
 159                         $DEBUG_ON
 160                         $CLEANUP
 161                         $SETUP
 162                 fi
 163                 if [ $DB_THREADS -gt 1 ]; then
 164                         $DEBUG_OFF
 165                         $myRUNAS bash rundbench -D $DBENCHDIR $DB_THREADS $duration
 166                         $DEBUG_ON
 167                         $CLEANUP
 168                         $SETUP
 169                 fi
 170                 rm -rf $DBENCHDIR
 171                 DBENCH="done"
 172         fi
 173
 174         which bonnie++ > /dev/null 2>&1 || BONNIE=no
 175         if [ "$BONNIE" != "no" ]; then
 176                 title bonnie
 177                 BONDIR=$MOUNT/d0.bonnie
 178                 mkdir -p $BONDIR
 179                 $LFS setstripe -c -1 $BONDIR
 180                 sync
 181                 MIN=`lctl get_param -n osc.*.kbytesavail | sort -n | head -n1`
 182                 SPACE=$(( OSTCOUNT * MIN ))
 183                 [ $SPACE -lt $SIZE ] && SIZE=$((SPACE * 3 / 4))
 184                 log "min OST has ${MIN}kB available, using ${SIZE}kB file size"
 185                 $DEBUG_OFF
 186                 myUID=$RUNAS_ID
 187                 myRUNAS=$RUNAS
 188                 FAIL_ON_ERROR=false check_runas_id_ret $myUID $myUID $myRUNAS || { myRUNAS="" && myUID=$UID; }
 189                 chown $myUID:$myUID $BONDIR
 190                 $myRUNAS bonnie++ -f -r 0 -s$((SIZE / 1024)) -n 10 -u$myUID:$myUID -d$BONDIR
 191                 $DEBUG_ON
 192                 $CLEANUP
 193                 $SETUP
 194                 BONNIE="done"
 195         fi
 196
 197         export O_DIRECT
 198         [ "$SLOW" = "no" ] && export IOZONE=no # 5 minutes
 199
 200         which iozone > /dev/null 2>&1 || IOZONE=no
 201         if [ "$IOZONE" != "no" ]; then
 202                 title iozone
 203                 IOZDIR=$MOUNT/d0.iozone
 204                 mkdir -p $IOZDIR
 205                 $LFS setstripe -c -1 $IOZDIR
 206                 sync
 207                 MIN=`lctl get_param -n osc.*.kbytesavail | sort -n | head -n1`
 208                 SPACE=$(( OSTCOUNT * MIN ))
 209                 [ $SPACE -lt $SIZE ] && SIZE=$((SPACE * 3 / 4))
 210                 log "min OST has ${MIN}kB available, using ${SIZE}kB file size"
 211                 IOZONE_OPTS="-i 0 -i 1 -i 2 -e -+d -r $RSIZE"
 212                 IOZFILE="$IOZDIR/iozone"
 213                 IOZLOG=$TMP/iozone.log
 214                 # $SPACE was calculated with all OSTs
 215                 $DEBUG_OFF
 216                 myUID=$RUNAS_ID
 217                 myRUNAS=$RUNAS
 218                 FAIL_ON_ERROR=false check_runas_id_ret $myUID $myUID $myRUNAS || { myRUNAS="" && myUID=$UID; }
 219                 chown $myUID:$myUID $IOZDIR
 220                 $myRUNAS iozone $IOZONE_OPTS -s $SIZE -f $IOZFILE 2>&1 | tee $IOZLOG
 221                 tail -1 $IOZLOG | grep -q complete || \
 222                         { error "iozone (1) failed" && false; }
 223                 rm -f $IOZLOG
 224                 $DEBUG_ON
 225                 $CLEANUP
 226                 $SETUP
 227
 228                 # check if O_DIRECT support is implemented in kernel
 229                 if [ -z "$O_DIRECT" ]; then
 230                         touch $MOUNT/f.iozone
 231                         if ! ./directio write $MOUNT/f.iozone 0 1; then
 232                                 log "SKIP iozone DIRECT IO test"
 233                                 O_DIRECT=no
 234                         fi
 235                         rm -f $MOUNT/f.iozone
 236                 fi
 237                 if [ "$O_DIRECT" != "no" -a "$IOZONE_DIR" != "no" ]; then
 238                         $DEBUG_OFF
 239                         $myRUNAS iozone -I $IOZONE_OPTS -s $SIZE -f $IOZFILE.odir 2>&1 | tee $IOZLOG
 240                         tail -1 $IOZLOG | grep -q complete || \
 241                                 { error "iozone (2) failed" && false; }
 242                         rm -f $IOZLOG
 243                         $DEBUG_ON
 244                         $CLEANUP
 245                         $SETUP
 246                 fi
 247
 248                 SPACE=`df -P $MOUNT | tail -n 1 | awk '{ print $4 }'`
 249                 IOZ_THREADS=$((SPACE / SIZE * 2 / 3 ))
 250                 [ $THREADS -lt $IOZ_THREADS ] && IOZ_THREADS=$THREADS
 251                 IOZVER=`iozone -v | awk '/Revision:/ {print $3}' | tr -d .`
 252                 if [ "$IOZ_THREADS" -gt 1 -a "$IOZVER" -ge 3145 ]; then
 253                         $LFS setstripe -c -1 $IOZDIR
 254                         $DEBUG_OFF
 255                         THREAD=1
 256                         IOZFILE=" "
 257                         while [ $THREAD -le $IOZ_THREADS ]; do
 258                                 IOZFILE="$IOZFILE $IOZDIR/iozone.$THREAD"
 259                                 THREAD=$((THREAD + 1))
 260                         done
 261                         $myRUNAS iozone $IOZONE_OPTS -s $((SIZE / IOZ_THREADS)) -t $IOZ_THREADS -F $IOZFILE 2>&1 | tee $IOZLOG
 262                         tail -1 $IOZLOG | grep -q complete || \
 263                                 { error "iozone (3) failed" && false; }
 264                         rm -f $IOZLOG
 265                         $DEBUG_ON
 266                         $CLEANUP
 267                         $SETUP
 268                 elif [ $IOZVER -lt 3145 ]; then
 269                         VER=`iozone -v | awk '/Revision:/ { print $3 }'`
 270                         echo "iozone $VER too old for multi-thread test"
 271                 fi
 272                 IOZONE="done"
 273         fi
 274
 275         if [ "$FSX" != "no" ]; then
 276                 title fsx
 277                 FSX_SIZE=$((RAMKB / 2))
 278                 SPACE=`df -P $MOUNT | tail -n 1 | awk '{ print $4 }'`
 279                 [ $SPACE -lt $FSX_SIZE ] && FSX_SIZE=$((SPACE * 3 / 4))
 280                 $DEBUG_OFF
 281                 FSX_SEED=${FSX_SEED:-$RANDOM}
 282                 rm -f $MOUNT/fsxfile
 283                 $LFS setstripe -c -1 $MOUNT/fsxfile
 284                 echo Using FSX_SEED=$FSX_SEED FSX_SIZE=$FSX_SIZE COUNT=$COUNT
 285                 ./fsx -c 50 -p 1000 -S $FSX_SEED -P $TMP -l $FSX_SIZE \
 286                         -N $(($COUNT * 100)) $MOUNT/fsxfile
 287                 $DEBUG_ON
 288                 $CLEANUP
 289                 $SETUP
 290                 FSX="done"
 291         fi
 292
 293         if [ "$SANITYN" != "no" ]; then
 294                 title sanityN
 295                 $DEBUG_OFF
 296
 297                 mkdir -p $MOUNT2
 298                 mount_client $MOUNT2
 299                 #echo "can't mount2 for '$NAME', skipping sanityN.sh"
 300                 START=: CLEAN=: bash sanityN.sh
 301                 [ "$(mount | grep $MOUNT2)" ] && umount $MOUNT2
 302
 303                 $DEBUG_ON
 304                 $CLEANUP
 305                 $SETUP
 306                 SANITYN="done"
 307         fi
 308
 309         [ "$LFSCK" != "no" ] && remote_mds && log "Remote MDS, skipping LFSCK test" && LFSCK=no && MSKIPPED=1
 310         [ "$LFSCK" != "no" ] && remote_ost && log "Remote OST, skipping LFSCK test" && LFSCK=no && OSKIPPED=1
 311         if [ "$LFSCK" != "no" ]; then
 312                 title lfsck
 313                 if [ -x /usr/sbin/lfsck ]; then
 314                         bash lfscktest.sh
 315                 else
 316                         log "$($E2FSCK -V)"
 317                         log "SKIP: $E2FSCK does not support lfsck"
 318                 fi
 319                 LFSCK="done"
 320         fi
 321
 322         [ "$NETTYPE" = "tcp" -o "$NETTYPE" = "ptl" ] || LIBLUSTRE=no # bug 15660
 323         if [ "$LIBLUSTRE" != "no" ] && ! check_versions ; then
 324                 skip liblustre version mismatch: cli $CLIVER, mds $MDSVER, ost $OSTVER
 325                 LIBLUSTRE=no    # bug 17696
 326         fi
 327         if [ "$LIBLUSTRE" != "no" ]; then
 328                 title liblustre
 329                 assert_env MGSNID MOUNT2
 330                 export LIBLUSTRE_MOUNT_POINT=$MOUNT2
 331                 export LIBLUSTRE_MOUNT_RETRY=5
 332                 export LIBLUSTRE_MOUNT_TARGET=$MGSNID:/$FSNAME
 333                 export LIBLUSTRE_TIMEOUT=`lctl get_param -n timeout`
 334                 #export LIBLUSTRE_DEBUG_MASK=`lctl get_param -n debug`
 335                 if [ -x $LIBLUSTRETESTS/sanity ]; then
 336                         mkdir -p $MOUNT2
 337                         echo $LIBLUSTRETESTS/sanity --target=$LIBLUSTRE_MOUNT_TARGET
 338                         $LIBLUSTRETESTS/sanity --target=$LIBLUSTRE_MOUNT_TARGET
 339                 fi
 340                 $CLEANUP
 341                 #$SETUP
 342                 LIBLUSTRE="done"
 343         fi
 344
 345         [ "$RACER" != "no" ] && [ -n "$CLIENTS" -a "$PDSH" = "no_dsh" ] && log "Remote client with no_dsh" && RACER=no
 346         if [ "$RACER" != "no" ]; then
 347                 title racer
 348                 setup_if_needed
 349                 DURATION=${DURATION:-900}
 350                 [ "$SLOW" = "no" ] && DURATION=300
 351                 RACERCLIENTS=$HOSTNAME
 352                 [ ! -z ${CLIENTS} ] && RACERCLIENTS=$CLIENTS
 353                 log "racer on clients: $RACERCLIENTS DURATION=$DURATION RACERDIRS=$RACERDIRS"
 354                 CLIENTS=${RACERCLIENTS} DURATION=$DURATION bash runracer $RACERDIRS
 355                 $CLEANUP
 356                 $SETUP
 357                 RACER="done"
 358         fi
 359 done
 360
 361 [ "$REPLAY_SINGLE" != "no" ] && skip_remmds replay-single && REPLAY_SINGLE=no && MSKIPPED=1
 362 if [ "$REPLAY_SINGLE" != "no" ]; then
 363         title replay-single
 364         bash replay-single.sh
 365         REPLAY_SINGLE="done"
 366 fi
 367
 368 [ "$CONF_SANITY" != "no" ] && skip_remmds conf-sanity && CONF_SANITY=no && MSKIPPED=1
 369 [ "$CONF_SANITY" != "no" ] && skip_remost conf-sanity && CONF_SANITY=no && OSKIPPED=1
 370 if [ "$CONF_SANITY" != "no" ]; then
 371         title conf-sanity
 372         bash conf-sanity.sh
 373         CONF_SANITY="done"
 374 fi
 375
 376 [ "$RECOVERY_SMALL" != "no" ] && skip_remmds recover-small && RECOVERY_SMALL=no && MSKIPPED=1
 377 if [ "$RECOVERY_SMALL" != "no" ]; then
 378         title recovery-small
 379         bash recovery-small.sh
 380         RECOVERY_SMALL="done"
 381 fi
 382
 383 [ "$REPLAY_OST_SINGLE" != "no" ] && skip_remost replay-ost-single && REPLAY_OST_SINGLE=no && OSKIPPED=1
 384 if [ "$REPLAY_OST_SINGLE" != "no" ]; then
 385         title replay-ost-single
 386         bash replay-ost-single.sh
 387         REPLAY_OST_SINGLE="done"
 388 fi
 389
 390 [ "$REPLAY_DUAL" != "no" ] && skip_remost replay-dual && REPLAY_DUAL=no && OSKIPPED=1
 391 if [ "$REPLAY_DUAL" != "no" ]; then
 392         title replay-dual
 393         bash replay-dual.sh
 394         REPLAY_DUAL="done"
 395 fi
 396
 397 [ "$REPLAY_VBR" != "no" ] && skip_remmds replay-vbr && REPLAY_VBR=no && MSKIPPED=1
 398 if [ "$REPLAY_VBR" != "no" ]; then
 399         title replay-vbr
 400         bash replay-vbr.sh
 401         REPLAY_VBR="done"
 402 fi
 403
 404 [ "$INSANITY" != "no" ] && skip_remmds insanity && INSANITY=no && MSKIPPED=1
 405 [ "$INSANITY" != "no" ] && skip_remost insanity && INSANITY=no && OSKIPPED=1
 406 if [ "$INSANITY" != "no" ]; then
 407         title insanity
 408         bash insanity.sh -r
 409         INSANITY="done"
 410 fi
 411
 412 [ "$SANITY_QUOTA" != "no" ] && skip_remmds sanity-quota && SANITY_QUOTA=no && MSKIPPED=1
 413 [ "$SANITY_QUOTA" != "no" ] && skip_remost sanity-quota && SANITY_QUOTA=no && OSKIPPED=1
 414 if [ "$SANITY_QUOTA" != "no" ]; then
 415         title sanity-quota
 416         bash sanity-quota.sh
 417         SANITY_QUOTA="done"
 418 fi
 419
 420 [ "$SANITY_SEC" != "no" ] && skip_remmds sanity-sec && SANITY_SEC=no && MSKIPPED=1
 421 [ "$SANITY_SEC" != "no" ] && skip_remost sanity-sec && SANITY_SEC=no && OSKIPPED=1
 422 if [ "$SANITY_SEC" != "no" ]; then
 423         title sanity-sec
 424         bash sanity-sec.sh
 425         SANITY_SEC="done"
 426 fi
 427
 428 [ "$SANITY_GSS" != "no" ] && skip_remmds sanity-gss && SANITY_GSS=no && MSKIPPED=1
 429 if [ "$SANITY_GSS" != "no" ]; then
 430         title sanity-gss
 431         bash sanity-gss.sh
 432         SANITY_GSS="done"
 433 fi
 434
 435 [ "$SLOW" = no ] && PERFORMANCE_SANITY="no"
 436 [ -x "$MDSRATE" ] || PERFORMANCE_SANITY="no"
 437 which mpirun > /dev/null 2>&1 || PERFORMANCE_SANITY="no"
 438 if [ "$PERFORMANCE_SANITY" != "no" ]; then
 439         title performance-sanity
 440         bash performance-sanity.sh
 441         PERFORMANCE_SANITY="done"
 442 fi
 443
 444 [ "$LARGE_SCALE" != "no" ] && skip_remmds large-scale && LARGE_SCALE=no && MSKIPPED=1
 445 if [ "$LARGE_SCALE" != "no" ]; then
 446         title large-scale
 447         bash large-scale.sh
 448         LARGE_SCALE="done"
 449 fi
 450
 451 [ "$RECOVERY_MDS_SCALE" != "no" ] && skip_remmds recovery-mds-scale && RECOVERY_MDS_SCALE=no && MSKIPPED=1
 452 [ "$RECOVERY_MDS_SCALE" != "no" ] && skip_remost recovery-mds-scale && RECOVERY_MDS_SCALE=no && OSKIPPED=1
 453 if [ "$RECOVERY_MDS_SCALE" != "no" ]; then
 454         title recovery-mds-scale
 455         bash recovery-mds-scale.sh
 456         RECOVERY_MDS_SCALE="done"
 457 fi
 458
 459 [ "$RECOVERY_DOUBLE_SCALE" != "no" ] && skip_remmds recovery-double-scale && RECOVERY_DOUBLE_SCALE=no && MSKIPPED=1
 460 [ "$RECOVERY_DOUBLE_SCALE" != "no" ] && skip_remost recovery-double-scale && RECOVERY_DOUBLE_SCALE=no && OSKIPPED=1
 461 if [ "$RECOVERY_DOUBLE_SCALE" != "no" ]; then
 462         title recovery-double-scale
 463         bash recovery-double-scale.sh
 464         RECOVERY_DOUBLE_SCALE="done"
 465 fi
 466
 467 [ "$RECOVERY_RANDOM_SCALE" != "no" ] && skip_remmds recovery-double-scale && RECOVERY_RANDOM_SCALE=no && MSKIPPED=1
 468 if [ "$RECOVERY_RANDOM_SCALE" != "no" ]; then
 469         title recovery-random-scale
 470         bash recovery-random-scale.sh
 471         RECOVERY_RANDOM_SCALE="done"
 472 fi
 473
 474 RC=$?
 475 title FINISHED
 476 echo "Finished at `date` in $((`date +%s` - $STARTTIME))s"
 477 echo "Tests ran: $RANTEST"
 478 print_summary
 479 [ "$MSKIPPED" = 1 ] && log "FAIL: remote MDS tests skipped" && RC=1
 480 [ "$OSKIPPED" = 1 ] && log "FAIL: remote OST tests skipped" && RC=1
 481 echo "$0: completed with rc $RC" && exit $RC