+test19_io_base() {
+ local comp_file=$1
+ local already_created=${2:-0}
+ local rw_len=$((3 * 1024 * 1024)) # 3M
+ local flg_opts=""
+ local found=""
+
+ if [ $already_created != 1 ]; then
+ test_mkdir -p $DIR/$tdir
+ $LFS setstripe --extension-size 64M -c 1 -E -1 $comp_file ||
+ error "Create $comp_file failed"
+ fi
+
+ # write past end of first component, so it is extended
+ dd if=/dev/zero of=$comp_file bs=1M count=1 seek=127 conv=notrunc ||
+ error "dd to extend failed"
+
+ local ost_idx1=$($LFS getstripe -I1 -i $comp_file)
+ local ost_idx2=$($LFS getstripe -I2 -i $comp_file)
+
+ [ $ost_idx1 -eq $ost_idx2 ] && error "$ost_idx1 == $ost_idx2"
+ [ $ost_idx2 -ne "-1" ] && error "second component init $ost_idx2"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 0 -E 128M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: Extended first component not found"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 128M -E EOF $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: Second component not found"
+
+ small_write $comp_file $rw_len || error "Verify RW failed"
+
+ sel_layout_sanity $comp_file 2
+}
+
+# Self-extending PFL tests
+test_19a() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ test19_io_base $DIR/$tdir/$tfile
+}
+run_test 19a "Simple test of extension behavior"
+
+# Same as 19a, but with default layout set on directory rather than on file
+test_19b() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+ $LFS setstripe --ext-size 64M -c 1 -E -1 $DIR/$tdir ||
+ error "Setstripe on $DIR/$tdir failed"
+
+ touch $comp_file
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 0 -E 64M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Inheritance: wrong first component size"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 64M -E EOF $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Inheritance: Second component not found"
+
+ test19_io_base $comp_file 1
+}
+run_test 19b "Simple test of SEL as default layout"
+
+# Test behavior when seeking deep in a file
+test_19c() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ $LFS setstripe -z 128M -E 1G -E -1 $comp_file ||
+ error "Create $comp_file failed"
+
+ # write past end of first component, so it is extended
+ dd if=/dev/zero of=$comp_file bs=1M count=1 seek=130 conv=notrunc ||
+ error "dd to extend failed"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 0M -E 256M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: first extension component not found"
+
+ flg_opts="--comp-flags extension,^init"
+ found=$($LFS find --comp-start 256M -E 1024M $flg_opts $comp_file |\
+ wc -l)
+ [ $found -eq 1 ] || error "Write: second extension component not found"
+
+ local end_1=$($LFS getstripe -I1 -E $comp_file)
+
+ # 256 MiB
+ [ $end_1 -eq 268435456 ] ||
+ error "end of first component $end_1 != 268435456"
+
+ # Write past end of extension space component, in to normal component
+ # should exhaust & remove extension component
+ dd if=/dev/zero bs=1M count=1 seek=1100 of=$comp_file conv=notrunc ||
+ error "dd distant seek failed"
+
+ local ost_idx1=$($LFS getstripe -I1 -i $comp_file)
+ # the last component index is 3
+ local ost_idx2=$($LFS getstripe -I3 -i $comp_file)
+
+ [ $ost_idx1 -eq $ost_idx2 ] && error "$ost_idx1 == $ost_idx2"
+
+ local start1=$($LFS getstripe -I1 --comp-start $comp_file)
+ local end1=$($LFS getstripe -I1 -E $comp_file)
+ local start2=$($LFS getstripe -I3 --comp-start $comp_file)
+ local end2=$($LFS getstripe -I3 -E $comp_file)
+
+ [ $start1 -eq 0 ] || error "start of first component incorrect"
+ [ $end1 -eq 1073741824 ] || error "end of first component incorrect"
+ [ $start2 -eq 1073741824 ] ||
+ error "start of second component incorrect"
+ [ "$end2" = "EOF" ] || error "end of second component incorrect"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 0 ] || error "Seek Write: extension component exists"
+
+ sel_layout_sanity $comp_file 2
+}
+run_test 19c "Test self-extending layout seeking behavior"
+
+test_19d() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ $LFS setstripe -E 128M -c 1 -z 64M -E -1 $comp_file ||
+ error "Create $comp_file failed"
+
+ # This will cause component 1 to be extended to 128M, then the
+ # extension space component will be removed
+ dd if=/dev/zero of=$comp_file bs=130M count=1 ||
+ error "dd to extend failed"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 0M -E 128M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: first component not found"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 128M -E EOF $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: second component not found"
+
+ sel_layout_sanity $comp_file 2
+
+ # always remove large files in case of DO_CLEANUP=false
+ rm -f $comp_file || error "Delete $comp_file failed"
+}
+run_test 19d "Test write which completely spans extension space component"
+
+test_19e_check() {
+ comp_file=$1
+
+ local comp2_flags=$($LFS getstripe -I2 --comp-flags $comp_file)
+ local comp3_flags=$($LFS getstripe -I3 --comp-flags $comp_file)
+
+ [ "$comp2_flags" != "init" ] && error "$comp2_flags != init"
+ [ "$comp3_flags" != "extension" ] && error "$comp3_flags != extension"
+
+ local flg_opts=" --comp-start 2M -E 66M --comp-flags init"
+ local found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: extended second component not found"
+
+ flg_opts="--comp-start 66M -E EOF --comp-flags extension"
+ found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: third component not found"
+
+ sel_layout_sanity $comp_file 3
+}
+
+test_19e() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local rw_len=$((3 * 1024 * 1024)) # 3M
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ $LFS setstripe -E 2m -E -1 -z 64M $comp_file ||
+ error "Create $comp_file failed"
+
+ replay_barrier $SINGLEMDS
+
+ #instantiate & extend second component
+ dd if=/dev/zero of=$comp_file bs=4M count=1 ||
+ error "dd to extend failed"
+
+ local ost_idx2=$($LFS getstripe -I2 -i $comp_file)
+ local ost_idx3=$($LFS getstripe -I3 -i $comp_file)
+
+ [ $ost_idx2 -eq $ost_idx3 ] && error "$ost_idx2 == $ost_idx3"
+ [ $ost_idx3 -ne "-1" ] && error "third component init $ost_idx3"
+
+ test_19e_check $comp_file
+
+ local f1=$($LFS getstripe -I2 $comp_file | awk '/l_fid:/ {print $7}')
+ echo "before MDS recovery, the ost fid of 2nd component is $f1"
+
+ fail $SINGLEMDS
+
+ local f2=$($LFS getstripe -I2 $comp_file | awk '/l_fid:/ {print $7}')
+ echo "after MDS recovery, the ost fid of 2nd component is $f2"
+ [ "x$f1" == "x$f2" ] || error "$f1 != $f2"
+
+ # simply repeat all previous checks, but also verify components are on
+ # the same OST as before
+
+ local ost_idx2_2=$($LFS getstripe -I2 -i $comp_file)
+ local ost_idx3_2=$($LFS getstripe -I3 -i $comp_file)
+
+ [ $ost_idx2_2 -eq $ost_idx3_2 ] && error "$ost_idx2_2 == $ost_idx3_2"
+ [ $ost_idx3_2 -ne "-1" ] && error "second component init $ost_idx3_2"
+
+ # verify OST id is the same after failover
+ [ $ost_idx2 -ne $ost_idx2_2 ] &&
+ error "$ost_idx2 != $ost_idx2_2, changed after failover"
+
+ test_19e_check $comp_file
+}
+run_test 19e "Replay of layout instantiation & extension"
+
+# Test out of space behavior
+test_20a() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ # without this, a previous delete can finish after we check free space
+ wait_delete_completed
+ wait_mds_ost_sync
+
+ # First component is on OST0
+ $LFS setstripe -E 256M -i 0 -z 64M -E -1 -z 1G $comp_file ||
+ error "Create $comp_file failed"
+
+ # write past end of first component, so it is extended
+ dd if=/dev/zero of=$comp_file bs=1M count=1 seek=66 ||
+ error "dd to extend failed"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 128M -E 256M $flg_opts $comp_file |wc -l)
+ [ $found -eq 1 ] || error "Write: Second component not found"
+
+ local ost_idx1=$($LFS getstripe -I1 -i $comp_file)
+ local wms=$(ost_watermarks_set_enospc $tfile $ost_idx1 |
+ grep "watermarks")
+ stack_trap "ost_watermarks_clear_enospc $tfile $ost_idx1 $wms" EXIT
+
+ flg_opts="--comp-flags extension"
+ # Write past current init comp, but we won't extend (because no space)
+ dd if=/dev/zero of=$comp_file bs=1M count=10 seek=200 ||
+ error "dd write past current comp failed"
+
+ $LFS getstripe $comp_file
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 128M -E 1152M $flg_opts $comp_file | \
+ wc -l)
+ [ $found -eq 1 ] || error "Write: third component not found"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 1152M -E EOF $flg_opts $comp_file |wc -l)
+ [ $found -eq 1 ] || error "Write: fourth extension component not found"
+
+ sel_layout_sanity $comp_file 3
+}
+run_test 20a "Test out of space, spillover to defined component"
+
+test_20b() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ # Pool allows us to force use of only certain OSTs
+ pool_add $TESTNAME || error "Pool creation failed"
+ pool_add_targets $TESTNAME 0 || error "Pool add targets failed"
+
+ # normal component to 10M, extendable component to 1G
+ # further extendable to EOF
+ $LFS setstripe -E 10M -E 1G -p $TESTNAME -z 64M -E -1 -p "" -z 512M \
+ $comp_file || error "Create $comp_file failed"
+
+ replay_barrier $SINGLEMDS
+
+ found=$($LFS find --comp-start 10M -E 10M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Zero length component not found"
+
+ local ost_idx1=0
+ local wms=$(ost_watermarks_set_enospc $tfile $ost_idx1 |
+ grep "watermarks")
+ stack_trap "ost_watermarks_clear_enospc $tfile $ost_idx1 $wms" EXIT
+
+ # write past end of first component
+ # This should remove the next component, since OST0 is out of space
+ # and it is striped there (pool contains only OST0)
+ dd if=/dev/zero of=$comp_file bs=1M count=1 seek=14 ||
+ error "dd to extend/remove failed"
+
+ $LFS getstripe $comp_file
+
+ found=$($LFS find --comp-start 10M -E 10M $flg_opts $comp_file | wc -l)
+ [ $found -eq 0 ] || error "Write: zero length component still present"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 10M -E 522M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: second component not found"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 522M -E EOF $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: third component not found"
+
+ fail $SINGLEMDS
+
+ found=$($LFS find --comp-start 10M -E 10M $flg_opts $comp_file | wc -l)
+ [ $found -eq 0 ] || error "Failover: 0-length component still present"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 10M -E 522M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Failover: second component not found"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 522M -E EOF $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Failover: third component not found"
+
+ sel_layout_sanity $comp_file 3
+}
+run_test 20b "Remove component without instantiation when there is no space"
+
+test_20c() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ # pool is used to limit available OSTs to 0 and 1, so we can set all
+ # available OSTs out of space
+ pool_add $TESTNAME || error "Pool creation failed"
+ pool_add_targets $TESTNAME 0 1 || error "Pool add targets failed"
+
+ # without this, a previous delete can finish after we check free space
+ wait_delete_completed
+ wait_mds_ost_sync
+
+ $LFS setstripe -E 100M -E -1 -p $TESTNAME -z 64M $comp_file ||
+ error "Create $comp_file failed"
+
+ local ost_idx1=0
+ local ost_idx2=1
+ local wms=$(ost_watermarks_set_enospc $tfile $ost_idx1 |
+ grep "watermarks")
+ local wms2=$(ost_watermarks_set_enospc $tfile $ost_idx2 |
+ grep "watermarks")
+ stack_trap "ost_watermarks_clear_enospc $tfile $ost_idx1 $wms" EXIT
+ stack_trap "ost_watermarks_clear_enospc $tfile $ost_idx2 $wms2" EXIT
+
+ dd if=/dev/zero of=$comp_file bs=1M count=1 seek=120 &&
+ error "dd should fail with ENOSPC"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 0M -E 100M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: First component not found"
+
+ flg_opts="--comp-flags ^init"
+ found=$($LFS find --comp-start 100M -E 100M $flg_opts $comp_file |wc -l)
+ [ $found -eq 1 ] || error "Write: 0-length component not found"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 100M -E EOF $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: third extension component not found"
+
+ sel_layout_sanity $comp_file 3
+}
+run_test 20c "Test inability to stripe new extension component"
+
+test_20d() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ test_mkdir -p $DIR/$tdir
+
+ wait_delete_completed
+ wait_mds_ost_sync
+
+ pool_add $TESTNAME || error "Pool creation failed"
+ pool_add_targets $TESTNAME 0 || error "Pool add targets failed"
+ $LFS setstripe -E 64m -E -1 -p $TESTNAME -z 64M $comp_file ||
+ error "Create $comp_file failed"
+
+ replay_barrier $SINGLEMDS
+
+ local wms=$(ost_watermarks_set_low_space 0 | grep "watermarks")
+ dd if=/dev/zero bs=1M count=1 seek=100 of=$comp_file
+ RC=$?
+
+ ost_watermarks_clear_enospc $tfile 0 $wms
+ [ $RC -eq 0 ] || error "dd failed: $RC"
+
+ $LFS getstripe $comp_file
+ local flg_opts="--comp-start 64M -E 128M --comp-flags init"
+ local found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: component (64M-128M) not found"
+
+ local ost_idx=$($LFS getstripe -I3 -i $comp_file)
+ [ "$ost_idx" != "-1" ] && error "Write: EXT component disappeared"
+
+ fail $SINGLEMDS
+
+ found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Failover: component (64M-128M) not found"
+
+ ost_idx=$($LFS getstripe -I3 -i $comp_file)
+ [ "$ost_idx" != "-1" ] && error "Failover: EXT component disappeared"
+
+ sel_layout_sanity $comp_file 3
+}
+run_test 20d "Low on space + 0-length comp: force extension"
+
+test_20e() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ test_mkdir -p $DIR/$tdir
+
+ wait_delete_completed
+ wait_mds_ost_sync
+
+ pool_add $TESTNAME || error "Pool creation failed"
+ pool_add_targets $TESTNAME 0 || error "Pool add targets failed"
+
+ $LFS setstripe -E 64m -E 640M -z 64M -p $TESTNAME -E -1 $comp_file ||
+ error "Create $comp_file failed"
+
+ local wms=$(ost_watermarks_set_low_space 0 | grep "watermarks")
+
+ dd if=/dev/zero bs=1M count=1 seek=100 of=$comp_file
+ RC=$?
+
+ ost_watermarks_clear_enospc $tfile 0 $wms
+ [ $RC -eq 0 ] || error "dd failed $RC"
+
+ $LFS getstripe $comp_file
+ local flg_opts="--comp-start 64M -E EOF --comp-flags init"
+ local found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: component (64M-EOF) not found"
+
+ local ost_idx=$($LFS getstripe -I2 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Write: 0-length component still exists"
+ ost_idx=$($LFS getstripe -I3 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Write: extension component still exists"
+
+ sel_layout_sanity $comp_file 2
+}
+run_test 20e "ENOSPC with next real comp: spillover and backward extension"
+
+# Simple DoM interaction test
+test_21a() {
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ # simple, correct self-extending layout after DoM component
+ $LFS setstripe -E 1M -L mdt -E -1 -z 64m $comp_file || \
+ error "Create $comp_file failed"
+
+ # Write to DoM component & to self-extending comp after it
+ dd if=/dev/zero bs=1M count=12 of=$comp_file ||
+ error "dd to extend failed"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 1M -E 65M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: extended component not found"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 65M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: extension component not found"
+
+ sel_layout_sanity $comp_file 3
+}
+run_test 21a "Simple DoM interaction tests"
+
+# DoM + extension + removal
+test_21b() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ local ost_name=$(ostname_from_index 0)
+ local flg_opts=""
+ local found=""
+
+ test_mkdir -p $DIR/$tdir
+
+ # DoM, extendable component, further extendable component
+ $LFS setstripe -E 1M -L mdt -E 256M -i 0 -z 64M -E -1 -z 1G \
+ $comp_file || error "Create $comp_file failed"
+
+ found=$($LFS find --comp-start 1M -E 1M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: Zero length component not found"
+
+ # This also demonstrates that we will avoid degraded OSTs
+ do_facet ost1 $LCTL set_param -n obdfilter.$ost_name.degraded=1
+ # sleep to guarantee we see the degradation
+ sleep_maxage
+
+ # un-degrade on exit
+ stack_trap "do_facet ost1 $LCTL set_param -n \
+ obdfilter.$ost_name.degraded=0; sleep_maxage" EXIT
+
+ # This should remove the first component after DoM and spill over to
+ # the next one
+ dd if=/dev/zero bs=1M count=2 of=$comp_file ||
+ error "dd to remove+spill over failed"
+
+ found=$($LFS find --comp-start 1M -E 1M $flg_opts $comp_file | wc -l)
+ [ $found -eq 0 ] || error "Write: Zero length component still present"
+
+ flg_opts="--comp-flags init"
+ found=$($LFS find --comp-start 1M -E 1025M $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Write: extended component not found"
+
+ flg_opts="--comp-flags extension"
+ found=$($LFS find --comp-start 1025M -E EOF $flg_opts $comp_file |wc -l)
+ [ $found -eq 1 ] || error "Write: extension component not found"
+
+ sel_layout_sanity $comp_file 3
+}
+run_test 21b "DoM followed by extendable component with removal"
+
+test_23a() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ test_mkdir -p $DIR/$tdir
+
+ $LFS setstripe -z 64M -c 1 -E -1 $comp_file ||
+ error "Create $comp_file failed"
+
+ dd if=/dev/zero bs=1M oflag=append count=1 of=$comp_file ||
+ error "dd append failed"
+
+ local flg_opts="--comp-start 0 -E EOF --comp-flags init"
+ local found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Append: first component (0-EOF) not found"
+
+ local ost_idx=$($LFS getstripe -I2 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Append: second component still exists"
+
+ sel_layout_sanity $comp_file 1
+}
+run_test 23a "Append: remove EXT comp"
+
+test_23b() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ test_mkdir -p $DIR/$tdir
+
+ $LFS setstripe -E 64m -E -1 -z 64M $comp_file ||
+ error "Create $comp_file failed"
+
+ dd if=/dev/zero bs=1M oflag=append count=1 of=$comp_file ||
+ error "dd append failed"
+
+ local flg_opts="--comp-start 64M -E EOF --comp-flags init"
+ local found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Append: component (64M-EOF) not found"
+
+ local ost_idx=$($LFS getstripe -I3 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Append: third component still exists"
+
+ sel_layout_sanity $comp_file 2
+}
+run_test 23b "Append with 0-length comp: remove EXT comp"
+
+test_23c() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ test_mkdir -p $DIR/$tdir
+
+ wait_delete_completed
+ wait_mds_ost_sync
+
+ pool_add $TESTNAME || error "Pool creation failed"
+ pool_add_targets $TESTNAME 0 || error "Pool add targets failed"
+ $LFS setstripe -E 64m -E -1 -p $TESTNAME -z 64M $comp_file ||
+ error "Create $comp_file failed"
+
+ local wms=$(ost_watermarks_set_low_space 0 | grep "watermarks")
+ dd if=/dev/zero bs=1M oflag=append count=1 of=$comp_file
+ RC=$?
+
+ ost_watermarks_clear_enospc $tfile 0 $wms
+ [ $RC -eq 0 ] || error "dd append failed: $RC"
+
+ local flg_opts="--comp-start 64M -E EOF --comp-flags init"
+ local found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Append: component (64M-EOF) not found"
+
+ local ost_idx=$($LFS getstripe -I3 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Append: EXT component still exists"
+
+ sel_layout_sanity $comp_file 2
+}
+run_test 23c "Append with low on space + 0-length comp: force extension"
+
+test_23d() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ test_mkdir -p $DIR/$tdir
+
+ $LFS setstripe -E 64m -E 640M -z 64M -E -1 $comp_file ||
+ error "Create $comp_file failed"
+
+ dd if=/dev/zero bs=1M oflag=append count=1 of=$comp_file ||
+ error "dd append failed"
+
+ flg_opts="--comp-start 64M -E 640M --comp-flags init"
+ found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Append: component (64M-640M) not found"
+
+ ost_idx=$($LFS getstripe -I3 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Append: third component still exists"
+
+ sel_layout_sanity $comp_file 3
+}
+run_test 23d "Append with 0-length comp + next real comp: remove EXT comp"
+
+test_23e() {
+ [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code $SEL_VER) ] &&
+ skip "skipped for lustre < $SEL_VER"
+
+ local comp_file=$DIR/$tdir/$tfile
+ test_mkdir -p $DIR/$tdir
+
+ wait_delete_completed
+ wait_mds_ost_sync
+
+ pool_add $TESTNAME || error "Pool creation failed"
+ pool_add_targets $TESTNAME 0 || error "Pool add targets failed"
+
+ $LFS setstripe -E 64m -E 640M -z 64M -p $TESTNAME -E -1 $comp_file ||
+ error "Create $comp_file failed"
+
+ local wms=$(ost_watermarks_set_low_space 0 | grep "watermarks")
+
+ dd if=/dev/zero bs=1M oflag=append count=1 of=$comp_file
+ RC=$?
+
+ ost_watermarks_clear_enospc $tfile 0 $wms
+ [ $RC -eq 0 ] || error "dd append failed $RC"
+
+ local flg_opts="--comp-start 64M -E EOF --comp-flags init"
+ local found=$($LFS find $flg_opts $comp_file | wc -l)
+ [ $found -eq 1 ] || error "Append: component (64M-EOF) not found"
+
+ local ost_idx=$($LFS getstripe -I2 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Append: 0-length component still exists"
+ ost_idx=$($LFS getstripe -I3 -i $comp_file)
+ [ "$ost_idx" != "" ] && error "Append: extension component still exists"
+
+ sel_layout_sanity $comp_file 2
+}
+run_test 23e "Append with next real comp: spillover and backward extension"
+
git://git.whamcloud.com / fs / lustre-release.git / commitdiff