+nrs_write_read() {
+ local n=16
+ local dir=$DIR/$tdir
+ local myRUNAS="$1"
+
+ mkdir $dir || error "mkdir $dir failed"
+ $LFS setstripe -c $OSTCOUNT $dir || error "setstripe to $dir failed"
+ chmod 777 $dir
+
+ do_nodes $CLIENTS $myRUNAS dd if=/dev/zero of="$dir/nrs_r_$HOSTNAME"\
+ bs=1M count=$n > /dev/null 2>&1 || error "dd on client failed"
+
+ for ((i = 0; i < $n; i++)); do
+ do_nodes $CLIENTS $myRUNAS dd if=/dev/zero\
+ of="$dir/nrs_w_$HOSTNAME" bs=1M seek=$i count=1\
+ > /dev/null 2>&1 || error "dd on client failed" &
+ local pids_w[$i]=$!
+ done
+ do_nodes $CLIENTS sync;
+ cancel_lru_locks osc
+
+ for ((i = 0; i < $n; i++)); do
+ do_nodes $CLIENTS $myRUNAS dd if="$dir/nrs_w_$HOSTNAME"\
+ of=/dev/zero bs=1M seek=$i count=1 > /dev/null 2>&1 ||
+ error "dd on client failed"
+ local pids_r[$i]=$!
+ done
+ cancel_lru_locks osc
+
+ for ((i = 0; i < $n; i++)); do
+ wait ${pids_w[$i]}
+ wait ${pids_r[$i]}
+ done
+ rm -rf $dir || error "rm -rf $dir failed"
+}
+
+test_77a() { #LU-3266
+ oss=$(comma_list $(osts_nodes))
+ do_nodes $oss lctl set_param ost.OSS.*.nrs_policies="fifo"
+ nrs_write_read
+
+ return 0
+}
+run_test 77a "check FIFO NRS policy"
+
+test_77b() { #LU-3266
+ oss=$(comma_list $(osts_nodes))
+
+ do_nodes $oss lctl set_param ost.OSS.*.nrs_policies="crrn" \
+ ost.OSS.*.nrs_crrn_quantum=1
+
+ echo "policy: crr-n, crrn_quantum 1"
+ nrs_write_read
+
+ do_nodes $oss lctl set_param ost.OSS.*.nrs_crrn_quantum=64
+
+ echo "policy: crr-n, crrn_quantum 64"
+ nrs_write_read
+
+ # cleanup
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="fifo"
+ return 0
+}
+run_test 77b "check CRR-N NRS policy"
+
+orr_trr() {
+ local policy=$1
+
+ oss=$(comma_list $(osts_nodes))
+
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies=$policy \
+ ost.OSS.*.nrs_"$policy"_quantum=1 \
+ ost.OSS.*.nrs_"$policy"_offset_type="physical" \
+ ost.OSS.*.nrs_"$policy"_supported="reads"
+
+ echo "policy: $policy, ${policy}_quantum 1, ${policy}_offset_type physical, ${policy}_supported reads"
+ nrs_write_read
+
+ do_nodes $oss lctl set_param ost.OSS.*.nrs_${policy}_supported="writes" \
+ ost.OSS.*.nrs_${policy}_quantum=64
+
+ echo "policy: $policy, ${policy}_quantum 64, ${policy}_offset_type physical, ${policy}_supported writes"
+ nrs_write_read
+
+ do_nodes $oss lctl set_param ost.OSS.*.nrs_${policy}_supported="reads_and_writes" \
+ ost.OSS.*.nrs_${policy}_offset_type="logical"
+ echo "policy: $policy, ${policy}_quantum 64, ${policy}_offset_type logical, ${policy}_supported reads_and_writes"
+ nrs_write_read
+
+ # cleanup
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="fifo"
+ return 0
+}
+
+test_77c() { #LU-3266
+ orr_trr "orr"
+ return 0
+}
+run_test 77c "check ORR NRS policy"
+
+test_77d() { #LU-3266
+ orr_trr "trr"
+ return 0
+}
+run_test 77d "check TRR nrs policy"
+
+tbf_rule_operate()
+{
+ local facet=$1
+ shift 1
+
+ do_facet $facet lctl set_param \
+ ost.OSS.ost_io.nrs_tbf_rule="$*"
+ [ $? -ne 0 ] &&
+ error "failed to run operate '$*' on TBF rules"
+}
+
+test_77e() {
+ local server_version=$(lustre_version_code ost1)
+ [[ $server_version -ge $(version_code 2.7.58) ]] ||
+ { skip "Need server version newer than 2.7.57"; return 0; }
+
+ oss=$(comma_list $(osts_nodes))
+
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="tbf\ nid"
+ [ $? -ne 0 ] && error "failed to set TBF policy"
+
+ local idis
+ local rateis
+ if [ $(lustre_version_code ost1) -ge $(version_code 2.8.54) ]; then
+ idis="nid="
+ rateis="rate="
+ fi
+
+ # Only operate rules on ost1 since OSTs might run on the same OSS
+ # Add some rules
+ tbf_rule_operate ost1 "start\ localhost\ ${idis}{0@lo}\ ${rateis}1000"
+ local address=$(comma_list "$(host_nids_address $CLIENTS $NETTYPE)")
+ local client_nids=$(nids_list $address "\\")
+ tbf_rule_operate ost1 "start\ clients\ ${idis}{$client_nids}\ ${rateis}100"
+ tbf_rule_operate ost1 "start\ others\ ${idis}{*.*.*.*@$NETTYPE}\ ${rateis}50"
+ nrs_write_read
+
+ # Change the rules
+ tbf_rule_operate ost1 "change\ localhost\ ${rateis}1001"
+ tbf_rule_operate ost1 "change\ clients\ ${rateis}101"
+ tbf_rule_operate ost1 "change\ others\ ${rateis}51"
+ nrs_write_read
+
+ # Stop the rules
+ tbf_rule_operate ost1 "stop\ localhost"
+ tbf_rule_operate ost1 "stop\ clients"
+ tbf_rule_operate ost1 "stop\ others"
+ nrs_write_read
+
+ # Cleanup the TBF policy
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="fifo"
+ [ $? -ne 0 ] && error "failed to set policy back to fifo"
+ nrs_write_read
+ return 0
+}
+run_test 77e "check TBF NID nrs policy"
+
+test_77f() {
+ local server_version=$(lustre_version_code ost1)
+ [[ $server_version -ge $(version_code 2.7.58) ]] ||
+ { skip "Need server version newer than 2.7.57"; return 0; }
+
+ oss=$(comma_list $(osts_nodes))
+
+ # Configure jobid_var
+ local saved_jobid_var=$($LCTL get_param -n jobid_var)
+ if [ $saved_jobid_var != procname_uid ]; then
+ set_conf_param_and_check client \
+ "$LCTL get_param -n jobid_var" \
+ "$FSNAME.sys.jobid_var" procname_uid
+ fi
+
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="tbf\ jobid"
+ [ $? -ne 0 ] && error "failed to set TBF policy"
+
+ local idis
+ local rateis
+ if [ $(lustre_version_code ost1) -ge $(version_code 2.8.54) ]; then
+ idis="jobid="
+ rateis="rate="
+ fi
+
+ # Only operate rules on ost1 since OSTs might run on the same OSS
+ # Add some rules
+ tbf_rule_operate ost1 "start\ runas\ ${idis}{iozone.$RUNAS_ID\ dd.$RUNAS_ID\ tiotest.$RUNAS_ID}\ ${rateis}1000"
+ tbf_rule_operate ost1 "start\ iozone_runas\ ${idis}{iozone.$RUNAS_ID}\ ${rateis}100"
+ tbf_rule_operate ost1 "start\ dd_runas\ ${idis}{dd.$RUNAS_ID}\ ${rateis}50"
+ nrs_write_read "$RUNAS"
+
+ # Change the rules
+ tbf_rule_operate ost1 "change\ runas\ ${rateis}1001"
+ tbf_rule_operate ost1 "change\ iozone_runas\ ${rateis}101"
+ tbf_rule_operate ost1 "change\ dd_runas\ ${rateis}51"
+ nrs_write_read "$RUNAS"
+
+ # Stop the rules
+ tbf_rule_operate ost1 "stop\ runas"
+ tbf_rule_operate ost1 "stop\ iozone_runas"
+ tbf_rule_operate ost1 "stop\ dd_runas"
+ nrs_write_read "$RUNAS"
+
+ # Cleanup the TBF policy
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="fifo"
+ [ $? -ne 0 ] && error "failed to set policy back to fifo"
+ nrs_write_read "$RUNAS"
+
+ local current_jobid_var=$($LCTL get_param -n jobid_var)
+ if [ $saved_jobid_var != $current_jobid_var ]; then
+ set_conf_param_and_check client \
+ "$LCTL get_param -n jobid_var" \
+ "$FSNAME.sys.jobid_var" $saved_jobid_var
+ fi
+ return 0
+}
+run_test 77f "check TBF JobID nrs policy"
+
+test_77g() {
+ local server_version=$(lustre_version_code ost1)
+ [[ $server_version -ge $(version_code 2.7.58) ]] ||
+ { skip "Need server version newer than 2.7.57"; return 0; }
+
+ oss=$(comma_list $(osts_nodes))
+
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="tbf\ nid"
+ [ $? -ne 0 ] && error "failed to set TBF policy"
+
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="tbf\ jobid"
+ [ $? -ne 0 ] && error "failed to set TBF policy"
+
+ local idis
+ local rateis
+ if [ $(lustre_version_code ost1) -ge $(version_code 2.8.54) ]; then
+ idis="jobid="
+ rateis="rate="
+ fi
+
+ # Add a rule that only valid for Jobid TBF. If direct change between
+ # TBF types is not supported, this operation will fail.
+ tbf_rule_operate ost1 "start\ dd_runas\ ${idis}{dd.$RUNAS_ID}\ ${rateis}50"
+
+ # Cleanup the TBF policy
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="fifo"
+ [ $? -ne 0 ] && error "failed to set policy back to fifo"
+ return 0
+}
+run_test 77g "Change TBF type directly"
+
+test_77h() {
+ [ $(lustre_version_code ost1) -ge $(version_code 2.8.55) ] ||
+ { skip "Need OST version at least 2.8.55"; return 0; }
+
+ local old_policy=$(do_facet ost1 \
+ lctl get_param ost.OSS.ost_io.nrs_policies)
+ local new_policy
+
+ do_facet ost1 lctl set_param \
+ ost.OSS.ost_io.nrs_policies="abc"
+ [ $? -eq 0 ] && error "should return error"
+
+ do_facet ost1 lctl set_param \
+ ost.OSS.ost_io.nrs_policies="tbf\ abc"
+ [ $? -eq 0 ] && error "should return error"
+
+ do_facet ost1 lctl set_param \
+ ost.OSS.ost_io.nrs_policies="tbf\ reg"
+ [ $? -eq 0 ] && error "should return error"
+
+ do_facet ost1 lctl set_param \
+ ost.OSS.ost_io.nrs_policies="tbf\ reg\ abc"
+ [ $? -eq 0 ] && error "should return error"
+
+ do_facet ost1 lctl set_param \
+ ost.OSS.ost_io.nrs_policies="tbf\ abc\ efg"
+ [ $? -eq 0 ] && error "should return error"
+
+ new_policy=$(do_facet ost1 lctl get_param ost.OSS.ost_io.nrs_policies)
+ [ $? -eq 0 ] || error "shouldn't LBUG"
+
+ [ "$old_policy" = "$new_policy" ] || error "NRS policy should be same"
+
+ return 0
+}
+run_test 77h "Wrong policy name should report error, not LBUG"
+
+tbf_rule_check()
+{
+ local facet=$1
+ local expected=$2
+ local error_message=$3
+ local rule_number=0
+ for rule in $expected; do
+ rule_number=$((rule_number + 1))
+ done
+ local stop_line=$(($rule_number + 3))
+ local awk_command="awk 'NR >= 4 && NR <= $stop_line {print \$1}'"
+
+ local output=$(do_facet $facet lctl get_param \
+ ost.OSS.ost_io.nrs_tbf_rule |
+ eval $awk_command |
+ tr "\n" " " |
+ sed 's/[ ]*$//')
+ if [ "$output" != "$expected" ]; then
+ error "$error_message, expected '$expected', got '$output'"
+ fi
+}
+
+test_77i() {
+ [ $(lustre_version_code ost1) -ge $(version_code 2.8.55) ] ||
+ { skip "Need OST version at least 2.8.55"; return 0; }
+
+ for i in $(seq 1 $OSTCOUNT)
+ do
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.ost_io.nrs_policies="tbf\ jobid"
+ [ $? -ne 0 ] &&
+ error "failed to set TBF policy"
+ done
+
+ tbf_rule_check ost1 "default" "error before inserting any rule"
+
+ tbf_rule_operate ost1 "start\ before\ jobid={jobid}\ rate=1000"
+ tbf_rule_check ost1 "before default" \
+ "error when inserting rule 'before'"
+
+ tbf_rule_operate ost1 "start\ after\ jobid={jobid}\ rate=1000\ rank=default"
+ tbf_rule_check ost1 "before after default" \
+ "error when inserting rule 'after'"
+
+ tbf_rule_operate ost1 "start\ target\ jobid={jobid}\ rate=1000\ rank=after"
+ tbf_rule_check ost1 "before target after default" \
+ "error when inserting rule 'target'"
+
+ echo "Move before itself"
+ tbf_rule_operate ost1 "change\ target\ rank=target"
+ tbf_rule_check ost1 "before target after default" \
+ "error when moving before itself"
+
+ echo "Move to higher rank"
+ tbf_rule_operate ost1 "change\ target\ rank=before"
+ tbf_rule_check ost1 "target before after default" \
+ "error when moving to higher rank"
+
+ echo "Move to lower rank"
+ tbf_rule_operate ost1 "change\ target\ rank=after"
+ tbf_rule_check ost1 "before target after default" \
+ "error when moving to lower rank"
+
+ echo "Move before default"
+ tbf_rule_operate ost1 "change\ target\ rank=default"
+ tbf_rule_check ost1 "before after target default" \
+ error "error when moving before default"
+
+ # Cleanup the TBF policy
+ do_nodes $(comma_list $(osts_nodes)) \
+ $LCTL set_param ost.OSS.ost_io.nrs_policies=fifo
+ return 0
+}
+run_test 77i "Change rank of TBF rule"
+
+test_78() { #LU-6673
+ local rc
+
+ oss=$(comma_list $(osts_nodes))
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="orr" &
+ do_nodes $oss lctl set_param ost.OSS.*.nrs_orr_quantum=1
+ rc=$?
+ # Valid return codes are:
+ # 0: Tuning succeeded
+ # ENODEV: Policy is still stopped
+ # EAGAIN: Policy is being initialized
+ [ $rc -eq 0 -o $rc -eq 19 -o $rc -eq 11 ] ||
+ error "Expected set_param to return 0|ENODEV|EAGAIN"
+
+ # Cleanup the ORR policy
+ do_nodes $oss lctl set_param ost.OSS.ost_io.nrs_policies="fifo"
+ [ $? -ne 0 ] && error "failed to set policy back to fifo"
+ return 0
+}
+run_test 78 "Enable policy and specify tunings right away"
+
+test_80a() {