LU-3266 test: regression tests for nrs policies

Tests make IO for each policy with different parametrs.

Change-Id: Iacf4721015be4cf9abdd2f41f5dd0614a8553756
Signed-off-by: Sergey Cheremencev <Sergey_Cheremencev@xyratex.com>
Signed-off-by: Wu Libin <lwu@ddn.com>
Reviewed-on: http://review.whamcloud.com/9286
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>

diff --git a/lustre/tests/sanityn.sh b/lustre/tests/sanityn.sh
index d086e6d..6c0cd31 100644 (file)
--- a/lustre/tests/sanityn.sh
+++ b/lustre/tests/sanityn.sh
@@ -2803,6 +2803,119 @@ test_76() { #LU-946
 }
 run_test 76 "Verify open file for 2048 files"
 
 }
 run_test 76 "Verify open file for 2048 files"
 

+nrs_write_read() {
+       local n=16
+       local dir=$DIR/$tdir
+
+       mkdir $dir || error "mkdir $dir failed"
+       $LFS setstripe -c $OSTCOUNT $dir || error "setstripe to $dir failed"
+
+       do_nodes $CLIENTS dd if=/dev/zero of="$dir/nrs_r_$HOSTNAME"\
+               bs=1M count=$n > /dev/null 2>&1
+
+       for ((i = 0; i < $n; i++)); do
+               do_nodes $CLIENTS dd if=/dev/zero of="$dir/nrs_w_$HOSTNAME"\
+                       bs=1M seek=$i count=1 > /dev/null 2>&1 &
+               local pids_w[$i]=$!
+       done
+       do_nodes $CLIENTS sync;
+       cancel_lru_locks osc
+
+       for ((i = 0; i < $n; i++)); do
+               do_nodes $CLIENTS dd if="$dir/nrs_w_$HOSTNAME" of=/dev/zero\
+                       bs=1M seek=$i count=1 > /dev/null 2>&1 &
+               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
+       do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_policies="fifo"
+       nrs_write_read
+
+       return 0
+}
+run_test 77a "check FIFO NRS policy"
+
+
+test_77b() { #LU-3266
+       do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_policies="crrn"
+       do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_crrn_quantum=1
+
+       echo "policy: crr-n, crrn_quantum 1"
+       nrs_write_read
+
+       do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_crrn_quantum=64
+
+       echo "policy: crr-n, crrn_quantum 64"
+       nrs_write_read
+
+       return 0
+}
+run_test 77b "check CRR-N NRS policy"
+
+orr_trr() {
+       local policy=$1
+
+       for i in $(seq 1 $OSTCOUNT)
+       do
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.ost_io.nrs_policies=$policy
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.*.nrs_"$policy"_quantum=1
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.*.nrs_"$policy"_offset_type="physical"
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.*.nrs_"$policy"_supported="reads"
+       done
+
+       echo "policy: $policy, ${policy}_quantum 1, ${policy}_offset_type \
+                               physical, ${policy}_supported reads"
+       nrs_write_read
+
+       for i in $(seq 1 $OSTCOUNT)
+       do
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.*.nrs_${policy}_supported="writes"
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.*.nrs_${policy}_quantum=64
+       done
+       echo "policy: $policy, ${policy}_quantum 64, \
+               ${policy}_offset_type physical, ${policy}_supported writes"
+       nrs_write_read
+
+       for i in $(seq 1 $OSTCOUNT)
+       do
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.*.nrs_${policy}_supported="reads_and_writes"
+               do_facet ost"$i" lctl set_param \
+                       ost.OSS.*.nrs_${policy}_offset_type="logical"
+       done
+       echo "policy: $policy, ${policy}_quantum 64, \
+               ${policy}_offset_type logical, ${policy}_supported reads_and_writes"
+       nrs_write_read
+
+       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"
+

 test_80() {
        [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
        local MDTIDX=1
 test_80() {
        [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
        local MDTIDX=1