== sanityn test 77k: check TBF policy with UID/GID/JobID/OPCode expression ========================================================== 23:48:33 (1781668113) ost.OSS.ost_io.nrs_policies=tbf ost.OSS.ost_io.nrs_tbf_rule=start ext_w jobid={dd.500}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_r jobid={dd.500}&opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.251398 s, 66.7 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0259067 s, 40.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0268105 s, 39.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.053681 s, 19.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0285585 s, 36.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0654919 s, 16.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.101903 s, 10.3 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0888574 s, 11.8 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0961863 s, 10.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.107892 s, 9.7 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0929454 s, 11.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0972405 s, 10.8 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.109508 s, 9.6 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.110995 s, 9.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.103988 s, 10.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.100831 s, 10.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.11257 s, 9.3 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0128507 s, 81.6 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0162808 s, 64.4 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0191011 s, 54.9 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.01655 s, 63.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0150998 s, 69.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0126153 s, 83.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00787101 s, 133 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0154918 s, 67.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0156323 s, 67.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00584351 s, 179 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0203892 s, 51.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00371817 s, 282 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00456064 s, 230 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0043365 s, 242 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00516608 s, 203 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00304183 s, 345 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg356-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.92994 s, 21.3 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73384 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_w ost.OSS.ost_io.nrs_tbf_rule=stop ext_r ost.OSS.ost_io.nrs_tbf_rule=start ext_w nid={0@lo 192.168.203.56@tcp}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_r nid={0@lo 192.168.203.56@tcp}&opcode={ost_read} rate=10 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.249387 s, 67.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.034047 s, 30.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.034409 s, 30.5 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0979381 s, 10.7 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0979612 s, 10.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.103561 s, 10.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.114198 s, 9.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.10288 s, 10.2 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.105341 s, 10.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.104757 s, 10.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.102041 s, 10.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.110252 s, 9.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.115316 s, 9.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.243208 s, 4.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.237891 s, 4.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.2877 s, 3.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.304023 s, 3.4 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0124804 s, 84.0 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0136569 s, 76.8 MB/s1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0184038 s, 57.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0114416 s, 91.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0175145 s, 59.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0190196 s, 55.1 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.020654 s, 50.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0187753 s, 55.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0241245 s, 43.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0258316 s, 40.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00913415 s, 115 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0131458 s, 79.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00390625 s, 268 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00746895 s, 140 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0284483 s, 36.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00457829 s, 229 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg356-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.93823 s, 21.2 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73246 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_w ost.OSS.ost_io.nrs_tbf_rule=stop ext_r ost.OSS.ost_io.nrs_tbf_rule=start ext nid={0@lo 192.168.203.56@tcp}&jobid={dd.500} rate=20 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.244891 s, 68.5 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.025724 s, 40.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0547375 s, 19.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0736203 s, 14.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0719522 s, 14.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0563955 s, 18.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0921671 s, 11.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0895447 s, 11.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.100378 s, 10.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.10884 s, 9.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.106743 s, 9.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.119292 s, 8.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.104871 s, 10.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.127139 s, 8.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.131841 s, 8.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.135418 s, 7.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.134257 s, 7.8 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0130263 s, 80.5 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0128313 s, 81.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.016463 s, 63.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0146021 s, 71.8 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0176614 s, 59.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0191925 s, 54.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0139129 s, 75.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0201397 s, 52.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0250797 s, 41.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.004304 s, 244 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.035173 s, 29.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0264144 s, 39.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00413116 s, 254 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0279648 s, 37.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0347533 s, 30.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00223604 s, 469 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg356-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 20 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.93697 s, 21.2 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.87869 s, 21.5 MB/s Read runtime is 6 s, speed is 16.666666 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext ost.OSS.ost_io.nrs_tbf_rule=start ext_a jobid={dd.500},opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_b jobid={dd.500},opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.437097 s, 38.4 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0255023 s, 41.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0187762 s, 55.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0633858 s, 16.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0456301 s, 23.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0570244 s, 18.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0608116 s, 17.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.053736 s, 19.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0728029 s, 14.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.060145 s, 17.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0982455 s, 10.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0886743 s, 11.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0913705 s, 11.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.292392 s, 3.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.30328 s, 3.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.369682 s, 2.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.3671 s, 2.9 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0145985 s, 71.8 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0188134 s, 55.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0162759 s, 64.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0154809 s, 67.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0187481 s, 55.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0176051 s, 59.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.011905 s, 88.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0194966 s, 53.8 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0168514 s, 62.2 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0148195 s, 70.8 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00413719 s, 253 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00730674 s, 144 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00365863 s, 287 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0090604 s, 116 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0258479 s, 40.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0237591 s, 44.1 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg356-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 10, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.77904 s, 10.7 MB/s Write runtime is 11 s, speed is 9.090909 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73052 s, 10.8 MB/s Read runtime is 10 s, speed is 10.000000 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.91458 s, 21.3 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73503 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_a ost.OSS.ost_io.nrs_tbf_rule=stop ext_b ost.OSS.ost_io.nrs_tbf_rule=start ext_ug uid={500}&gid={500} rate=5 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.840932 s, 20.0 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0320004 s, 32.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0423805 s, 24.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0533612 s, 19.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0574295 s, 18.3 MB/s1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0520714 s, 20.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0458036 s, 22.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0399135 s, 26.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0451743 s, 23.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.159071 s, 6.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.156296 s, 6.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.194662 s, 5.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.179507 s, 5.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.199696 s, 5.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.205659 s, 5.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.188134 s, 5.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.198712 s, 5.3 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0178981 s, 58.6 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0138613 s, 75.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0131203 s, 79.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0165292 s, 63.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0191288 s, 54.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0112509 s, 93.2 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0193101 s, 54.3 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00595523 s, 176 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0183723 s, 57.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.018744 s, 55.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00407862 s, 257 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00342494 s, 306 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0206676 s, 50.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0214085 s, 49.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00318913 s, 329 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00431569 s, 243 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg356-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 5, read rate: 5 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 19.6619 s, 5.3 MB/s Write runtime is 21 s, speed is 4.761904 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 19.4303 s, 5.4 MB/s Read runtime is 20 s, speed is 5.000000 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_ug ost.OSS.ost_io.nrs_tbf_rule=start ext_uw uid={500}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_ur uid={500}&opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.23866 s, 70.3 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.025737 s, 40.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0280318 s, 37.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0337132 s, 31.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0781697 s, 13.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0522648 s, 20.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0852666 s, 12.3 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0907513 s, 11.6 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.102578 s, 10.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.098785 s, 10.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0897117 s, 11.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0965592 s, 10.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0944292 s, 11.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0879178 s, 11.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0823596 s, 12.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0866068 s, 12.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0978236 s, 10.7 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0171732 s, 61.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0165872 s, 63.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0240238 s, 43.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.026178 s, 40.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0250455 s, 41.9 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0238904 s, 43.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00388389 s, 270 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0215656 s, 48.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0294827 s, 35.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0126687 s, 82.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0123494 s, 84.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00542535 s, 193 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0189233 s, 55.4 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00465186 s, 225 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00642748 s, 163 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0182069 s, 57.6 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg356-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.92829 s, 21.3 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.7284 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_uw ost.OSS.ost_io.nrs_tbf_rule=stop ext_ur ost.OSS.ost_io.nrs_tbf_rule=start ext_a uid={500},opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_b uid={500},opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.439037 s, 38.2 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0246193 s, 42.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0352695 s, 29.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0614012 s, 17.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0451092 s, 23.2 MB/s1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0533601 s, 19.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0624289 s, 16.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0686182 s, 15.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0707356 s, 14.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0699669 s, 15.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0999341 s, 10.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0915412 s, 11.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0909652 s, 11.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.25408 s, 4.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.270616 s, 3.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.308854 s, 3.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.301963 s, 3.5 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0172012 s, 61.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.021519 s, 48.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0185703 s, 56.5 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0225693 s, 46.5 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0216389 s, 48.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0221109 s, 47.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.015255 s, 68.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0295697 s, 35.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0085497 s, 123 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0293803 s, 35.7 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00959974 s, 109 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00563655 s, 186 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0123462 s, 84.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00632445 s, 166 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0302622 s, 34.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0224263 s, 46.8 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg356-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg356-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 10, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.77906 s, 10.7 MB/s Write runtime is 11 s, speed is 9.090909 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.72973 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.75727 s, 10.7 MB/s Write runtime is 11 s, speed is 9.090909 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73206 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_a ost.OSS.ost_io.nrs_tbf_rule=stop ext_b ost.OSS.ost_io.nrs_policies=fifo