== sanityn test 77k: check TBF policy with UID/GID/JobID/OPCode expression ========================================================== 12:34:53 (1781627693) 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_oleg253-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.426008 s, 39.4 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, 0.0453283 s, 23.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0541054 s, 19.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.122831 s, 8.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0804912 s, 13.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.12954 s, 8.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124434 s, 8.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.137494 s, 7.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.128028 s, 8.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.147289 s, 7.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.159668 s, 6.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.160581 s, 6.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.142575 s, 7.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.174031 s, 6.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.160111 s, 6.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.192419 s, 5.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.188552 s, 5.6 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, 0.0331462 s, 31.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0200202 s, 52.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.033004 s, 31.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.037903 s, 27.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0261652 s, 40.1 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, 0.0311969 s, 33.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0580783 s, 18.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0382403 s, 27.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0410316 s, 25.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0392278 s, 26.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.04478 s, 23.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0658471 s, 15.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0491773 s, 21.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0471286 s, 22.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0499065 s, 21.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0553264 s, 19.0 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg253-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg253-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, 5.48039 s, 19.1 MB/s Write runtime is 7 s, speed is 14.285714 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, 9.87197 s, 10.6 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 192.168.202.53@tcp}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_r nid={0@lo 192.168.202.53@tcp}&opcode={ost_read} rate=10 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.400584 s, 41.9 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, 0.0741283 s, 14.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0454562 s, 23.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0547964 s, 19.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0566412 s, 18.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.083655 s, 12.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0934684 s, 11.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0911645 s, 11.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.122962 s, 8.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.118626 s, 8.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.113293 s, 9.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.111237 s, 9.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124428 s, 8.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.129856 s, 8.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.152195 s, 6.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.176309 s, 5.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.19639 s, 5.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0851284 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, 0.0659304 s, 15.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0984698 s, 10.6 MB/s1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0569576 s, 18.4 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, 0.0649943 s, 16.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0624293 s, 16.8 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0919583 s, 11.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.068007 s, 15.4 MB/s1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0673087 s, 15.6 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.105242 s, 10.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0878844 s, 11.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.074959 s, 14.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0747632 s, 14.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.075393 s, 13.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0812094 s, 12.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0893339 s, 11.7 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg253-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg253-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, 5.89116 s, 17.8 MB/s Write runtime is 7 s, speed is 14.285714 IOPS Verify the read rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.8623 s, 10.6 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 192.168.202.53@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_oleg253-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.454618 s, 36.9 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, 0.0247119 s, 42.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0484674 s, 21.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.128514 s, 8.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.132315 s, 7.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.174297 s, 6.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.166239 s, 6.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.215638 s, 4.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.186782 s, 5.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.206713 s, 5.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.196036 s, 5.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.208491 s, 5.0 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, 0.21219 s, 4.9 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.23806 s, 4.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.230618 s, 4.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.234966 s, 4.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.248553 s, 4.2 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 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0448145 s, 23.4 MB/s1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0664921 s, 15.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0532614 s, 19.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0484336 s, 21.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0515018 s, 20.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0536402 s, 19.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0468741 s, 22.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0542952 s, 19.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0618391 s, 17.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0543731 s, 19.3 MB/s1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.058407 s, 18.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0593643 s, 17.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0649622 s, 16.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0480614 s, 21.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0607529 s, 17.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0747679 s, 14.0 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg253-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg253-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, 6.055 s, 17.3 MB/s Write runtime is 8 s, speed is 12.500000 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, 5.04428 s, 20.8 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_oleg253-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.518388 s, 32.4 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, 0.0557582 s, 18.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.071723 s, 14.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0770797 s, 13.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.120114 s, 8.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.119917 s, 8.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.178291 s, 5.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.155017 s, 6.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.158663 s, 6.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.193469 s, 5.4 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, 0.199007 s, 5.3 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.212521 s, 4.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.228009 s, 4.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.239547 s, 4.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.214725 s, 4.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.224591 s, 4.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.237029 s, 4.4 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, 0.0378901 s, 27.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.075136 s, 14.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0803095 s, 13.1 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, 0.0442597 s, 23.7 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, 0.0499546 s, 21.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0532469 s, 19.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0538921 s, 19.5 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, 0.0570617 s, 18.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0584152 s, 18.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0600115 s, 17.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0615508 s, 17.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.061506 s, 17.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0677348 s, 15.5 MB/s1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.071084 s, 14.8 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0698652 s, 15.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0799153 s, 13.1 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg253-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg253-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, 10.0777 s, 10.4 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, 9.8802 s, 10.6 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 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 6.34882 s, 16.5 MB/s Write runtime is 7 s, speed is 14.285714 IOPS Verify the read rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.86992 s, 10.6 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_oleg253-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.943719 s, 17.8 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, 0.0429632 s, 24.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0846327 s, 12.4 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, 0.185518 s, 5.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.148687 s, 7.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.150168 s, 7.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.186412 s, 5.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.174185 s, 6.0 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, 0.17915 s, 5.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.212435 s, 4.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.240436 s, 4.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.208355 s, 5.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.248438 s, 4.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.220463 s, 4.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.234076 s, 4.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.2447 s, 4.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.234392 s, 4.5 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 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0520677 s, 20.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0514117 s, 20.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0386242 s, 27.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0492374 s, 21.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.054837 s, 19.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0594295 s, 17.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0602728 s, 17.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0684794 s, 15.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0780201 s, 13.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0828053 s, 12.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0669106 s, 15.7 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, 0.0634863 s, 16.5 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0554138 s, 18.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0681809 s, 15.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0689953 s, 15.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0736634 s, 14.2 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg253-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg253-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, 19.7296 s, 5.3 MB/s Write runtime is 20 s, speed is 5.000000 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, 19.5639 s, 5.4 MB/s Read runtime is 21 s, speed is 4.761904 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_oleg253-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.399631 s, 42.0 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, 0.0589089 s, 17.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0889201 s, 11.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.113999 s, 9.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.121319 s, 8.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.114891 s, 9.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0951643 s, 11.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.145237 s, 7.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0800009 s, 13.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124551 s, 8.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.173082 s, 6.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.149436 s, 7.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.141823 s, 7.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.125834 s, 8.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0815049 s, 12.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.211034 s, 5.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0176578 s, 59.4 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, 0.0222708 s, 47.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0354967 s, 29.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0120528 s, 87.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0150527 s, 69.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0415771 s, 25.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.017902 s, 58.6 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, 0.0196698 s, 53.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0159055 s, 65.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0240521 s, 43.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0232918 s, 45.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0210294 s, 49.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00413847 s, 253 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00242108 s, 433 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0030737 s, 341 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00284072 s, 369 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00287815 s, 364 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg253-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg253-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, 5.44553 s, 19.3 MB/s Write runtime is 7 s, speed is 14.285714 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, 9.79874 s, 10.7 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_oleg253-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.485739 s, 34.5 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, 0.0497527 s, 21.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0559275 s, 18.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0799753 s, 13.1 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, 0.132057 s, 7.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124304 s, 8.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.139792 s, 7.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.163994 s, 6.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.17431 s, 6.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.153858 s, 6.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.181999 s, 5.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.142125 s, 7.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.182174 s, 5.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.176059 s, 6.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.176516 s, 5.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.20064 s, 5.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.165439 s, 6.3 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 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0439062 s, 23.9 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, 0.0225335 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, 0.0243382 s, 43.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0296641 s, 35.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0254237 s, 41.2 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0235263 s, 44.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0224129 s, 46.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0279633 s, 37.5 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0330207 s, 31.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0332998 s, 31.5 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0446613 s, 23.5 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, 0.0321832 s, 32.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0304739 s, 34.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0313235 s, 33.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0310588 s, 33.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0326162 s, 32.1 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg253-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg253-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, 9.96329 s, 10.5 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, 9.85387 s, 10.6 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, 9.98888 s, 10.5 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, 9.86754 s, 10.6 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