[LU-17601] sanity: 413a Failed with 'subdirs shouldn't be evenly distributed: 21 - 19 <= 2'

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Severity: 3
• Assignee: WC Triage
• Reporter: Maloo

Description

This issue was created by maloo for Arshad <[e-mail]>

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/7f7b51c1-9580-46b0-8dbd-877489028644

Test session details:
clients: https://build.whamcloud.com/job/lustre-reviews/102704 - 4.18.0-477.27.1.el8_8.aarch64
servers: https://build.whamcloud.com/job/lustre-reviews/102704 - 4.18.0-477.27.1.el8_lustre.x86_64

 

...
Mkdir (stripe_count 3) with balanced space usage:
CMD: onyx-120vm10,onyx-120vm9 /usr/sbin/lctl set_param lod.*.mdt_qos_threshold_rr=0
CMD: onyx-120vm10,onyx-120vm9 /usr/sbin/lctl set_param lod.*.mdt_qos_prio_free=100
CMD: onyx-120vm10,onyx-120vm9 /usr/sbin/lctl set_param lod.*.mdt_qos_maxage=1
19 directories created on MDT0 : curmax=19
20 directories created on MDT1 : curmax=20
20 directories created on MDT2 : curmax=20
21 directories created on MDT3 : curmax=21
sanity test_413a: @@@@@@ FAIL: subdirs shouldn't be evenly distributed: 21 - 19 <= 2 
Trace dump:
= /usr/lib64/lustre/tests/test-framework.sh:6947:error()
= /usr/lib64/lustre/tests/sanity.sh:28854:test_qos_mkdir()
= /usr/lib64/lustre/tests/sanity.sh:28923:test_413a()
= /usr/lib64/lustre/tests/test-framework.sh:7287:run_one()
= /usr/lib64/lustre/tests/test-framework.sh:7347:run_one_logged()
= /usr/lib64/lustre/tests/test-framework.sh:7173:run_test()
= /usr/lib64/lustre/tests/sanity.sh:28926:main()
Dumping lctl log to /autotest/autotest-2/2024-03-01/lustre-reviews_review-ldiskfs-dne-arm_102704_32_14ff0ebe-ba25-46fe-bf7f-97b5a9a592ff//sanity.test_413a.*.1709306896.log
CMD: onyx-120vm10,onyx-120vm4,onyx-120vm9,onyx-91vm25.onyx.whamcloud.com,onyx-91vm26 /usr/sbin/lctl dk > /autotest/autotest-2/2024-03-01/lustre-reviews_review-ldiskfs-dne-arm_102704_32_14ff0ebe-ba25-46fe-bf7f-97b5a9a592ff//sanity.test_413a.debug_log.\$(hostname -s).1709306896.log;
dmesg > /autotest/autotest-2/2024-03-01/lustre-reviews_review-ldiskfs-dne-arm_102704_32_14ff0ebe-ba25-46fe-bf7f-97b5a9a592ff//sanity.test_413a.dmesg.\$(hostname -s).1709306896.log

unlinked 0 (time 1709306899 ; total 0 ; last 0)
total: 80 unlinks in 3 seconds: 26.666666 unlinks/second unlinked 0 (time 1709306902 ; total 0 ; last 0)
total: 80 unlinks in 2 seconds: 40.000000 unlinks/second
CMD: onyx-120vm10,onyx-120vm9 /usr/sbin/lctl set_param lod.*.mdt_qos_threshold_rr=0
CMD: onyx-120vm10,onyx-120vm9 /usr/sbin/lctl set_param lod.*.mdt_qos_prio_free=100
CMD: onyx-120vm9 /usr/sbin/lctl get_param -n debug
CMD: onyx-120vm10,onyx-120vm4,onyx-120vm9,onyx-91vm25.onyx.whamcloud.com,onyx-91vm26 /usr/sbin/lctl set_param -n debug=0 unlinked 0 (time 1709306906 ; total 0 ; last 0)
total: 120 unlinks in 2 seconds: 60.000000 unlinks/second 
...

•  

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Issue Links

• is related to: LU-16752 sanity test_413a FAIL: stripes shouldn't be evenly distributed
• is related to: LU-15062 sanity test_413c: FAIL: subdirs shouldn't be evenly distributed: 204 - 196 < 20