[LU-19927] sanity test_45: write wasn't cached

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

Description

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

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/ec48df30-5e28-4b5f-aa5e-27bb8dc3a78d

test_45 failed with the following error:

write wasn't cached

Test session details:
clients: https://build.whamcloud.com/job/lustre-reviews/121922 - 6.8.0-85-generic
servers: https://build.whamcloud.com/job/lustre-reviews/121922 - 4.18.0-553.89.1.el8_lustre.x86_64

== sanity test 45: osc io page accounting ================ 19:36:49 (1772048209)
vm.dirty_writeback_centisecs = 0
vm.dirty_writeback_centisecs = 0
vm.dirty_ratio = 50
vm.dirty_background_ratio = 25
executing "echo blah > /mnt/lustre/f45"
before 0, after 0
 sanity test_45: @@@@@@ FAIL: write wasn't cached 
  Trace dump:
  = /usr/lib64/lustre/tests/test-framework.sh:7384:error()
  = /usr/lib64/lustre/tests/sanity.sh:6196:test_45()
  = /usr/lib64/lustre/tests/test-framework.sh:7760:run_one()
  = /usr/lib64/lustre/tests/test-framework.sh:7823:run_one_logged()
  = /usr/lib64/lustre/tests/test-framework.sh:7638:run_test()
  = /usr/lib64/lustre/tests/sanity.sh:6210:main()
Dumping lctl log to /autotest/autotest-2/2026-02-25/lustre-reviews_review-ldiskfs-ubuntu_121922_71_e1818cb3-0703-4d25-99f5-df0c0bf1ae75//sanity.test_45.*.1772048210.log
CMD: onyx-155vm154.onyx.whamcloud.com,onyx-155vm155,onyx-155vm156,onyx-155vm157 /usr/sbin/lctl dk > /autotest/autotest-2/2026-02-25/lustre-reviews_review-ldiskfs-ubuntu_121922_71_e1818cb3-0703-4d25-99f5-df0c0bf1ae75//sanity.test_45.debug_log.\$(hostname -s).1772048210.log;
		dmesg > /autotest/autotest-2/2026-02-25/lustre-reviews_review-ldiskfs-ubuntu_121922_71_e1818cb3-0703-4d25-99f5-df0c0bf1ae75//sanity.test_45.dmesg.\$(hostname -s).1772048210.log
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20 

VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV
sanity test_45 - write wasn't cached

Issue Links

• is related to: LU-11671 sanity test 45: FAIL: write wasn't cached
• is related to: LU-15226 sanity test_45: FAIL: write wasn't cached