[LU-11671] sanity test 45: FAIL: write wasn't cached

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.12.0
• Labels: always_except arm
• Environment: Arch: aarch64 (client)
• Severity: 3
• Assignee: Xinliang Liu
• Reporter: Jian Yu

Description

sanity test 45 failed on ARM clients as follows:

== sanity test 45: osc io page accounting ============================================================ 10:25:27 (1542191127)
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 

Maloo report: https://testing.whamcloud.com/test_sets/d4705c44-e801-11e8-b67f-52540065bddc

Issue Links

• is related to: LU-15226 sanity test_45: FAIL: write wasn't cached
• is related to: LU-10300 Can the Lustre 2.10.x clients support 64K kernel page?