[LU-9024] conf-sanity test_63: FAIL: ldisk inode size is too big, 3 objs per page

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.10.0
• Affects Version/s: Lustre 2.10.0
• Severity: 3
• Assignee: Andreas Dilger
• Reporter: Jian Yu

Description

conf-sanity test 63 failed as follows:

== conf-sanity test 63: Verify each page can at least hold 3 ldisk inodes == 07:38:31 (1482565111)
CMD: trevis-46vm7 awk '/ldiskfs_inode_cache/ { print \$5 }' /proc/slabinfo
3 ldisk inodes per page
CMD: trevis-46vm7 awk '/^(kmalloc|size)-128 / { print \$5 }' /proc/slabinfo
 conf-sanity test_63: @@@@@@ FAIL: ldisk inode size is too big, 3 objs per page 

Maloo reports:
https://testing.hpdd.intel.com/test_sets/d72b6e20-ca5c-11e6-aafc-5254006e85c2
https://testing.hpdd.intel.com/test_sets/2c198ae0-ccef-11e6-9296-5254006e85c2
https://testing.hpdd.intel.com/test_sets/a77f3834-ccd0-11e6-a5a6-5254006e85c2

Issue Links

• is related to: LU-12030 rhel7.6 removed kmalloc-128 slab causing conf-sanity test_63 to fail on DEBUG_SLAB kernels
• is related to: LU-8976 Apply patch "libext2fs: fix maximum bg overhead calculation with meta_bg enabled"