[LU-6785] Interop 2.7.0<->master sanity test_56w: cannot swap layouts: Device or resource busy

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.8.0
• Environment: server: 2.7.0; client: lustre-master build # 3071 EL7
• Severity: 3
• Assignee: Henri Doreau (Inactive)
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/a260a392-1237-11e5-bd2d-5254006e85c2.

The sub-test test_56w failed with the following error:

/usr/bin/lfs migrate -i 0 /mnt/lustre/d56w.sanityw/migr_1_ost failed

yes: standard output: Broken pipe
yes: write error
/usr/bin/lfs_migrate -y -c 6 /mnt/lustre/d56w.sanityw/file1
/mnt/lustre/d56w.sanityw/file1: /usr/bin/lfs: /mnt/lustre/d56w.sanityw/file1: cannot swap layouts: Device or resource busy
cannot put lease: No locks available (37)
error: migrate: migrate stripe file '/mnt/lustre/d56w.sanityw/file1' failed
falling back to rsync-based migration
done

Issue Links

• is related to: LU-14084 change 'lfs migrate' to use 'MIGRATION_NONBLOCK' by default
• is related to: LU-4840 Deadlock when truncating file during lfs migrate
• is related to: LU-6475 race between open and migration