== sanity-flr test 50b: mirror rsync handles sparseness == 05:47:10 (1762166830)
 ** create mirrored file /mnt/lustre/d50b.sanity-flr/f50b.sanity-flr
 ** write data chunk at 1M boundary
dd: failed to truncate to 1045504 bytes in output file '/mnt/lustre/d50b.sanity-flr/f50b.sanity-flr': Input/output error
 sanity-flr test_50b: @@@@@@ FAIL: cannot write data at 1M boundary 
  Trace dump:
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7314:error()
  = /home/green/git/lustre-release/lustre/tests/sanity-flr.sh:2918:test_50b()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7690:run_one()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7753:run_one_logged()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7568:run_test()
  = /home/green/git/lustre-release/lustre/tests/sanity-flr.sh:2983:main()
Dumping lctl log to /tmp/testlogs//sanity-flr.test_50b.*.1762166831.log
rsync: chown "/tmp/testlogs/.sanity-flr.test_50b.debug_log.oleg438-server.1762166831.log.DlNtuz" failed: Operation not permitted (1)
rsync: chown "/tmp/testlogs/.sanity-flr.test_50b.dmesg.oleg438-server.1762166831.log.jlx5es" failed: Operation not permitted (1)
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1668) [generator=3.1.3]