EXPERIMENTAL xfs_scrub program in use! Use at your own risk!
Phase 1: Find filesystem geometry.
/opt: using 4 threads to scrub.
Phase 1: Memory used: 200k/0k (95k/106k), time:  0.00/ 0.00/ 0.00s
Phase 5: Check directory tree.
Warning: inode 134 (0/134): Unicode name "french_cafe\xcc\x81.txt" in directory renders identically to "french_caf\xc3\xa9.txt". (unicrash.c line 537)
Warning: inode 134 (0/134): Unicode name "greek_\xcf\x92\xcc\x81.txt" in directory renders identically to "greek_\xcf\x93.txt". (unicrash.c line 537)
Warning: inode 134 (0/134): Unicode name "greek_\xce\x8e.txt" in directory renders identically to "greek_\xcf\x92\xcc\x81.txt". (unicrash.c line 537)
Warning: inode 134 (0/134): Unicode name "greek_\xce\xa5\xcc\x81.txt" in directory renders identically to "greek_\xce\x8e.txt". (unicrash.c line 537)
Warning: inode 134 (0/134): Unicode name "arabic_\xd8\xb5\xd9\x84\xd9\x89 \xd8\xa7\xd9\x84\xd9\x84\xd9\x87 \xd8\xb9\xd9\x84\xd9\x8a\xd9\x87 \xd9\x88\xd8\xb3\xd9\x84\xd9\x85.txt" in directory renders identically to "arabic_\xef\xb7\xba.txt". (unicrash.c line 537)
Warning: inode 134 (0/134): Unicode name "linedraw_\x0a\xe2\x95\x94\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x97\x0a\xe2\x95\x91 metatable \xe2\x95\x91\x0a\xe2\x95\x9f\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x94\x80\xe2\x95\xa2\x0a\xe2\x95\x91 __index   \xe2\x95\x91\x0a\xe2\x95\x9a\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x9d\x0a.txt" in directory contains control characters. (unicrash.c line 523)
Warning: inode 134 (0/134): Unicode name "moo\xe2\x80\xaegnp.txt" in directory contains suspicious text direction overrides. (unicrash.c line 509)
Info: inode 134 (0/134): Unicode name "mixed_top.txt" in directory could be confused with "mixed_t\xce\xbfp.txt". (unicrash.c line 544)
Info: inode 134 (0/134): Unicode name "hyphens_a-b.txt" in directory could be confused with "hyphens_a\xe2\x80\x90b.txt". (unicrash.c line 544)
Info: inode 134 (0/134): Unicode name "dz_digraph_\xca\xa3e.txt" in directory could be confused with "dz_digraph_dze.txt". (unicrash.c line 544)
Info: inode 134 (0/134): Unicode name "inadequate_a1.txt" in directory could be confused with "inadequate_al.txt". (unicrash.c line 544)
Warning: inode 134 (0/134): Unicode name "prohibition_\xe2\x82\xa8.txt" in directory renders identically to "prohibition_Rs.txt". (unicrash.c line 537)
Warning: inode 134 (0/134): Unicode name "zerojoin_moo\xe2\x80\x8dcow.txt" in directory contains suspicious zero-width control characters. (unicrash.c line 516)
Phase 5: Memory used: 464k/0k (108k/357k), time:  0.00/ 0.00/ 0.00s
Phase 7: Check summary counters.
14.4MiB data used;  36.0 inodes used.
14.3MiB data found; 36.0 inodes found.
36.0 inodes counted; 0.0 inodes checked.
Phase 7: Memory used: 4488k/0k (108k/4381k), time:  0.00/ 0.00/ 0.00s
/opt: warnings found: 9
Memory used: 4488k/0k (104k/4385k), time:  0.01/ 0.00/ 0.01s