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  1. Lustre
  2. LU-6007

FIEMAP fails xfstests's fiemap-tester

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Details

    • Bug
    • Resolution: Unresolved
    • Major
    • None
    • Lustre 2.7.0
    • None
    • 3
    • 16744

    Description

      Following resolution of bug LU-5933, I tried to run fiemap-tester from xfstests, and saw it fail. I don't know whether it's a Lustre or some bad assumption, but the same test works fine on ext4, and presumably all filesystem supported by the xfs test suite.

      xfstests is easy to get and install. See http://xfs.org/index.php/Getting_the_latest_source_code. fiemap-tester will fail within seconds, with no particular parameter besides the name of a file on Lustre.

      # ./src/fiemap-tester /mnt/lustre/qwerty
preallocation not supported, disabling
Starting infinite run, if you don't see any output then its working properly.
ERROR: couldn't find extent at 197
map is 'HHHHHHDHDDDHDDDHDHHHDHHHHHDHDHDDDDHDDDDHDHDDDDDDDHHHDHDHHHDDHHHDHHDHHDDHDDDHHHHHHDDDDHHDDHDDDDDDHHHDDHDDDHHHHHHDDHDDHDHDDHDHDDDHHDDHDDHHDDHHHHDDHHHDHDDDHDDDDDHHDHHDHHHHDHDDHHHDDDHHDDHDDDHDDHHDDHHDHDDDHDHDDHDDDDDHDDHHDHHHHHHDDDHHHHDDHDHHHDHHHHDDDDHHHHHHDHHHHDHDHDDHHHDHDDHHDDDDHHHHDHDHHDHDDHHDDDHDDHHHDHHDDHHHDHHHHDDDDHDHHDHHHHDHDDDHDDDHDHHDHHDDDHDHDHDDDHHHDHHHHHDDDDHHDDHDHHDHHHDHHDHHHHDHHHHHQ'
logical: [       6..       6] phys:    34998..   34998 flags: 0x80000000 tot: 1
logical: [       8..      10] phys:    34999..   35001 flags: 0x80000000 tot: 3
logical: [      12..      14] phys:    35002..   35004 flags: 0x80000000 tot: 3
...
logical: [     187..     188] phys:    35094..   35095 flags: 0x80000000 tot: 2
logical: [     191..     192] phys:    35096..   35097 flags: 0x80000000 tot: 2
logical: [     195..     195] phys:    35098..   35098 flags: 0x80000000 tot: 1
Problem comparing fiemap and map

      Related to LU-920.

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        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. LU-920 include xfstests into regular testing runs

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open
          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-1941 ZFS FIEMAP support

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. LU-1923 filefrag with large fiemap buffer crashes client

          • Blocker - Blocks development and/or testing work, production could not run.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. LU-5933 FIEMAP: FIEMAP_EXTENT_LAST is not always set

          • Major - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. LU-10335 Ubuntu1604 client sanity-130a: FAIL: filefrag -ves core dumped

          • Major - Major loss of function.
          • Resolved

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              wc-triage WC Triage
              fzago Frank Zago (Inactive)
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              Dates

                Created:
                Updated: