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  1. Lustre
  2. LU-12852

growing a PFL file with last stripe as -1 fails

Details

    • Bug
    • Resolution: Fixed
    • Critical
    • Lustre 2.14.0, Lustre 2.12.5
    • Lustre 2.10.8
    • None
    • 2
    • 9223372036854775807

    Description

      If a file/dir is striped with last stripe count set to -1 growing the file fails.

      $  lfs setstripe -E 256M -c 1 -E 16G -c 4 -E -1 -S 4M -c -1 pfldir
      $  echo hello > pfldir/test
      $ echo helpo >> pfldir/test 
      -bash: echo: write error: No space left on device
      
      $  lfs getstripe pfldir/test
      pfldir/test
        lcm_layout_gen:    3
        lcm_mirror_count:  1
        lcm_entry_count:   3
          lcme_id:             1
          lcme_mirror_id:      0
          lcme_flags:          init
          lcme_extent.e_start: 0
          lcme_extent.e_end:   268435456
            lmm_stripe_count:  1
            lmm_stripe_size:   1048576
            lmm_pattern:       raid0
            lmm_layout_gen:    0
            lmm_stripe_offset: 313
            lmm_objects:
            - 0: { l_ost_idx: 313, l_fid: [0x101390000:0x110967ab:0x0] }
      
          lcme_id:             2
          lcme_mirror_id:      0
          lcme_flags:          0
          lcme_extent.e_start: 268435456
          lcme_extent.e_end:   17179869184
            lmm_stripe_count:  4
            lmm_stripe_size:   1048576
            lmm_pattern:       raid0
            lmm_layout_gen:    0
            lmm_stripe_offset: -1
      
          lcme_id:             3
          lcme_mirror_id:      0
          lcme_flags:          0
          lcme_extent.e_start: 17179869184
          lcme_extent.e_end:   EOF
            lmm_stripe_count:  -1
            lmm_stripe_size:   4194304
            lmm_pattern:       raid0
            lmm_layout_gen:    0
            lmm_stripe_offset: -1
      
      $  lfs setstripe -E 256M -c 1 -E 16G -c 4 -E -1 -S 4M -c 10 pfldir
      $  echo hello > pfldir/test
      $  echo helpo >> pfldir/test 
      
      This worked.
      

      Attachments

        1. mdt.debug.gz
          147.23 MB
          Mahmoud Hanafi
        2. mdt.pid.34027.out.gz
          167 kB
          Mahmoud Hanafi
        3. r417i2n16.debug2.out.gz
          36 kB
          Mahmoud Hanafi
        4. r417i2n16.out
          276 kB
          Mahmoud Hanafi

        Activity

          [LU-12852] growing a PFL file with last stripe as -1 fails
          pjones Peter Jones made changes -
          Labels Original: LTS12
          pjones Peter Jones made changes -
          Fix Version/s New: Lustre 2.12.5 [ 14696 ]

          Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/37512/
          Subject: LU-12852 pfl: restrict the stripe count correctly
          Project: fs/lustre-release
          Branch: b2_12
          Current Patch Set:
          Commit: 454771e39c556ac5a4b290d2bbf603dc7f308fdf

          gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/37512/ Subject: LU-12852 pfl: restrict the stripe count correctly Project: fs/lustre-release Branch: b2_12 Current Patch Set: Commit: 454771e39c556ac5a4b290d2bbf603dc7f308fdf

          Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/37512
          Subject: LU-12852 pfl: restrict the stripe count correctly
          Project: fs/lustre-release
          Branch: b2_12
          Current Patch Set: 1
          Commit: 6a95331bcb4d4f0dd9c7c8a152509e1a6652042c

          gerrit Gerrit Updater added a comment - Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/37512 Subject: LU-12852 pfl: restrict the stripe count correctly Project: fs/lustre-release Branch: b2_12 Current Patch Set: 1 Commit: 6a95331bcb4d4f0dd9c7c8a152509e1a6652042c
          pjones Peter Jones made changes -
          Link New: This issue is related to JFC-17 [ JFC-17 ]
          pjones Peter Jones made changes -
          Link Original: This issue is related to JFC-10 [ JFC-10 ]
          pjones Peter Jones made changes -
          Labels New: LTS12
          pjones Peter Jones made changes -
          Fix Version/s New: Lustre 2.14.0 [ 14490 ]
          Resolution New: Fixed [ 1 ]
          Status Original: Open [ 1 ] New: Resolved [ 5 ]
          pjones Peter Jones added a comment -

          Landed for 2.14

          pjones Peter Jones added a comment - Landed for 2.14

          Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/36947/
          Subject: LU-12852 pfl: restrict the stripe count correctly
          Project: fs/lustre-release
          Branch: master
          Current Patch Set:
          Commit: 6dc37759cfb22727ac5d776c38b72e8638563fd8

          gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/36947/ Subject: LU-12852 pfl: restrict the stripe count correctly Project: fs/lustre-release Branch: master Current Patch Set: Commit: 6dc37759cfb22727ac5d776c38b72e8638563fd8

          People

            emoly.liu Emoly Liu
            mhanafi Mahmoud Hanafi
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            Dates

              Created:
              Updated:
              Resolved: