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  1. Lustre
  2. LU-785

Gettting found wrong generation error for the same inode

Details

    • Bug
    • Resolution: Cannot Reproduce
    • Minor
    • None
    • Lustre 1.8.x (1.8.0 - 1.8.5)
    • None
    • THIS IS FOR NASA AMES.
      MDS running
      SUSE Linux Enterprise Server 10 (x86_64)
      VERSION = 10
      PATCHLEVEL = 2
    • 3
    • 7038

    Description

      We are getting the following error on our mds server repeatedly. This error continues to appear even after a MDS reboot.

      Oct 21 12:09:18 nbp30-mds kernel: LustreError: 8021:0:(handler.c:275:mds_fid2dentry()) Skipped 599 previous similar messages
      Oct 21 12:19:18 nbp30-mds kernel: LustreError: 8020:0:(handler.c:275:mds_fid2dentry()) found wrong generation: inode 209323401, link: 2, count: 1, generation 3543922068/3529758994
      Oct 21 12:19:18 nbp30-mds kernel: LustreError: 8020:0:(handler.c:275:mds_fid2dentry()) Skipped 599 previous similar messages
      Oct 21 12:29:19 nbp30-mds kernel: LustreError: 9206:0:(handler.c:275:mds_fid2dentry()) found wrong generation: inode 209323401, link: 2, count: 1, generation 3543922068/3529770923
      Oct 21 12:29:19 nbp30-mds kernel: LustreError: 9206:0:(handler.c:275:mds_fid2dentry()) Skipped 598 previous similar messages
      Oct 21 12:39:20 nbp30-mds kernel: LustreError: 9293:0:(handler.c:275:mds_fid2dentry()) found wrong generation: inode 209323401, link: 2, count: 1, generation 3543922068/3529758994
      Oct 21 12:39:20 nbp30-mds kernel: LustreError: 9293:0:(handler.c:275:mds_fid2dentry()) Skipped 599 previous similar messages
      Oct 21 12:49:20 nbp30-mds kernel: LustreError: 9238:0:(handler.c:275:mds_fid2dentry()) found wrong generation: inode 209323401, link: 2, count: 1, generation 3543922068/3529758994
      Oct 21 12:49:20 nbp30-mds kernel: LustreError: 9238:0:(handler.c:275:mds_fid2dentry()) Skipped 599 previous similar messages
      Oct 21 12:59:21 nbp30-mds kernel: LustreError: 9204:0:(handler.c:275:mds_fid2dentry()) found wrong generation: inode 209323401, link: 2, count: 1, generation 3543922068/3529758994
      Oct 21 12:59:21 nbp30-mds kernel: LustreError: 9204:0:(handler.c:275:mds_fid2dentry()) Skipped 598 previous similar messages

      Attachments

        1. debug.log.tgz
          3.44 MB
          Mahmoud Hanafi
        2. debug.log.tgz
          3.44 MB
          Mahmoud Hanafi

        Issue Links

          Trackbacks

          [Confluence: Engineering] Lustre 1.8.x known issues tracker While testing against Lustre b18 branch, we would hit known bugs which were already reported in Lustre Bugzilla https://bugzilla.lustre.org/. In order to move away from relying on Bugzilla, we would create a JIRA

          Activity

            [LU-785] Gettting found wrong generation error for the same inode
            pjones Peter Jones made changes -
            Resolution New: Cannot Reproduce [ 5 ]
            Status Original: In Progress [ 3 ] New: Resolved [ 5 ]
            laisiyao Lai Siyao made changes -
            Status Original: Open [ 1 ] New: In Progress [ 3 ]
            pjones Peter Jones made changes -
            Assignee Original: Andreas Dilger [ adilger ] New: Lai Siyao [ laisiyao ]
            mhanafi Mahmoud Hanafi made changes -
            Attachment New: debug.log.tgz [ 10571 ]
            mhanafi Mahmoud Hanafi made changes -
            Attachment New: debug.log.tgz [ 10570 ]
            pjones Peter Jones made changes -
            Affects Version/s New: Lustre 1.8.x (1.8.0 - 1.8.5) [ 10086 ]
            Affects Version/s Original: Lustre 1.8.6 [ 10022 ]
            adilger Andreas Dilger made changes -
            Affects Version/s New: Lustre 1.8.6 [ 10022 ]
            adilger Andreas Dilger made changes -
            Affects Version/s Original: Lustre 1.8.6 [ 10022 ]
            pjones Peter Jones made changes -
            Assignee Original: Robert Read [ rread ] New: Andreas Dilger [ adilger ]
            mhanafi Mahmoud Hanafi created issue -

            People

              laisiyao Lai Siyao
              mhanafi Mahmoud Hanafi
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              Dates

                Created:
                Updated:
                Resolved: