Uploaded image for project: 'Lustre'
  1. Lustre
  2. LU-9990

MDS fails to mount due to (client.c:96:ptlrpc_uuid_to_connection()) cannot find peer MGC10.37.248.196@o2ib1 _0!

Details

    • Bug
    • Resolution: Fixed
    • Blocker
    • Lustre 2.11.0
    • Lustre 2.11.0
    • None
    • Latest lustre 2.10.5X running on RHEL7.4 with default OFED. Using IB for LND.
    • 2
    • 9223372036854775807

    Description

      Recently I started to run into issues with the MDT failing to mount randomly. Now with the latest master the MDT fails to mount every single time. Looking at the debug log I noticed the following error on the MDT:

      (client.c:96:ptlrpc_uuid_to_connection()) cannot find peer MGC10.37.248.196@o2ib1_0!

      Attachments

        1. dump-mds.log
          20 kB
        2. dump-mgs.log
          1.70 MB

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-9933 Hitting ASSERTION in lnet_peer_add_nid()

          • 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-9992 Multi-Rail: use lolnd when sending locally

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

          Improvement - An improvement or enhancement to an existing feature or task. LU-9810 Melanox OFED 4.1 support

          • Major - Major loss of function.
          • Resolved

          Activity

            [LU-9990] MDS fails to mount due to (client.c:96:ptlrpc_uuid_to_connection()) cannot find peer MGC10.37.248.196@o2ib1 _0!
            mdiep Minh Diep made changes -
            Link Original: This issue is related to JFC-26 [ JFC-26 ]
            mdiep Minh Diep added a comment -

            ashehata said we don't need this for LTS

            mdiep Minh Diep added a comment - ashehata said we don't need this for LTS
            mdiep Minh Diep made changes -
            Labels Original: LTS
            pjones Peter Jones made changes -
            Link New: This issue is related to JFC-26 [ JFC-26 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to LU-9810 [ LU-9810 ]
            adilger Andreas Dilger made changes -
            Link Original: This issue is related to LU-9180 [ LU-9180 ]
            mdiep Minh Diep made changes -
            Link New: This issue is related to JFC-20 [ JFC-20 ]
            mdiep Minh Diep made changes -
            Link Original: This issue is related to JFC-10 [ JFC-10 ]
            pjones Peter Jones made changes -
            Resolution New: Fixed [ 1 ]
            Status Original: Open [ 1 ] New: Resolved [ 5 ]
            pjones Peter Jones added a comment -

            Landed for 2.11

            pjones Peter Jones added a comment - Landed for 2.11

            People

              ashehata Amir Shehata (Inactive)
              simmonsja James A Simmons
              Votes:
              0 Vote for this issue
              Watchers:
              12 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: