Details

    • Bug
    • Resolution: Fixed
    • Blocker
    • Lustre 2.2.0, Lustre 2.1.2
    • Lustre 2.2.0
    • None
    • 3
    • 4713

    Description

      One one of our MDS nodes, we see a pretty voluminous stream of "Object doesn't exist" messages from the mdt_getattr_name_lock() function, and the associated LU_OBJECT_DEBUG output.

      We looked at code briefly and suspect that this is a race between an unlink and a getattr, which would be completely normal and expected.

      So why does this message exist? Is the race being handled correctly?

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        Issue Links

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            [LU-1098] Object doesn't exist!

            Integrated in lustre-b2_1 » i686,client,el6,inkernel #41
            LU-1098 debug: lower debug message level (Revision 826f7dc614b7623a9b11db84cf90140b5cf1498d)

            Result = SUCCESS
            Oleg Drokin : 826f7dc614b7623a9b11db84cf90140b5cf1498d
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-b2_1 » i686,client,el6,inkernel #41 LU-1098 debug: lower debug message level (Revision 826f7dc614b7623a9b11db84cf90140b5cf1498d) Result = SUCCESS Oleg Drokin : 826f7dc614b7623a9b11db84cf90140b5cf1498d Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-b2_1 » x86_64,client,sles11,inkernel #41
            LU-1098 debug: lower debug message level (Revision 826f7dc614b7623a9b11db84cf90140b5cf1498d)

            Result = SUCCESS
            Oleg Drokin : 826f7dc614b7623a9b11db84cf90140b5cf1498d
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-b2_1 » x86_64,client,sles11,inkernel #41 LU-1098 debug: lower debug message level (Revision 826f7dc614b7623a9b11db84cf90140b5cf1498d) Result = SUCCESS Oleg Drokin : 826f7dc614b7623a9b11db84cf90140b5cf1498d Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » i686,client,el6,ofa #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » i686,client,el6,ofa #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » i686,server,el6,ofa #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » i686,server,el6,ofa #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » x86_64,client,el6,inkernel #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » x86_64,client,el6,inkernel #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » x86_64,server,el6,inkernel #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » x86_64,server,el6,inkernel #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » x86_64,server,el6,ofa #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » x86_64,server,el6,ofa #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » x86_64,client,el6,ofa #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » x86_64,client,el6,ofa #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » i686,client,el6,inkernel #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » i686,client,el6,inkernel #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            Integrated in lustre-master » i686,server,el6,inkernel #489
            LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f)

            Result = SUCCESS
            Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f
            Files :

            • lustre/mdt/mdt_handler.c
            hudson Build Master (Inactive) added a comment - Integrated in lustre-master » i686,server,el6,inkernel #489 LU-1098 debug: lower debug message level (Revision cf2501b64acef9a57d3e4bb91fd3ba041b36388f) Result = SUCCESS Oleg Drokin : cf2501b64acef9a57d3e4bb91fd3ba041b36388f Files : lustre/mdt/mdt_handler.c

            I think that you forgot to keep the ChangeId the same on the patch. New gerrit entry is:

            http://review.whamcloud.com/2165

            It is possible that the stream of messages on the console was causing MDS issues, so this should probably land on 2.1 as well.

            morrone Christopher Morrone (Inactive) added a comment - I think that you forgot to keep the ChangeId the same on the patch. New gerrit entry is: http://review.whamcloud.com/2165 It is possible that the stream of messages on the console was causing MDS issues, so this should probably land on 2.1 as well.

            People

              bobijam Zhenyu Xu
              morrone Christopher Morrone (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: