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  1. Lustre
  2. LU-10176 Data-on-MDT phase II
  3. LU-10175

DoM:Full support for the LDLM lock convert

Details

    • Technical task
    • Resolution: Fixed
    • Minor
    • Lustre 2.12.0
    • None
    • 9223372036854775807

    Description

      The Data-on-MDT locking needs lock convert for IBITS lock to drop conflicting bits instead of lock cancel. The main functionality was done in the context of DoM and only for lock used for Data-on-MDT files.

      Meanwhile it can't be used for all other IBITS lock because of conflicts with ELC. The ELC requires changes to work with lock convert.

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        Issue Links

          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. LU-5216 HSM: restore doesn't restart for new copytool

          • Major - Major loss of function.
          • Reopened
          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-11284 Full lock convert conflicts with HSM

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. LU-11002 Interop 2.11 <-> 2.12 sanity-dom test_10a: crash

          • 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-9184 early patches for Data-on-MDT support

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

          Bug - A problem which impairs or prevents the functions of the product. LU-9293 ocd_ibits_known is not checked

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

          New Feature - A new feature of the product, which has yet to be developed. LU-3285 Data on MDT

          • Major - Major loss of function.
          • Resolved

          Activity

            [LU-10175] DoM:Full support for the LDLM lock convert
            jgmitter Joseph Gmitter (Inactive) added a comment -

            Patches have landed for 2.12 for DoM locking.  Additional follow-on work will be created under a separate ticket.

            jgmitter Joseph Gmitter (Inactive) added a comment - Patches have landed for 2.12 for DoM locking.  Additional follow-on work will be created under a separate ticket.
            gerrit Gerrit Updater added a comment -

            Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/32314/
            Subject: LU-10175 ldlm: handle lock converts in cancel handler
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 541902a3f934d0e68368d9698cef38d44c473527

            gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/32314/ Subject: LU-10175 ldlm: handle lock converts in cancel handler Project: fs/lustre-release Branch: master Current Patch Set: Commit: 541902a3f934d0e68368d9698cef38d44c473527
            gerrit Gerrit Updater added a comment -

            Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/32593/
            Subject: LU-10175 ptlrpc: add LOCK_CONVERT connection flag
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 44a2092f08ca5f349659680b2c19d55d2365c842

            gerrit Gerrit Updater added a comment - Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/32593/ Subject: LU-10175 ptlrpc: add LOCK_CONVERT connection flag Project: fs/lustre-release Branch: master Current Patch Set: Commit: 44a2092f08ca5f349659680b2c19d55d2365c842
            gerrit Gerrit Updater added a comment -

            Mike Pershin (mike.pershin@intel.com) uploaded a new patch: https://review.whamcloud.com/32593
            Subject: LU-10175 ptlrpc: add LOCK_CONVERT connection flag
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: efae969761c5dc27bd481f3f91119fd26a86a31f

            gerrit Gerrit Updater added a comment - Mike Pershin (mike.pershin@intel.com) uploaded a new patch: https://review.whamcloud.com/32593 Subject: LU-10175 ptlrpc: add LOCK_CONVERT connection flag Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: efae969761c5dc27bd481f3f91119fd26a86a31f
            jgmitter Joseph Gmitter (Inactive) added a comment -

            Reopening as there are more patches to land under this umbrella

            jgmitter Joseph Gmitter (Inactive) added a comment - Reopening as there are more patches to land under this umbrella
            gerrit Gerrit Updater added a comment -

            Mike Pershin (mike.pershin@intel.com) uploaded a new patch: https://review.whamcloud.com/32314
            Subject: LU-10175 ldlm: handle lock converts in cancel handler
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 00baa72387638913cef71c3037f7894bf0811c6f

            gerrit Gerrit Updater added a comment - Mike Pershin (mike.pershin@intel.com) uploaded a new patch: https://review.whamcloud.com/32314 Subject: LU-10175 ldlm: handle lock converts in cancel handler Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 00baa72387638913cef71c3037f7894bf0811c6f
            pjones Peter Jones added a comment -

            Landed for 2.12

            pjones Peter Jones added a comment - Landed for 2.12
            gerrit Gerrit Updater added a comment -

            Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/30202/
            Subject: LU-10175 ldlm: IBITS lock convert instead of cancel
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 37932c4beb9885593abe63c9e2dc1936648a0b49

            gerrit Gerrit Updater added a comment - Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/30202/ Subject: LU-10175 ldlm: IBITS lock convert instead of cancel Project: fs/lustre-release Branch: master Current Patch Set: Commit: 37932c4beb9885593abe63c9e2dc1936648a0b49
            tappro Mikhail Pershin added a comment -

            Full lock convert is stuck on LU-5216 as I can see. Tests 33-36 in sanity-hsm.sh are failed and test 201 experiences deadlock. Lock convert doesn't change anything related to HSM but LDLM and it looks similar to what LU-5216 says about HSM locking problems.

            tappro Mikhail Pershin added a comment - Full lock convert is stuck on LU-5216 as I can see. Tests 33-36 in sanity-hsm.sh are failed and test 201 experiences deadlock. Lock convert doesn't change anything related to HSM but LDLM and it looks similar to what LU-5216 says about HSM locking problems.
            tappro Mikhail Pershin added a comment -

            Full lock convert caused HSM deadlock issues and it seems common HSM problem described in LU-5216.

            tappro Mikhail Pershin added a comment - Full lock convert caused HSM deadlock issues and it seems common HSM problem described in LU-5216 .

            People

              tappro Mikhail Pershin
              tappro Mikhail Pershin
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              Dates

                Created:
                Updated:
                Resolved: