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  1. Lustre
  2. LU-6673

NRS crash when applying tunings

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Lustre 2.8.0
    • Labels:
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      A dangerous timeframe exists after enabling a NRS policy where setting a policy-specific tuning would lead to crashes, due to incomplete initialization of the policy.

      Trivial reproducer:
      echo -n orr > /proc/fs/lustre/ost/OSS/ost_io/nrs_policies & sleep 0.1 && echo -n 32 > /proc/fs/lustre/ost/OSS/ost_io/nrs_orr_quantum

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              • Assignee:
                emoly.liu Emoly Liu
                Reporter:
                hdoreau Henri Doreau (Inactive)
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                Dates

                • Created:
                  Updated:
                  Resolved: