Uploaded image for project: 'Lustre'
  1. Lustre
  2. LU-1707

Add llapi_* function to return the OST/MDT count for a path.

    XMLWordPrintable

    Details

    • Type: Improvement
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Labels:
    • Rank (Obsolete):
      10514

      Description

      It would be valuable to programmatically discover the number of OSTs that are available. An llapi_* function would be a suitable place for this call.

      Use Case

      When writing HDF5 files one typically configures the number of writers as a fraction of the number of OSTs for best performance.

      Currently this information is only available by writing a file with stripe count set to -1 and then counting the number of stripes present. A programmatic interface to the OST count would simplify this task.

        Attachments

          Issue Links

            Activity

              People

              Assignee:
              wc-triage WC Triage
              Reporter:
              rhenwood Richard Henwood (Inactive)
              Votes:
              0 Vote for this issue
              Watchers:
              7 Start watching this issue

                Dates

                Created:
                Updated: