Uploaded image for project: 'Lustre'
  1. Lustre
  2. LU-4755

ASSERTION( req->rq_reqbuf_len >= msgsize ) failed when using 4MB RPC

    XMLWordPrintable

Details

    • 3
    • 13084

    Description

      After ran "lctl set_param osc.*.max_pages_per_rpc=4M", we ran 4k random write test with IOR and easily hit this problem.

      After some test, we found that the biggest value of msgsize is 16384 for bulk write, while req->rq_reqbuf_len is only 8192.

      Attachments

        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. LU-7181 Submitting random writes using 4MB RPC

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

          Activity

            People

              cliffw Cliff White (Inactive)
              lixi Li Xi (Inactive)
              Votes:
              0 Vote for this issue
              Watchers:
              7 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: