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  1. Lustre
  2. LU-10157

LNET_MAX_IOV hard coded to 256

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    • 9223372036854775807

    Description

      LNET_MAX_IOV is hard coded to 256 which works well for architectures with 4096 PAGE_SIZE. However on systems with page sizes bigger or smaller than 4K it will result in long MD count calculations, causing write errors.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. LU-10775 (sec.c:2363:sptlrpc_svc_unwrap_bulk()) @@@ truncated bulk GET 1048576(2097152)

          • 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-13181 kiblnd_fmr_pool_map error on the AARCH64 with 64k pages

          • Blocker - Blocks development and/or testing work, production could not run.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. LU-10073 lnet-selftest test_smoke: lst Error found

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

          New Feature - A new feature of the product, which has yet to be developed. LU-6387 Add Power8 support to Lustre

          • Major - Major loss of function.
          • Resolved

          Question/Request - A product question or request LU-10300 Can the Lustre 2.10.x clients support 64K kernel page?

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

          Bug - A problem which impairs or prevents the functions of the product. LU-10129 map-on-demand set to 32 doesn't work on OPA

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. LU-7650 ko2iblnd map_on_demand can't negotitate when page sizes are different between nodes.

          • Major - Major loss of function.
          • Resolved

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              shadow Alexey Lyashkov
              ashehata Amir Shehata (Inactive)
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                Created:
                Updated:
                Resolved: