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diff --git a/doc/dev/osd_internals/erasure_coding/jerasure.rst b/doc/dev/osd_internals/erasure_coding/jerasure.rst new file mode 100644 index 00000000000..312eac52e5d --- /dev/null +++ b/doc/dev/osd_internals/erasure_coding/jerasure.rst @@ -0,0 +1,22 @@ +=============== +jerasure plugin +=============== + +Introduction +------------ + +The parameters interpreted by the jerasure plugin are: + +:: + + ceph osd pool create <pool> \ + erasure-code-directory=<dir> \ # plugin directory absolute path + erasure-code-plugin=jerasure \ # plugin name (only jerasure) + erasure-code-k=<k> \ # data chunks (default 2) + erasure-code-m=<m> \ # coding chunks (default 2) + erasure-code-technique=<technique> \ # coding technique + +The coding techniques can be chosen among *reed_sol_van*, +*reed_sol_r6_op*, *cauchy_orig*, *cauchy_good*, *liberation*, +*blaum_roth* and *liber8tion*. + |