doc/glossary: Add link to CRUSH paper

Add a link in the CRUSH definition to the original CRUSH paper.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit aa1e6352d0c2c77c299a16f93e16e83903fb9d54)

diff --git a/doc/glossary.rst b/doc/glossary.rst
index 5ba2159dd3d77b8924909a9b9080bd579b1cbaa4..94649965a6dfcdc2cca9b3a9e7b110bd18835dce 100644 (file)
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -214,8 +214,11 @@
                 Architecture document<architecture_cluster_map>` for details.
 
        CRUSH
-                Controlled Replication Under Scalable Hashing. It is the
-                algorithm Ceph uses to compute object storage locations.
+                **C**\ontrolled **R**\eplication **U**\nder **S**\calable
+                **H**\ashing. The algorithm that Ceph uses to compute object
+                storage locations. See `CRUSH: Controlled, Scalable,
+                Decentralized Placement of Replicated Data
+                <https://ceph.com/assets/pdfs/weil-crush-sc06.pdf>`_.
 
        CRUSH rule
                 The CRUSH data placement rule that applies to a particular