doc/glossary: add "PLP" to glossary

Add "PLP" to the glossary.

Co-authored-by: Anthony D'Atri <anthony.datri@gmail.com>
Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit 599bdbf0a240ee718ed6da4104141b0f23330fbe)

diff --git a/doc/glossary.rst b/doc/glossary.rst
index 631b7b532a622e3f937304006ec7e81d9fe0514f..fea3d3be69e2b8e705047f803cbda78e1f47f6a9 100644 (file)
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -395,7 +395,15 @@
                 placement group, and each placement group belongs to exactly
                 one Ceph pool. 
 
+        PLP 
+                **P**\ower **L**\oss **P**\rotection. A technology that
+                protects the data of solid-state drives by using capacitors to
+                extend the amount of time available for transferring data from
+                the DRAM cache to the SSD's permanent memory. Consumer-grade
+                SSDs are rarely equipped with PLP.
+
        :ref:`Pool<rados_pools>`
+
                A pool is a logical partition used to store objects.
 
        Pools