LUDOC-117 cleanup: minor changes to wording and markup.

[doc/manual.git] / Glossary.xml

diff --git a/Glossary.xml b/Glossary.xml
index 2bb4c5b..1da8865 100644 (file)
--- a/Glossary.xml
+++ b/Glossary.xml
@@ -76,7 +76,7 @@
       <glossterm>EA
         </glossterm>
       <glossdef>
-        <para>Extended Attribute. A small amount of data which can be retrieved through a name associated with a particular inode. Lustre uses EAa to store striping information (location of file data on OSTs). Examples of extended attributes are ACLs, striping information, and crypto keys.</para>
+        <para>Extended Attribute. A small amount of data which can be retrieved through a name associated with a particular inode. Lustre uses EAs to store striping information (location of file data on OSTs). Examples of extended attributes are ACLs, striping information, and crypto keys.</para>
       </glossdef>
     </glossentry>
     <glossentry xml:id="eviction">
@@ -398,6 +398,13 @@
         <para>Metadata Target. A metadata device made available through the Lustre meta-data network protocol.</para>
       </glossdef>
     </glossentry>
+    <glossentry xml:id="mdt0" condition='l24'>
+      <glossterm>MDT0
+        </glossterm>
+      <glossdef>
+        <para>The metadata target for the file system root. Since Lustre 2.4, multiple metadata targets are possible in the same filesystem. MDT0 is the root of the filesystem which must be available for the filesystem to be accessible.</para>
+      </glossdef>
+    </glossentry>
     <glossentry xml:id="metadatawriteback">
       <glossterm>Metadata Write-back Cache
         </glossterm>
@@ -443,6 +450,27 @@
         <para>A subset of the LNET RPC module that implements a library for sending large network requests, moving buffers with RDMA.</para>
       </glossdef>
     </glossentry>
+    <glossentry xml:id="nodeaffdef">
+      <glossterm>Node Affinity
+        </glossterm>
+      <glossdef>
+        <para>Node Affinity describes the property of a multithreaded application to behave sensibably on multiple cores. Without the property of Node Affinity, an operating scheduler may move application threads accross processors in an sub-optimal way that significantly reduces performance of the application overall.</para>
+      </glossdef>
+    </glossentry>
+    <glossentry xml:id="nrs">
+      <glossterm>NRS
+        </glossterm>
+      <glossdef>
+        <para>Network Request Scheduler. A subcomponent of the PTLRPC layer, which determines the order in which RPCs are handled at servers.</para>
+      </glossdef>
+    </glossentry>
+    <glossentry xml:id="NUMAdef">
+      <glossterm>NUMA
+        </glossterm>
+      <glossdef>
+        <para>Non-Uniform Memory Access describes a mulitprocessing architecture where the time taken to access given memory differs depending on memory location releative to a given processor. Typically machines with multiple sockets are NUMA architectures.</para>
+      </glossdef>
+    </glossentry>
   </glossdiv>
   <glossdiv>
     <title>O</title>
@@ -579,7 +607,7 @@
         <para>The process that re-establishes the connection state when a client that was previously connected to a server reconnects after the server restarts.</para>
       </glossdef>
     </glossentry>
-    <glossentry xml:id="reply">
+    <glossentry xml:id="replay">
       <glossterm>Reply
         </glossterm>
       <glossdef>