From ab11e575ff5d9facf19f48d4329712add4105a91 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 10 Aug 2013 17:49:18 +0200
Subject: [PATCH] Describe discard support

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 index.html | 21 +++++++++++++++++++++
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   </ul>
 </div>
 
+<div class="slide">
+  <h1>More support for discard</h1>
+  <ul class="incremental">
+    <li>
+      Flash devices (and thin-provisioned SANs) can be more efficient
+      if the filesystem 'discards' unused disk space
+    </li>
+    <li>
+      Requires support in hardware, driver, filesystem and any layered
+      device drivers - e.g. LVM, RAID (added in 3.7)
+    </li>
+    <li>
+      Must be explicitly enabled, but d-i doesn't do this by default
+    </li>
+    <li>
+      Want to make it work?
+      See <a href="http://bugs.debian.org/690977">http://bugs.debian.org/690977</a>
+    </li>
+  </ul>
+</div>
+
 <div class="slide">
   <h1>Questions?</h1>
 </div>
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2.39.2