X-Git-Url: http://git.tuebingen.mpg.de/?p=aple.git;a=blobdiff_plain;f=Filesystems.m4;h=1a77ef882e9ebb6c412380add1c2787acc32a291;hp=903b0b35a4ebcda8ab3a18997c7cc77617368744;hb=HEAD;hpb=0d431cf6bd2cb41ec51041f4069711dbf2306d54;ds=sidebyside

diff --git a/Filesystems.m4 b/Filesystems.m4
index 903b0b3..40dedd1 100644
--- a/Filesystems.m4
+++ b/Filesystems.m4
@@ -1385,7 +1385,7 @@ silly renames: An NFS4.1 server knows when it its safe to unlink a
 file and communicates this information to the client. </p>
 
 <p> The file handle which an nfs client received through some earlier
-rpc can become invalid at any time due to operations on a different
+rpc can become invalid at any time due to operations on different
 hosts. This happens, for example, if the file was deleted on the server
 or on a different nfs client, or when the directory that contains
 the file is no longer exported by the server due to a configuration
@@ -1432,7 +1432,7 @@ EXERCISES()
 	<li> In an nfs-mounted directory (nfs version 4.0 or earlier), run
 	<code>cat > foo &</code>. Note that the cat process automatically
 	receives the STOP signal. Run <code>rm foo; ls -ltra</code>. Read
-	section D2 of the <a href="http://nfs.sourceforge.net/">nfs HOWTO</a>
+	section D2 of the <a href="https://nfs.sourceforge.net/">nfs HOWTO</a>
 	for the explanation. </li>
 
 	<li> In an nfs-mounted directory, run <code>{ while :; do echo; sleep
@@ -1441,7 +1441,7 @@ EXERCISES()
 
 	<li> Discuss the pros and cons of hard vs. soft mounts. </li>
 
-	<li> Read section A10 of the <a href="http://nfs.sourceforge.net/">nfs
+	<li> Read section A10 of the <a href="https://nfs.sourceforge.net/">nfs
 	HOWTO</a> to learn about common reasons for stale nfs handles. </li>
 
 	<li> Can every local filesystem be exported via nfs? </li>
@@ -1508,9 +1508,12 @@ SECTION(«Further Reading»)
 	<li> Dominic Giampaolo: Practical File System Design </li>
 	<li> Cormen </li>
 	<li> Darrick Wong: XFS Filesystem Disk Structures </li>
-	<li> The <a href="https://xfs.org/index.php/Main_Page">xfs FAQ</a> </li>
 	<li> Documentation/filesystems/path-lookup.rst </li>
 	<li> rfc 5531: Remote Procedure Call Protocol, Version 2 (2009) </li>
 	<li> Birell, A.D. and Nelson, B.J.: Implementing Remote Procedure Calls
 	(1984) </li>
+	<li> <a href="https://lwn.net/Articles/897917/">NFS: the early
+	years</a> and <a href="https://lwn.net/Articles/898262/">NFS: the new
+	millennium</a>, two articles on the design and history of NFS by Neil
+	Brown. </li>
 </ul>