diff -up sos-2.2/sos/plugins/filesys.py.orig sos-2.2/sos/plugins/filesys.py
--- sos-2.2/sos/plugins/filesys.py.orig	2011-02-25 12:21:24.000000000 +0000
+++ sos-2.2/sos/plugins/filesys.py	2011-02-25 12:38:14.000000000 +0000
@@ -37,6 +37,7 @@ class filesys(sos.plugintools.PluginBase
         if self.getOption('lsof'):
             self.collectExtOutput("/usr/sbin/lsof -b +M -n -l -P", root_symlink = "lsof")
         self.collectExtOutput("/sbin/blkid -c /dev/null")
+        self.collectExtOutput("/bin/lsblk")
         
         part_titlep = re.compile("^major")
         blankp = re.compile("^$")