netapp plugin: Subtract snap_norm_used from norm_used in any case.

[collectd.git] / README

diff --git a/README b/README
index af09029..07a7415 100644 (file)
--- a/README
+++ b/README
@@ -121,6 +121,10 @@ Features
     - libvirt
       CPU, disk and network I/O statistics from virtual machines.
 
+    - madwifi
+      Queries very detailed usage statistics from wireless LAN adapters and
+      interfaces that use the Atheros chipset and the MadWifi driver.
+
     - mbmon
       Motherboard sensors: temperature, fanspeed and voltage information,
       using mbmon(1).
@@ -144,6 +148,10 @@ Features
       MySQL server statistics: Commands issued, handlers triggered, thread
       usage, query cache utilization and traffic/octets sent and received.
 
+    - netapp
+      Plugin to query performance values from a NetApp storage system using the
+      “Manage ONTAP” SDK provided by NetApp.
+
     - netlink
       Very detailed Linux network interface and routing statistics. You can get
       (detailed) information on interfaces, qdiscs, classes, and, if you can
@@ -169,6 +177,10 @@ Features
       Network UPS tools: UPS current, voltage, power, charge, utilisation,
       temperature, etc. See upsd(8).
 
+    - olsr
+      Queries routing information from the “Optimized Link State Routing”
+      daemon.
+
     - onewire (EXPERIMENTAL!)
       Read onewire sensors using the owcapu library of the owfs project.
       Please read in collectd.conf(5) why this plugin is experimental.
@@ -243,7 +255,8 @@ Features
       Linux ACPI thermal zone information.
 
     - tokyotyrant
-      Record in and file size of a Tokyo Cabinet database file.
+      Reads the number of records and file size from a running Tokyo Tyrant
+      server.
 
     - uptime
       System uptime statistics.
@@ -262,9 +275,6 @@ Features
     - wireless
       Link quality of wireless cards. Linux only.
 
-    - write_http
-      Send data to a web-server using POST requests.
-
     - xmms
       Bitrate and frequency of music played with XMMS.
 
@@ -305,6 +315,11 @@ Features
       needed. Please read collectd-unixsock(5) for a description on how that's
       done.
 
+    - write_http
+      Sends the values collected by collectd to a web-server using HTTP POST
+      requests. The transmitted data is either in a form understood by the
+      Exec plugin or formatted in JSON.
+
   * Logging is, as everything in collectd, provided by plugins. The following
     plugins keep up informed about what's going on:
 
@@ -470,11 +485,16 @@ Prerequisites
     If present, the uuid plugin will check for UUID from HAL.
     <http://hal.freedesktop.org/>
 
-  * libiptc (optional, if not found a version shipped with this distribution
-    can be used if the Linux kernel headers are available)
+  * libiptc (optional)
     For querying iptables counters.
     <http://netfilter.org/>
 
+    If not found on the system, a version shipped with this distribution can
+    be used. It requires some Linux headers in /usr/include/linux. You can
+    force the build system to use the shipped version by specifying
+      --with-libiptc=shipped
+    when running the configure script.
+
   * libjvm (optional)
     Library that encapsulates the `Java Virtual Machine' (JVM). This library is
     used by the Java plugin to execute Java bytecode. See “Configuring with
@@ -487,6 +507,10 @@ Prerequisites
     Unsurprisingly used by the `mysql' plugin.
     <http://dev.mysql.com/>
 
+  * libnatapp (optional)
+    Required for the “netapp” plugin.
+    This library is part of the “Manage ONTAP SDK” published by NetApp.
+
   * libnetlink (optional)
     Used, obviously, for the `netlink' plugin.
     <http://www.linuxfoundation.org/en/Net:Iproute2>
@@ -499,8 +523,7 @@ Prerequisites
     For the `notify_desktop' plugin.
     <http://www.galago-project.org/>
 
-  * liboping (optional, if not found a version shipped with this distribution
-    can be used)
+  * liboping (optional)
     Used by the `ping' plugin to send and receive ICMP packets.
     <http://verplant.org/liboping/>