A simple patch to the nfsiostat command in debian that will output stats that you can send directly to graphite. # nfsiostat 30 |netcat graphiteserver.example.com 2003

nfsiostat_graphite.diff

--- /usr/sbin/nfsiostat  2012-04-09 13:21:11.000000000 +0100
+++ nfsiostat	2013-01-03 16:28:11.564087330 +0000
@@ -22,6 +22,8 @@
 """
 
 import sys, os, time
+import socket
+from datetime import datetime
 from optparse import OptionParser, OptionGroup
 
 Iostats_version = '0.2'
@@ -350,16 +352,19 @@
             rtt_per_op = 0.0
             exe_per_op = 0.0
 
-        op += ':'
-        print '%s' % op.lower().ljust(15),
-        print '  ops/s\t\t   kB/s\t\t  kB/op\t\tretrans\t\tavg RTT (ms)\tavg exe (ms)'
-
-        print '\t\t%7.3f' % (ops / sample_time),
-        print '\t%7.3f' % (kilobytes / sample_time),
-        print '\t%7.3f' % kb_per_op,
-        print ' %7d (%3.1f%%)' % (retrans, retrans_percent),
-        print '\t%7.3f' % rtt_per_op,
-        print '\t%7.3f' % exe_per_op
+
+	rw = op.lower().ljust(15).strip()
+	seconds = datetime.now().strftime("%s")
+	hostname = socket.getfqdn().replace(".","_")
+        export = self.__nfs_data['mountpoint'].replace("/","_")
+	prefix = 'servers.%s.nfsiostat.%s.%s' % (hostname, export, rw)
+
+	print '%s.ops %7.3f %s' % (prefix, ops / sample_time, seconds)
+	print '%s.kb %7.3f %s' % (prefix, kilobytes / sample_time, seconds)
+	print '%s.kbperop %7.3f %s' % (prefix, kb_per_op, seconds)
+	print '%s.retrans %7d %s' % (prefix, retrans, seconds)
+	print '%s.rtt %7.3f %s' % (prefix, rtt_per_op, seconds)
+	print '%s.exe %7.3f %s' % (prefix, exe_per_op, seconds)
 
     def ops(self, sample_time):
         sends = float(self.__rpc_data['rpcsends'])
@@ -384,14 +389,13 @@
         else:
             backlog = 0.0
 
-        print
-        print '%s mounted on %s:' % \
-            (self.__nfs_data['export'], self.__nfs_data['mountpoint'])
-        print
 
-        print '   op/s\t\trpc bklog'
-        print '%7.2f' % (sends / sample_time), 
-        print '\t%7.2f' % backlog
+	seconds = datetime.now().strftime("%s")
+	hostname = socket.getfqdn().replace(".","_")
+        export = self.__nfs_data['mountpoint'].replace("/","_")
+	prefix = 'servers.%s.nfsiostat.%s' % (hostname, export)
+	print '%s.ops %7.2f %s' % (prefix, sends / sample_time, seconds)
+	print '%s.backlog %7.2f %s' % (prefix, backlog, seconds)
 
         if which == 0:
             self.__print_rpc_op_stats('READ', sample_time)