NFS, Samba & Kernel tuning

[Bradley Marshall <bmarshal@PIsoftware.com>]

Hi,

Below are some useful links for kernel and nfs tuning.  We should try
some of these when we have some spare hardware.

   http://nfs.sourceforge.net/nfs-howto/performance.html
   http://linuxperf.nl.linux.org/
      http://linuxperf.nl.linux.org/general/kerneltuning.html
      http://linuxperf.nl.linux.org/fileserving/
   http://www.tunelinux.com/
   http://www.citi.umich.edu/projects/nfs-perf/patches/
   http://people.redhat.com/alikins/system_tuning.html
   http://k12linux.mesd.k12.or.us/using_samba/appb_02.html

Benchmark tools
   Bonnie (http://www.textuality.com/bonnie/)
   Bonnie++ (http://www.coker.com.au/bonnie++/)
   Dbench (ftp://ftp.samba.org/pub/tridge/dbench/)
   Tiobench (http://sourceforge.net/projects/tiobench)
   Dt (http://www.bit-net.com/~rmiller/dt.html)

Specifically, we might want to try:
   Tag command queuing on morris' scsi card
   Increasing the amount of memory associated with socket buffers
      (check nfs performance tuning page for details)
   Ensure the clients are mounting with rsize and wsize of 8192
   Experiment with increasing the number of nfsd threads running
   Check nfsstat to see how nfs is performing
   Look into tcp performance tuning
   Consider NFSv3 or NFSv4
   Have a better file system (w/ journalling?)

Thanks,
Brad
-- 
+=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-+
|Brad Marshall                    |           Plugged In Software|
|Senior Systems Administrator     |     http://www.pisoftware.com|
|mailto:bmarshal@pisoftware.com   |  GPG Key Id: 47951BD0 / 1024b|
+-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=+
 Fingerprint:  BAE3 4794 E627 2EAF 7EC0  4763 7884 4BE8 4795 1BD0