NFS problems with RH 9

Venkatesh Nagarajan venkat at evafunds.com
Wed Aug 20 14:00:00 CDT 2003


Thanks for your reply. 
 
Yes. I think my solaris is up to date. Did you have any specfic patch number in mind? 
 
Thanks again. 
Venkat

	-----Original Message----- 
	From: Hoffmann, Tony [mailto:Tony.Hoffmann at nrc-cnrc.gc.ca] 
	Sent: Tue 8/19/2003 10:57 AM 
	To: Venkatesh Nagarajan; linux-poweredge at dell.com 
	Cc: 
	Subject: RE: NFS problems with RH 9
	
	

	Are the patches on your Solaris machine up to date.   There are issues
	with solaris client->linux server which require solaris nfs patches.
	
	-----Original Message-----
	From: Seth Mos [mailto:knuffie at xs4all.nl]
	Sent: Tuesday, August 19, 2003 12:09 AM
	To: Venkatesh Nagarajan; linux-poweredge at dell.com
	Subject: Re: NFS problems with RH 9
	
	
	At 07:21 18-8-2003 -0700, Venkatesh Nagarajan wrote:
	>Hi
	>
	>I have imported this disk on a solaris 6 machine. When I invoke the copy
	>on the linux disk from solaris the performance is horrible. I get
	>something in the order of 2K/sec.
	
	Make sure that the network cable is OK. NFS uses udp traffic instead of
	tcp. TCP traffic copes well with bad cabling while udp starts behaving
	erratic and will quickly reduce nfs traffic upto around 1Mbit or so.
	
	Make sure with ifconfig (on both hosts) that you are not losing packets.
	Also check if the switch isn't behaving weird.
	
	Furthermore you can increase the networkbuffer  size as listed in the NFS
	Howto. Newer kernels (2.4.19+) do this automatically.
	
	You can experiment with the wsize and rsize settings as well as trying the
	mount with nfsv3. Although I believe this is problematic between a linux
	and a solaris host in some combinations.
	
	Cheers
	
	--
	Seth
	It might just be your lucky day, if you only knew.
	
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