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Newsgroups: comp.unix.bsd.freebsd.misc Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nexus.coast.net!news.kei.com!news.mathworks.com!europa.chnt.gtegsc.com!howland.reston.ans.net!agate!tfs.com!mailhub.tfs.com!julian From: julian@mailhub.tfs.com (Julian Elischer) Subject: Re: NFS FreeBSD => HP-UX Message-ID: <DAn8Lw.Jow@tfs.com> Sender: usenet@tfs.com (Mr. News) Organization: TRW Financial Systems, Oakland, CA References: <3s6rj6$dd1@gwdu19.gwdg.de> <3s9t3q$c38@canyon.sr.hp.com> Date: Fri, 23 Jun 1995 20:51:31 GMT Lines: 50 In article <3s9t3q$c38@canyon.sr.hp.com>, Darryl Okahata <darrylo@sr.hp.com> wrote: >Stephan Trebels (strebel2@rihm.mpibpc.gwdg.de) wrote: > >> I do have Problems using our NFS Server (HP-UX 9.05) >> with the one experimental FreeBSD Client. It locks up >> after a definite amount of transfer (using tar on a >> mounted filesys, it stops at the same file). > > I don't know if this will help you, but did you read the file >"/usr/share/FAQ/Text/nfs.FAQ"? Here's an excerpt from the beginning: > >------------------------------------------------------------------------------- >FreeBSD and NFS [for a FAQ] > >$Id: nfs.FAQ,v 1.1 1995/03/21 20:19:34 jkh Exp $ > >Certain Ethernet adapters for ISA PC systems have limitations which >can lead to serious network problems, particularly with NFS. This >difficulty is not specific to FreeBSD, but FreeBSD systems are affected >by it. > >The problem nearly always occurs when (FreeBSD) PC systems are networked >with high-performance workstations, such as those made by Silicon Graphics, >Inc., and Sun Microsystems, Inc. The NFS mount will work fine, and some >operations may succeed, but suddenly the server will seem to become >unresponsive to the client, even though requests to and from other systems >continue to be processed. This happens to the client system, whether the >client is the FreeBSD system or the workstation. On many systems, there is >no way to shut down the client gracefully once this problem has manifested >itself. The only solution is often to reset the client, because the NFS >situation cannot be resolved. He forgets to include the answer, which is to make sure the read and write sizes for the nfs mounts are set to one or two KB rather than the default 8K >------------------------------------------------------------------------------- > > I imagine that the HP system qualifies as an "high-performance >workstation". ;-) > > -- Darryl Okahata > Internet: darrylo@sr.hp.com > >DISCLAIMER: this message is the author's personal opinion and does not >constitute the support, opinion or policy of Hewlett-Packard or of the >little green men that have been following him all day.