Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-25 Thread Shehjar Tikoo
"Brent A Nelson" To: gluster-users@gluster.org Sent: Thursday, October 21, 2010 8:18:02 AM Subject: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1 I see that the built-in NFS support registers mountd in portmap only with tcp and not udp. While this makes sense

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Craig Carl
l" Cc: gluster-users@gluster.org Sent: Friday, October 22, 2010 8:48:55 AM Subject: Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1 Alas, that does not work on Solaris 2.6 or 7. Solaris 7 was apparently the first to support the WebNFS URL syntax, but it otherwise h

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Brent A Nelson
s@gluster.org Sent: Thursday, October 21, 2010 8:18:02 AM Subject: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1 I see that the built-in NFS support registers mountd in portmap only with tcp and not udp. While this makes sense for a TCP-only NFS implementation, it does cause

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Beat Rubischon
Hi Stephan! Quoting (22.10.10 15:47): > you are talking of the problem with identification field being only 16 bit, > right? Right. I had some pretty bad experience ~2006 before I switched to TCP. > We experienced this scenario to be far less severe than TCP busted by packet > drops. In fact w

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Stephan von Krawczynski
On Fri, 22 Oct 2010 15:18:09 +0200 Beat Rubischon wrote: > Hi Stephan! > > Quoting (22.10.10 15:05): > > > We never experienced any performance problem with NFS over UDP. > > Be careful when using NFSoUDP on recent networking hardware. It's simply too > fast for the primitive reassembly algor

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Beat Rubischon
Hi Stephan! Quoting (22.10.10 15:05): > We never experienced any performance problem with NFS over UDP. Be careful when using NFSoUDP on recent networking hardware. It's simply too fast for the primitive reassembly algorithm in UDP. You will get silent data corruption. SuSE warns about this fa

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Craig Carl
t;Brent A Nelson" , gluster-users@gluster.org Sent: Friday, October 22, 2010 6:05:02 AM Subject: Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1 On Fri, 22 Oct 2010 04:46:44 -0500 (CDT) Craig Carl wrote: > {Resending due to incomplete response] > > Brent

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Stephan von Krawczynski
ig Carl > Senior Systems Engineer > Gluster > > > From: "Brent A Nelson" > To: gluster-users@gluster.org > Sent: Thursday, October 21, 2010 8:18:02 AM > Subject: [Gluster-users] Some client problems with TCP-only NFS in Gluster > 3.1 > > I see that

Re: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-22 Thread Craig Carl
ot;Brent A Nelson" To: gluster-users@gluster.org Sent: Thursday, October 21, 2010 8:18:02 AM Subject: [Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1 I see that the built-in NFS support registers mountd in portmap only with tcp and not udp. While this makes sense f

[Gluster-users] Some client problems with TCP-only NFS in Gluster 3.1

2010-10-21 Thread Brent A Nelson
I see that the built-in NFS support registers mountd in portmap only with tcp and not udp. While this makes sense for a TCP-only NFS implementation, it does cause problems for some clients: Ubuntu 10.04 and 7.04 mount just fine. Ubuntu 8.04 gives "requested NFS version or transport protocol i