-b mounts in the backgroun in case the initial mount fails -I makes the mount interruptable -T makes it use TCP -3 uses NFS version 3
I'm using FreeBSD clients and servers. If you're not seeing performance problems because of it, I wouldn't worry. --Doug On Wed, Sep 17, 2003 at 07:50:36AM +0800, Shao Ming wrote: > Hi ! > > Thanks for the reply. Its good(??) to know that I'm not the only one facing > the problem. ;) > > BTW, what nfs client are you using? The mounting options you provided > doesn't seem to exist on my linux client. > > What does the options below mean? > > -b > -I > -T > -3 > > A search at google reveals similar problem faced by other guys (though > theirs is not qmail/vpopmail based). Most of them attribute it to network > congestion ... Some say the problem goes away when they upgrade their > networking components (switch, nic, cat 5 cables etc ..) > > I will be getting a better dedicated switch and expensive network cables ... > Will let you if that solve my problems. > > Regards, > /sm > > > -----Original Message----- > From: Doug Clements [mailto:[EMAIL PROTECTED] > Sent: Wednesday, September 17, 2003 7:24 AM > To: Shao Ming > Cc: [EMAIL PROTECTED] > > On Tue, Sep 16, 2003 at 01:28:19PM +0800, Shao Ming wrote: > > However, I do get error like these in the system log > > > > kernel: nfs: server x.x.x.x not responding, still trying > > kernel: nfs: server x.x.x.x OK > > kernel: nfs: server x.x.x.x not responding, still trying > > kernel: nfs: server x.x.x.x OK > > kernel: nfs: server x.x.x.x not responding, still trying > > kernel: nfs: server x.x.x.x OK > > kernel: nfs: server x.x.x.x not responding, still trying > > kernel: nfs: server x.x.x.x OK > > > I believe many of you guys out there have experiences on such > > qmail/vpopmail over nfs implementatiopn. Can you guide me on what is > > the best mount options that I should be using? And what values for rsize, > wsize are you all using? > > I get the same thing. I've spent days trying to track it down. It doesn't > seem to cause problems, but it's terribly annoying. > > The mount options I use are rw,-b,-i,-T,-3,-r=8192,-w=8192, but I'm using > jumbo frames so most requests should fit in a single packet. > > --Doug > >
