NFS defaults for read/write blocksize....(Was: Re: 5.4/amd64 console hang)

[Claus Guttesen]

> >>By the way, I'm thinking that more frequently hang might related with
> >>large read/write block in mount_nfs -r/-w (I use 8192, original is 1024).
> >
> >
> > That's certainly possible since non-default settings don't get as much
> > testing.  It would be good to get a traceback.
> 
> Has it even been considered to up these values to something bigger??

Read- and write-size of 32768 seems to work optimal for me:

nfssrv:/nfsmnt  /localsrv/nfsmnt   nfs   
rw,tcp,intr,nfsv3,-w=32768,-r=32768   0    0

Nfs-server is an i386 and clients are i386 and amd64.

regards
Claus