Encapsulating Locked File Appends

[BCS]

Reply to Andrei,

> NFS is as non-deterministic as it gets when it comes about concurrent
> writes. There is next to no guarantee. The append problem is an
> absolute classic on NFS. I tried about five different schemes, all
> failed under mysterious circumstances. What I do now and suggest you
> do too is to have each different process create its own file. After
> all processes have ended, have a master process assemble all small
> files into one. It's really the only thing I got to work.
> 
> Andrei
> 

IIRC there is a lockd process on most NFS systems. I think it does something 
for this issue but I don't know what.