NFS Buffering

[JB]

Simon Andrews <simon.andrews <at> bbsrc.ac.uk> writes:

> ... 
> >
> >> It looks like the nfs daemon is caching write data (around 2GB of it)
> >> which lets scp think its finished when actually there's loads of data
> >> sitting in a write buffer.  The hanging is presumably the time it takes
> >> to flush the buffer (there is a process called nfsiod which is active
> >> during this time and df shows data is still being written).
> > ...
> ...  
> $ ps aux | grep -i nfsiod
> root      8974  0.0  0.0  0  0 ? S Sep27 0:15 [nfsiod]
> 
> Where the parent process is kthread.
> 
> Simon.

This is from HP Tru64 UNIX.
$ man 8 nfsiod
http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51_HTML/MAN/MAN8/0043____.HTM

JB