1)
I encountered some problems on HP-UX, with writing files on the psion.
The problem is that the kernel and each of the biod's are trying to
send the nfs packets, in order to get a better performance. If the file
is bigger than 3 times BLOCKSIZE, I receive following blocks:

1. the last one
2. the first one
3. the second one
Here comes a timeout of about 1 minute, I'd like to know why.
4. ... (the remaining blocks)

Since the psion doesn't support writes behind the end of the file, I drop
blocks not yet written to the psion (with a warning message) after a timeout
of currently 2 seconds.
A block is written to the psion if it's possible, i.e if it is not beyond
the end of the file.
A workaround for this is to kill all biods :-( -> reads from other nfs
servers is possibly slower.

2)
The sun (psion?) can't handle correctly flow control: if writing to flash
ssd (I don't have one myself yet :-), or the psion is busy otherwise, the
write can fail -> you have to restart the nfsc + whole write.

3)
On linux the top mountpoint may eventually show a subdirectory instead of the 
devices. Strange. 

4)
The window server lowers priority of the opl program when it is iconified.

5)
etc/mtab can become unreadable if the umask of p3nfsd is wrong. This is
currently fixed for Solaris only. gec

6) WARNING
When trying to umount /psion/mnt under Solaris 2.3 you will get something
like:     nfs umount: psion:/ server not responding: RPC: Name to address
          translation failed - n2a: hostname not found
Remember to kill p3nfsd afterwards.  An mtab-entry under Solaris looks like:
ktik0:/var/spool/mail   /var/spool/mail nfs     rw,dev=21c0005 782059425
Does anybody know what 'dev' is supposed to be? Mail:caronni@tik.ethz.ch

