[OpenAFS] What happens when...

Derek Atkins warlord@MIT.EDU
05 Dec 2001 11:54:01 -0500

Corey Kovacs <ckovacs@DEPAUW.EDU> writes:

> Can someone explain, or point me to the right docs to answer the
> following
> question?
> Client "A" has a file "file.txt" cached, and client "B" also has acached
> copy of the
> file.  User A1 opens the file as does user B1. Now A1 makes a change and
> saves, or
> closes the altogether.
> How does the cached manager handle this?

The CM on client B will notice that there is a new file (the file
changed from under it).  If you are using an editor like emacs, it
will notice that the file changed on disk and warn the user).

> It seems that the last person the write the file wins, but I wanted to
> make sure.

This is indeed how it works.

> Corey

       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord@MIT.EDU                        PGP key available