Quoting Lars Schimmer <l.schim...@cgv.tugraz.at>:
Simple - Load Balancing. Imagine a cell at three countries hold together
by small ISDN lines - a RO copy local to each faculty and the have fast
access.
Yes, but "In an organization where it is only necessary for an
administrator to
either give users read-write access to volumes, or no access at all,"
what good is that? As far as I can tell, in your scenario the clients
at the two remote sites would have a bias towards reading the (for
them) remote read-write replicas and thus ignore any local read-only
copies.
Of course, you could also try to explain to those users that they
should use one path to read stuff (because it's faster) and another to
write or add new files, but I doubt that would go down very well with
them.
Cheers,
Jaap
PS -- I just thought of one reason why replicas would help, even in my
hypothetical "read-write or nothing" organization above: if one extra
server has read-only copies of everything, the volumes can be backed
up any any time without bothering anybody.
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