redundancy with NDOutils

Mark Wagner markwag at u.washington.edu
Fri Nov 16 19:34:09 CET 2007


Currently, to implement redundant redundant "master" servers (i.e.,
those that accept passive checks and serve the web front-end) I have
NCSA send to both masters.

This works OK except there are certain pieces of information that don't get
sent to both servers. For example, if somebody enters a log entry on the current
master it doesn't show up on the standby master. If somebody acks a
problem on the current master and then the standby master takes over the standby
will send out notifications.

There is no way (without NDO) to have the current master to automatically forward
the ACK to the standby master. Perhaps NDO is the way to solve this? Would feeding
the log from the current master to the standby master work?

-- 
Mark Wagner <markwag at u.washington.edu>
System Administrator, UW Medicine IT Services
206-616-6119

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