one could probably cobble something together with DRDB and ha-proxy I imagine. There would still be some initial outlay for hardware, but it would be commodity hardware as opposed to SAN or a NAS appliance.
On Thu, May 14, 2009 at 7:45 AM, Andrew Hall <[email protected]>wrote: > Hi there. > > I wonder if I could get your opinions on the following as a cheap HA > solution - as opposed to a shared disk and some form of networked file > system: > > N.B. The terms "master" and "slave" are used with reference to HA. > > 1. The master rsyncs its /usr/local/nagios directory with the slave > after every reload. > > 2. The slave runs as a MySQL replicating database. > > Simple, right ? > > This way both the filesystem and database stay in sync without having > to share a disk. > > Problems I see: > > 1. Do the files under /usr/local/nagios only change during a reload of > the master or do other processes - cron jobs perhaps - also affect > these files ? > > If so then I guess we could just schedule an rsync of the directory > every 5 mins between master and slave but this isn't ideal. > > Can anyone forsee other problems / solutions ? > > Thanks very much. > _______________________________________________ > Opsview-users mailing list > [email protected] > http://lists.opsview.org/listinfo/opsview-users > -- Ben Lutgens Linux / Unix System Administror Three of your friends throw up after eating chicken salad. Do you think: "I should find more robust friends" or "we should check that refrigerator"? -- Donald Becker, on vortex-bug, suspecting a network-wide problem
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