The only other point I should make is that all machines in dependant on each other since each component is required in order to make up the site. So, if MySQL servers/cluster goes down, nothing else works anyhow. Good point of your part of course. Mike > at the beginning of our planning we also think so , but when you have a > Cluster problem ( like now, the rgmanager in RHEL4 u4 ) then the hole > cluster have problem and maybe crash or freeze. I would recommend you, > NOT to make only one Cluster. > Mike > > -----Original Message----- > From: linux-cluster-bounces@xxxxxxxxxx > [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of > isplist@xxxxxxxxxxxx > Sent: Sonntag, 1. April 2007 19:58 > To: linux-cluster > Subject: When to use more than one cluster? > > Currently, all nodes, no matter what they are doing are all part of one > single cluster. So, even though they aren't sharing services or storage, > they are all part of the same cluster. > > I could have one cluster for web servers and their storage, one for mail > servers, one cluster for sql servers, etc. > > Am I complicating things for myself by having one single cluster. Which > would be best in my case, multiple clusters or one single cluster? > > I do see this as an easier method by which to grow in the future and > right now, things get complex when it comes to turning certain servers > on and off, changing the count of servers thereby sometimes causing the > cluster not to boot until I change the config file. > > Any thoughts or input would be very appreciated and I'm sure be of help > to some others as well. > > Thanks. > > Mike -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
