On Sat, 2003-08-09 at 03:19, Alvin Oga wrote: > hi ya > > On Sat, 9 Aug 2003, Nyc0n wrote: > > > What is a linux cluster and what does it do? I have 3 linux servers that > > I could cluster together, but what is the benefit? What would I actually > > gain by clustering? I mean technically speaking they are in a cluster > > right now, they are clustered all over my room..lol > > you have "ha" clusters and "compute" clusters [snip] > - ha cluster -- if one machine fails, the remaining servers can take > over and nobody will notice the dead "www" server > - you can do the same with a good backup scheme but if a system > dies, you have to change a backup machine called "www.backup" to > become the new "www machine" to make it go live after a failure > ( can be good or bad to do things manually .. pov ... )
That's so limiting. A Real Cluster[1] will allow all nodes to access all files at the same time. Linux/Unix has no transparent way to do this, except, partially, GFS and OpenGFS. [1] Yes, I use VMSclusters on a daily basis. Very useful, totally transparent, extremely expensive... -- +---------------------------------------------------------------+ | Ron Johnson, Jr. Home: [EMAIL PROTECTED] | | Jefferson, LA USA | | | | "Man, I'm pretty. Hoo Hah!" | | Johnny Bravo | +---------------------------------------------------------------+ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
