Mirroring a server

[jcrowe at cmuonline.net]

On Tue, Jan 27, 2004 at 10:44:57AM -0600, Charles Steinkuehler wrote:
> Jason Crowe wrote:
> >How can I keep the two servers mirrored after they are put into use? I 
> >had planned on using dd after the install. is using cat a better way?
> 
> It sounds like you want a high availability system.  This can get *REAL* 
> complicated, depending on exactly how you define "high availability".
> 
> I suggest you start at the linux-HA site:
> http://www.linux-ha.org/
> 
> ...read the linux-HA HOWTO:
> http://sunsite.unc.edu/pub/Linux/ALPHA/linux-ha/High-Availability-HOWTO.html
> 
> ...and put some serious thought into exactly *HOW* available you really 
> your system to be.  Is a nightly rsync good enough?  Do you really need 
> fully transparent failover, and if so, do you have the budget (not only 
> in $ but in install/configuration/maintainence man-hours & knowledge) to 
> implement it?
> 
I don't really need automatic failover (I don't really want it either). I guess I will use rsync to 
keep them up to date. What kind of hit am i gonna take if i run rsync every 15 minutes or half hour?

Jaosn