Linux HA solution
 

I have two live linux sever , they run different application , have different IP address & different user a/c , both of them connect to the SAN server with Fibra channel , the hardware has already been setup and works fine , the SAN has clustering function that mean the database is physically located at SAN (different path) , both servers can access all these database . We have windows DNS server to resolve the host name , so user can connect the specific server with the host name .

Now , I would like to setup the HA solution , what I would like is when one of server is broken then another server can take up the responsibility , allow user to login .

My question is when a server is broken , how it can automatically re-direct the user from broken server to another server ? Do I need to setup LDAP ? Do I need to do something in DNS server ?

Can anyone advise what I need to do

Thx in advance.

Hi

Maybe take a look at drbd?

http://www.drbd.org/

Since you already have a SAN server, I guess you don't need a drbd device, but the site has lots of useful links, like:

http://linux-ha.org/

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