[CentOS] Load Balancing
fabian.arrotin at arrfab.net
Tue May 23 20:26:24 UTC 2006
On Tue, 2006-05-23 at 12:49 -0700, Dan Trainor wrote:
> >For the backend storage, it depends what's your budget ... :o)
> >A minimal setup is to use nfs on a central server to host/share the same
> >data across all your machines ... the problem in this config is that the
> >nfs server becomes the single point of failure ... so why not using a
> >simple heartbeat solution for 2 nfs servers acting as one and uses drdb
> >between these 2 nodes for the replication ...
> >Other method is to have a dedicate san with hba in each webservers but
> >that's another budget ... :o)
> >Just my two cents ...
> HI, Fabian -
> I've been toying aroudn with both NFS and GFS, but NFS does leave me
> with a single point of failure. I'd rather not use something like drdb,
> however. I'm still researching GFS to see if it's a viable alternative
> for what I'm looking for.
GFS can do the job, but in this case you should have a real shared
storage to permit all the servers to access the shared data in the same
If you don't want to invest a lot, you can still use iscsi but the
single point of failure still exists ...
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