Paul Cotter wrote:
> [OT] - but...
I disagree somewhat about OT; I see your point but, I want to use this
class specifically in mod_perl handlers. Also, clustered servers are
definitely on topic, I think.
> Do not throw out database replication as a solution.
I remember a previous discussion
Wouldn't it be easier to just buy an external RAID enclosure with dual
scsi ports, and connect it both machines to the same disk
backend? Your replication problem goes away, and you have half as
many disks available for failure.
Some models even allow for connection among three or more machi
[OT] - but...
Do not throw out database replication as a solution. Trying to maintain
synchronicity across multiple databases is not a trivial task. You have to
cope with single point failure at the transaction level, (eg the server
'one' update works, but server 'two' fails) clashes (same recor
> I'm trying to address 2 issues:
>
> A. Avoiding a single point of failure associated with a
>having a central repository for the data, such as a NFS
>share or a single database server.
> B. Avoiding the overhead from using heavyweight tools like
>database replication.
>
> So I've bee