[ZODB-Dev] ZODB replication and high-availability across data centers

[Alan Runyan]

> we are currently investigating options for a large-scale solution
> where the machines (ZEO clients and ZEO server) should be separated
> across two data centers. Incoming traffic should be balanced between
> both data centers. Automatic failover and online-replication are
> desirable - "high-performance" is a must.
>
> The well-known options are:
>
> ZRS
> (ZEO)
> Relstorage on top of some RDBMS-related clustering/replication mechanism
> NEO
> DRDB
> ZEORaid

We have not explicitly set something like this up; although our hosting
partner has SAN replication between data centers.  This is another
solution; while low level - may be valid to explore.  They use
it with Oracle and MSSQLServer to do cross datacenter replication.

cheers
alan