Re: ASM and 4-way replication?

MarcelD wrote:
> I need to build a high availabilty database solution.
> The plan is to build a two node failover cluster, the two nodes beeing
> in different buildings. There will be two disk-cabinets also, one in
> each building.
> The requirement is as follows: if the node or the storage in one
> building completely fail,
> we need to be able to be up again within 10 minutes, and without data
> loss.
> I'm checking the possibility to run such a setup without a SAN, just
> using Oracle ClusterWare
> and ASM.
> OS is RedHat Linux, disks are fibre disks attached via switches to two
> hba's on each node.
> I know I can set the data-filegroup up with normal redundancy, which
> would fulfill the requirements.
> But then, if one storage location fails, I'm running on only one copy
> of the data. Therefore I would like to have two copies of each datafile
> in each building.
> Can this be done whithout using a SAN?
> Thanks for any input on this.

Oracle dataguard could be setup to do this. Received on Wed Nov 08 2006 - 08:42:30 CST