hi, i have 2xSE9900. one for the Production (prod) and one for Development (dev), few clustered DB servers (some inter domain and some normal clustered) which total more than 5. the servers are running different Solaris versions, VXVM versions but all using Sun cluster. for the next phase of implementation the number of DB servers gonna increase. i tot of moving DEV SE9900 to DR site and replace the current DEV data inside the lower end storage box. i have few vendors coming in. appliance-based, host-based and storage-based replication. i dont want appliance-based. so my options is whether host-based or storage-based. host-based needs all the servers to be installed with the same versions. the storage-based requires the DEV SE9900 to be migrated to DR site. from your pro experience, which one is better? easier to implement, manage and operate? the money and bandwidth is not an issue. the data is about 11TB.
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