Cluster across several sites (SAN)

I was wondering if it is possible to have a single virtual HA environment, spread over two sites?

We are looking to install two ESX servers in one building and two in another. We already have fiber connections between sites. We would like to have a unique virtual environment with VMotion, etc, I'm not sure if SAN technology is available which will provide a unique storage on two sites volume?

The last SAN, I worked with had a 7 min cycle between the sites, so a single cluster replication was not an option.

Any advice would be much appreciated.

MRX.

Hello

With 15KM you just might be able to consider using synchronous replication. Data loss = 0 in this case. However, the delay in the 15-KM line is significant (if we consider that each entry must go the line twice, before writing is actually finished on two tables).

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