Customers SAN had grown rapidly and was exhibiting performance problems at certain times on certain days and the customer lacked the ability to pinpoint the problem areas, let alone resolve them.
The online company was paying penalties for intermittent delayed/failed online customer transactions. They had previously reported these issues to their server, storage and switch suppliers and were expecting them to provide a permanent fix.
The customer used two data centres for its main operations that were in two separate buildings but were only metres apart in the centre of London. For disaster recovery best practices they decided to move one of the data centres to a location that was many miles away from London.