Post by Alan Stevens (thank you)
As virtualisation technology spreads through the datacentre, the race is on to develop ways of sharing out data to virtual servers and desktops in large numbers.
For years, servers and storage more or less managed to keep pace with each other. As faster processors appeared disks got bigger and quicker, and new ways of sharing storage were developed, such as Network Attached Storage (NAS) and Storage Area Networks (SANs). Then virtualisation arrived, followed by the cloud. This caused a once-amicable relationship to break down as hundreds, if not thousands, of virtual machines began to compete for the same storage resources.
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