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Access "Five rules to help you build a storage strategy"

Published: 17 Oct 2012

In 1965, Gordon Moore of Intel Corp. noticed that the density of transistors on integrated circuits was doubling approximately every two years. In the 1980s, Robert Metcalfe of 3Com Corp. noted that the value of a network increases exponentially as more people use it. Let's take a stab at defining a few axioms for storage. 1. Density increases, but unit price stays constant Prices tend to remain constant from generation to generation, but functionality increases with time. The average cost of capacity drops as density increases. The price of a specific disk drive model or tape cartridge starts high, and then eventually drops. But the next generation comes in at the same high initial unit cost. Enterprise disk drives usually start at about $1,300, and then drop below $400 as they are phased out. Tape media starts at $200 and falls to $50. Consumer disk drives usually start near $500 and fall off the shelves at $80 (before rebates). 2. Backup tapes are three times larger than disks Enterprise tape and disk units maintain a rough ratio of capacity of ... Access >>>

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