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Vol. 3 No. 4 June 2004

Five rules to help you build a storage strategy

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 ...

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Features in this issue

  • NAS on a grand scale

    by  Stephen Foskett

    Do you want to rid yourself of a backup window or two? Continuous backup--also know as continuous data protection--is changing the rules by backing up in real time, or close to it.

  • Down-to-earth HBAs

    Finally, there's an HBA for everyone. Vendors are creating HBAs that are functional and affordable, even for smaller shops.

  • Exchange and NAS On Again

    Microsoft has revised its "No Exchange on NAS" policy to "No Exchange on non-Microsoft NAS."

  • Storage on demand

    Tired of overbuying, overconfiguring or overallocating storage? Utility storage--used in a similiar fashion as electricity or water in your home--may be the answer to your prayers.

  • Continuous protection

    by  James Damoulakis

    Do you want to rid yourself of a backup window or two? Continuous backup--also know as continuous data protection--is changing the rules by backing up in real time, or close to it.

Columns in this issue

SearchSolidStateStorage

SearchVirtualStorage

SearchCloudStorage

SearchDisasterRecovery

SearchDataBackup

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