Storage Management Strategies for the CIOFAQs:Disk Hardware FAQ
Frequently asked questions-Disk Hardware FAQ
Check out Greg's answers to these disk hardware questions or download them as an MP3 file and take them with you on the go.
Disk hardware best practices:
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Why do enterprise storage arrays cost so much when hard drives are so cheap?
FAQ - Why the cost of an enterprise storage array costs so much more than the hard drives inside it.
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What advice do you have for long-term storage of disk drives and other media?
FAQ - It's important to use the best practices recommended by your media manufacturer. For example...
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What's the difference between flash memory and conventional RAM?
(presented by SearchSolidStateStorage.com)
FAQ - Even though vendors refer to flash memory and conventional RAM -- the "main memory" of your PC or server -- as solid-state memory, these two memory types are very different.
Disk hardware introduction:
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Are SAS disks a good investment?
FAQ - In the near term, SAS won't make much of a dent in the high-end Fibre Channel drive market, but SAS may displace Fibre Channel deployments in the mid- and entry-market price bands.
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What are the most important new disk drive technologies?
FAQ - The first 1 terabyte hard disk drives have appeared. What will be the impact of hard disk drive technologies such as perpendicular recording, 2.5-inch high-performance drives, secure erase, encryption and hybrid technology drives?
Disk hardware technological considerations:
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Is RAID in general an obsolete technology today?
FAQ - This is a technology that is so commonly used, so transparent, that we really don't even think about it...
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What are the pros and cons of RAID-6? What is RAID-DP?
FAQ - Generally speaking, dual-parity RAID (RAID-DP) is a proprietary, vendor specific implementation of dual parity...
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How are demands for drive power changing?
FAQ - Each new generation of drives offers better capacity and performance but is generally using less power -- at spin-up as well as during normal operation.