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Disk hardware technological considerations


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How are demands for drive power changing?
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.

How can I minimize disk vibration?
Any disk drive produces some level of vibration, and that vibration can then be carried to other drives through the physical drive trays or frames in an array.

What's the relationship between storage capacity, storage utilization and storage performance?
There's a lot of focus on storage capacity rather than storage performance. One of the marketing pitches behind storage virtualization is to increase storage utilization so that you don't need to buy so many drives.

Is RAID in general an obsolete technology today?
This is a technology that is so commonly used, so transparent, that we really don't even think about it...

What are the pros and cons of RAID-6? What is RAID-DP?
Generally speaking, dual-parity RAID (RAID-DP) is a proprietary, vendor specific implementation of dual parity...

What are SAS, SATA, Fibre Channel and FATA disk drives? When will there be an iSCSI disk drive?
Well, with the right marketing and packaging, we could say there's already an iSCSI disk drive today...


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Disk Hardware FAQ

Frequently asked questions

Disk hardware technological considerations