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Storage forum

General discussion

Serial ATA

by clhart23 / January 23, 2006 4:11 AM PST

Can you run just one serial HDD, or must you use two and set up raid?

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Not quite understanding but here's some answers
by Steven Haninger / January 23, 2006 9:40 AM PST
In reply to: Serial ATA

RAID, by definition, requires multiple drives. The minimum is 2. The two most common configurations are RAID 0 and RAID 1. RAID 0 (zero) is used to improve performance by adding more heads to the array to write and retrieve data. It's the same as your using both hands for a task as opposed to one. RAID 1 is also called "mirroring". Two drives have the same data written to both with the idea that, if one drive fails, the other still holds the data.

SATA drives each have their own cable which connects to the interface. IDE can connect 2 drives on each channel. SATA RAID will use two channels on your MB or add in card. IDE RAID can connect 2 drives to each channel. Other RAID array configurations exit as well.

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you can run one at a time
by hickman71 / January 24, 2006 12:25 AM PST
In reply to: Serial ATA


You can run one SATA drive, just like you would an IDE drive. The main differnce is that up to IDE drives can be one one channel (one as a primary and the second as a secondary) while SATA allows only one drive per channel. The big upside to this is that SATA drives don't require jumpers like the IDE devices do.



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