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In-depth technology research: finding new ways to recover data, accessing firmware, writing programs, reading bits off the platter, recovering data from dust.

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Please do not post questions about data recovery cases here (use this forum instead). This forum is for topics on finding new ways to recover data. Accessing firmware, writing programs, reading bits off the platter, recovering data from dust...
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Abrapt power interuption - head parking

May 18th, 2009, 8:05

Since you guys make the disk nuts and bolts could you explain how the todays hard disk deal with the power interruption and the head stack parking?

Are they parked securely or not?

Eleana

Re: Abrapt power interuption - head parking

May 18th, 2009, 13:58

Spildit, you are partially right.

The drive can safely take out the heads, using the spinning platter's mechanical power, if the main power is down.
The only true is, if the main power is down during write cycle, the data may be will damaged.

;)

Janos

Re: Abrapt power interuption - head parking

May 18th, 2009, 14:32

Yes, this is correct.
If the external drive is "safe removed", than it is safe to turn of any time.

Janos

Re: Abrapt power interuption - head parking

May 19th, 2009, 0:15

I have other balls that are telling me that these drives are delivering neverending problems...
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