On Feb 13, 2010, at 4:09 PM, Jason Brown wrote:
Heres an interesting twist for you. I have an external box that is
hooked up via USB. It can also do eSATA, however it is not hooked up
via that interface at present. I have been told time and time again
that you cannot read SMART data over USB. I can with this drive box.
It is a NexStar 3 by Vantec. I was also able to configure advanced
drive parameters such as disabling the acoustic management. It
stored this information through a complete power down as well.
As for Disk Utility reporting a healthy drive. It makes that report
based on the SMART reporting feature of that drive. That only
generally gets tripped if it is in impending doom, but is not always
reliable. Don't trust that reading on anything critical. I have seen
drives that are totally healthy via the SMART report die instantly
with no warning. I have also seen drives that were indicated as
impending failure that are still running after 4 or 5 years or more.
Actually, I've only seen the statement "SMART is impossible" applied
to Firewire drives, though I probably should've thought to connect my
Minimax up with USB instead of 1394. In any event, I'm going to wipe
the drive and put it through it's paces on the G5. A 7-pass zero out
of a 500GB drive will only take, what, 2-3 weeks?
Eric
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