[ltp] Recommendation for new disk drive

[Igor V. Rafienko]

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on Jul 17, 2009, 11:40, Henrique de Moraes Holschuh wrote:

[ ... ]

> Agreed.  Get a Hitachi if you can, if not, a Seagate is also good. 
> Stay away from data-munchers from Samsung and WD.


What's wrong with WD? (Just curious).

To the OP: In case this has not been mentioned, get a drive with its own 
accelerometer (WD has a few models, so does Seagate (their G series)). 
Failing that, get an HDD that supports UNLOAD_IMMEDIATE (so you can use 
hdaps. E.g. Seagate ST9160821A firmware 3.ALE).


>> 1) Doesn't 7200 rpm mean a higher power consumption?
>
> Yes, but MUCH better performance.


Is it? Skimming through, say, 
<http://www.techarp.com/showarticle.aspx?artno=511> shows that for 
certain benchmarks it's far from obvious whether 7200 or 5400 drive 
would do better (I understand why 7200 intuitively should be faster, but 
I honestly do not see the "MUCH better" part. Am I reading the test 
wrong?)

[ ... ]


> If you get a Hitachi, just remember that they ABSOLUTELY REQUIRE the
> platters to stop at least once every 48H if you want they to last (and this
> is written in their technical datasheet).  If you let the disk sleep when
> idle (not just head parking), that can be enough.  If you turn off the
> laptop often, it is also obviously enough.


Whoa! I did not realize that. Thank you for the info.





ivr
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