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Thread: What cuases bad sectors to start and spread rapidly?

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a few days ago (i think thursday or friday morning). checked disk , said healthy, , notice said had bad sectors on it. kept eye on it, , notice gains @ least few hundred day, since thursday or friday, has on 22,000 bad sectors.

when used boot up, noticed error (haven't seen it, since did updates on friday). said can't find disk diuu or that. 4 letters uu @ end. computer sill boot fine though, pop (and still do\0 of system error.

have not had happen before. laptop less year old. hdd 1.5tb.

here screenshot:
http://i41.tinypic.com/34nl2bp.png

~ lexi

hard drives can , fail time, after few days or weeks of operation, after many long years of service. reason fail @ different times due imperfections in manufacturing process: drives more "defective" others coming out door, though they've met manufacturer's tests.

also, drives used differently different users. calendar time doesn't mean lot in terms of hard drive life. matters more how long use , how. if computer on 24/7 , being heavily used much, that's worse drive 1 used once month hour make backup. people can abuse drives moving computer or drive while still in use.

once surface of drive experiences failure, not surprised see problems spread rapidly.

assume every hard drive using fail without warning, keep backups of important on @ least 2 separate devices. sent 2tb western digital drive under year old because of few bad sectors (may potentially have been due bad power supply wasn't taking chances).

in case, looks have 66 reallocated sectors. reallocated sectors sectors replaced spares on drive, drive has number of spares. when enough sectors fail, you'll run out of spares , drive junk. no drive i'm aware of has 22,000 spare sectors - that's anomaly in report think.

i'd still plan replace drive first backup asap if haven't already. if still under warranty, after make backup send manufacturer replacement.


Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Hardware [ubuntu] What cuases bad sectors to start and spread rapidly?


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