PC Ekspert Forum - disk might fail?

kupih novi disk nedavno (SEAGATE 300gb sataII).
i jednom prilikom kad sam presnimio masu podataka sa externog diska na taj novi, windoze (vista 64bit) su nedugo zatim pocele javljat critical error

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Windows Disk Diagnostic detected a S.M.A.R.T. fault on disk ST3320620AS ATA Device (volumes C:\). This disk might fail; back up your computer now. All data on the hard disk, including files, documents, pictures, programs, and settings might be lost if your hard disk fails. To determine if the hard disk needs to be repaired or replaced, contact the manufacturer of your computer. If you can't back up (for example, you have no CDs or other backup media), you should shut down your computer and restart when you have backup media available. In the meantime, do not save any critical files to this disk.

buduci da je disk nastavio raditi kako treba (osim sto se tu i tamo pojavljivao zvuk*) stavio sam sam na ignore.
prije par dana nakon instalacije nekog malo veceg softwera. zvuk* je postao ucestaliji (kad obavlja neku radnju valjda)

uglavnom pogledao sam malo detaljnije u mmc>computer management critical error ima event ID -> 1. source: disk diagnostic.

isjecak iz xml view-a:

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1
0
1
0
0

to bi mozda moglo znacit S.M.A.R.T. atribut ID -1 level -1 (manje je bolje)
prema clanku na wikipediji.

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Indicates the rate of hardware read errors that occurred when reading data from a disk surface. Any number indicates a problem with either disk surface or read/write heads.

i sad pitanje : trebam li mjenjat disk i jel uopce mjenjaju diskove za takve stvari?

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* zvuk kao da nesto lupa po tankoj limenoj povrsini, tipa "tik!" :-)