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Bad Clusters


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#1 OFFLINE   Pippo MArte

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Posted 18 February 2010 - 01:12 AM

Hi

i've just bought two brand new laptops (one fujitsu HDD sata2 WD 320Gb 4200 rpm and one DELL HDD sata2 seagate 320gb 7200 rpm); when i scan the hdd's with defraggler the program shows bad clusters (see attachment) but manufacturer tools (seagate low level DOS and WD) to find and repair errors/bad clusters, find no errors.
What s happening to my hard disks?

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#2 OFFLINE   Ramzy

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Posted 18 February 2010 - 02:50 PM

Get a tool that can read your SMART information, like Speccy, and check what your Re-allocated sector count is. This will show you a figure that relates to the amount of bad / flagged sectors that your hard drive had to evacuate whilst transferring / writing data.

If you're really paranoid, you can try running a full diagnostic with the Western Digital Data Lifeguard Diagnostic tool, or you can run chkdsk on the volume with:

chkdsk letter: /r

example:

chkdsk c: /r

You should get a prompt asking you if you wish to lock handles, if you answer no, you will be prompted with another question asking if you wish to schedule a chkdsk during the next boot. Press Y and restart your computer. Observe the results routinely to see if you have any bad sectors / indexes / clusters being repaired.

Hope that i was useful.

#3 OFFLINE   DennisD

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Posted 18 February 2010 - 10:00 PM

Some information here which may be of use.

http://forum.piriform.com/index.php?showto...st&p=155745

Make sure to read the link in the above post to Romanov's explanation.


EDIT: Welcome to Piriform by the way Pippo.

#4 OFFLINE   Pippo MArte

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Posted 21 February 2010 - 09:53 PM

Tank you Dennis

i ve understood everything.