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bad sector
(redirected from bad block)

   Also found in: Dictionary/thesaurus, Wikipedia 0.03 sec.

bad sector

A segment of disk storage that cannot be read or written because of a physical problem in the disk. Bad sectors on hard disks are marked by the operating system and bypassed. If data are recorded in a sector that becomes bad, file recovery software, and sometimes special hardware, must be used to restore it.


bad sector [‚bad ′sek·tər]
(computer science)
An area of disk storage that does not record data reliably and therefore is not used.


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Protection information ensures that an I/O transaction has completed without any bad blocks written to disks.
``Like sometimes, I'll make a bad block and just turn around and yell something to make fun of myself.
msystems' patented TrueFFS management solution applies dynamic bad block management, and error detection and correction code (EDC/ECC) to maximize data reliability.
 
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