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Click of death : ウィキペディア英語版 | Click of death
Click of death is a term that became common in the late 1990s referring to the clicking sound in disk storage systems that signals a disk drive has failed, often catastrophically. The clicking sound itself arises from the unexpected movement of the disk's read-write actuator. At startup, and during use, the disk head must move correctly and be able to confirm it is correctly tracking data on the disk. If the head fails to move as expected or upon moving cannot track the disk surface correctly, the disk controller may attempt to recover from the error by returning the head to its home position and then retrying, at times causing an audible "click". In some devices, the process automatically retries, causing a repeated clicking sound. == Origin of the term ==
The phrase "click of death" originated to describe a failure mode of the Iomega ZIP drives, appearing in print as early as January 30, 1998. In his podcast of September 18, 2008, Mac journalist Tim Robertson claimed to have coined the phrase in the early '90s.〔(MyMac Podcast #201 ), 00:56:40 - 00:58:30.〕 The phrase was then applied to other drives exhibiting a similar unusual clicking sound usually associated with failure.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Click of death」の詳細全文を読む
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