Hard Disk Drive with Divided Data Sectors and Hard Disk Drive Controller for Controlling the Same

A hard disk drive comprising:

• a disk comprising a plurality of data sectors;
• a controller encoding and outputting recording data corresponding to partial data sectors having no errors in a data sector corresponding to recording data received from a host and decoding and outputting reproduced data corresponding to partial data sectors having no errors in a data sector corresponding to reproduced data output from the disk;
• and
• a read/write channel circuit outputting encoded recording data received from the controller based on a write control signal and outputting reproduced data output from the disk to the controller based on a read control signal.

A method of controlling partial data sectors in a hard disk drive, the method comprising:

• encoding recording data corresponding to partial data sectors having no errors in a data sector corresponding to the received recording data based on error information of the data sector and outputting the encoded recording data during a write operation;
• decoding reproduced data corresponding to partial data sectors having no errors in a data sector corresponding to received reproduced data based on error information of the data sector and outputting the decoded reproduced data or outputting only desired reproduced data in the decoded reproduced data during a read operation;
• writing the encoded recording data in response to a write control signal during the write operation;
• and
• reading the reproduced data in response to a read control signal during the read operation.