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And how to disable a bad sector?
Since a few years, there is a bad sector on one of my hard drives.
Disk Utility does not report anything, but smartctl says
Error 419 occurred at disk power-on lifetime: 13095 hours (545 days + 15 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 01 3f 13 77 e6 Error: UNC 1 sectors at LBA = 0x0677133f = 108467007 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 08 38 13 77 e6 00 18:06:00.600 READ DMA c8 00 08 30 13 77 e6 00 18:06:00.600 READ DMA c8 00 08 28 13 77 e6 00 18:06:00.600 READ DMA c8 00 08 20 13 77 e6 00 18:06:00.600 READ DMA c8 00 08 18 13 77 e6 00 18:06:00.600 READ DMADo you know if there is some technique to disable this bad sector?
And how to disable a bad sector?
The best way would be to read and rewrite the sector. This will allow the drive to remap it. I once wrote a program to do just this. Running as root, it opens the raw drive, does a seek to the sector, reads, then rewrites it. |
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