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Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
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HTS721010A9E630

June 27th, 2025, 7:55

Hello gurus,
A customer bring to me the drive in topic opened in another company and reported unrecoverable.
Drive was clicking and after heads replaced it came ready very fast ( SA and UA accessible.
I have backed up SA.
The problem that the drive reads until ~8000000 sector very good with maximum speed 130MB/s with all 4 heads online.
After 8000000 all sectors shows UNC.
Which I couldn't figure that out until now.

Any thoughts ?

Thanks in advance.

Re: HTS721010A9E630

June 27th, 2025, 9:10

deleted

Re: HTS721010A9E630

June 27th, 2025, 9:44

I tried to upload PSHT and RDMT to RAM but no luck, the same partial access to first 8 million sectors.
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