Re: libata: SATL error processing: unrecovered read error

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On 09/05/2010 11:57 AM, Douglas Gilbert wrote:
While looking at an eSATA connected external disk with
a medium error, this sense data appeared:

READ cdb: 28 00 96 4a 7a d1 00 00 01 00
duration=2816 ms
READ: Descriptor format, current; Sense key: Medium Error
Additional sense: Unrecovered read error - auto reallocate failed
Descriptor type: Information
0x00000000964a7ad1
Raw sense data (in hex):
72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
96 4a 7a d1

That is pretty close to what I was expecting to see. If anything
there is too much information. That "Unrecovered read error -
auto reallocate failed" [asc/asq: 11h/04h] should just be
"Unrecovered read error" [asc/asq: 11h/0h]. See sat2r09.pdf table
105 or sat3r00.pdf table 105.

If any auto-reallocate occurred on the drive's part, it definitely failed at that point. And auto-reallocate is a possibility.

11h/04h seems to more accurately describe the situation.

	Jeff



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