Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
314
The target will automatically reallocate for the following commands.
- Write
- Write Same
- Write portion of Write and Verify
For all other commands the AWRE setting is ignored and the target will not automatically reallocate.
Auto Reallocate information is communicated via the sense data returned following a command during which a site
was determined to need rewriting or reassignment. The LBA returned in the sense data is the LBA that was
determined to need rewriting or reassignment.
The sense data combinations with auto/recommend rewrite/reallocate are listed below.
Table 280 Sense data combinations with auto/recommend rewrite/reallocate
Key
Code
Qual
Description
1
17
01
Recovered Data with retries
1
17
06
Recovered Data without LDPC - Auto Reallocated
1
17
09
Recovered Data without LDPC - Data Rewritten
1
18
00
Recovered Data with LDPC
1
18
02
Recovered Data with LDPC - Auto Reallocated
1
18
07
Recovered Data with LDPC - Data Rewritten