5.43VERIFY Command (2Fh)
The VERIFY command verifies the data on the medium for the Logical Block Address range specified. The data format and field descriptions are shown in Table 5- 204 and Table
Table
Bit | 7 | 6 | 5 | 4 |
| 3 |
| 2 | 1 | 0 |
Byte |
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0 |
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| Operation | Code (2Fh) |
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1 |
| Reserved |
| DPO |
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| BytChk | RelAdr | |
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2 - 5 |
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| Logical Block Address |
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6 |
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7 - 8 |
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| Verification Length |
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9 |
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| Control |
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Field | Description | |
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| Disable Page Out. When the value of the field = 1, the device server will assign the logical | |
DPO | blocks accessed by this command the lowest priority for being fetched into or retained by the | |
cache. | ||
| When DPO = 0, the priority will be determined by fields in the Caching page. | |
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| Byte Check. When the value is 1, the drive performs a | |
BytChk | on the medium with the data sent by the initiator in the | |
When 0, the drive performs a medium verification with no data comparison. In this case, no | ||
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| data is sent by the initiator. | |
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RelAdr | Relative Address. This feature is not supported; the field must be 0. | |
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Logical | The address of the first logical sector to be verified. | |
Block | ||
Address |
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Verifica- | The number of contiguous sectors that are to be verified. The drive returns a CHECK CON- | |
DITION status with the correct sense data if the specified transfer extends beyond out of the | ||
tion Length | ||
logical sector space. | ||
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Maxtor Atlas 10K V |