Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
269
VRPROTECT=000b
If the drive is not formatted with protection information, only user data is verified.
If the drive is formatted with protection information:
- Logical Block Guard is checked
- Logical Block Application Tag is checked (applies to VERIFY(32) command only)
- Logical Block Reference Tag is checked
VRPROTECT=001b
- Logical Block Guard is checked
- Logical Block Application Tag is checked (applies to VERIFY(32) command only)
- Logical Block Reference Tag is checked
VRPROTECT=010b
- Logical Block Guard is not checked
- Logical Block Application Tag is checked (applies to VERIFY(32) command only)
- Logical Block Reference Tag is checked
VRPROTECT=011b
- Logical Block Guard is not checked
- Logical Block Application Tag is not checked
- Logical Block Reference Tag is not checked
VRPROTECT=100b
- Logical Block Guard is checked
- Logical Block Application Tag is not checked
- Logical Block Reference Tag is not checked
VRPROTECT=101b, 110b, 111b
These values are reserved. Check Condition status will be returned with sense key of Illegal Request and
additional sense code of Invalid Field in CDB.
If a check of the protection information fails, Check Condition status will be returned with sense key of Aborted
Command and additional sense code indicating which protection field check failed.
If ByteChk=1, the drive's internal checking of protection information is done only when VRPROTECT=000b and the
drive is formatted with protection information
If ByteChk=1, and VRPROTECT is not set to 000b, checking of protection information is performed on the fields
described above as a byte-by-byte comparison against the data transferred to the drive by the initiator during the
Data Out phase.
Refer to the ANSI T10 standards for additional details of protection information.