Hitachi ULTRASTAR 15K450 HUS154530VLF400 User Manual
Page 290
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
274
If the drive is not formatted with protection information, VRPROTECT must be set to 000b, else Check Condition status will
be returned with sense key of Illegal Request and additional sense code of Invalid Field in CDB.
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
- Logcial Block Application Tag is checked (applies to VERIFY(32) command only)
- Logical Block Reference Tag is checked
VRPROTECT=001b
- Logical Block Guard is checked
- Logcial 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
- Logcial 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
- Logcial Block Application Tag is not checked
- Logical Block Reference Tag is not checked
VRPROTECT=100b
- Logical Block Guard is checked
- Logcial 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