Sense keys and codes74
HP restricted
8h—BLANK CHECK
74 03 Incorrect data encryption key The drive read into a block of data which could not be
decrypted with the current decryption key.
Action: 1. Send a
SECURITY PROTOCOL IN with the page set to
Next Block Encryption Status to obtain information
about the next block on tape.
2. Send a
SECURITY PROTOCOL OUT command with
Decryption Mode set to Decrypt or Mixed, and the Key
field specifying the correct decryption key
74 04 Cryptographic integrity
validation failed
The next block failed the integrity validation process while
the drive was attempting to read it.
Action: Data may have been compromised, so the tape should not
be trusted. Log the incident in the system log and notify the
user.
74 05 Key-associated data
descriptors changed
The Key-associated data descriptor values have changed
compared to the values in the last recorded read.
Action: None. The application may continue reading but it is
advisable to send a
SECURITY PROTOCOL IN command with
the page set to Next Block Encryption Status to find out
information about the next block on tape. The application
may decide to change its own security parameters.
Code Meaning Comments
Code Meaning Comments
00 05 End of Data (EOD)
detected
A
READ or SPACE command terminated early because it
encountered EOD.
Action: 1. Terminate the current I/O and return the appropriate
error to the calling application indicating that EOD
has been encountered.
2. Send a console message saying that EOD has been
encountered.
3. Recovery depends on the calling application and
what was expected.
