Quantum Q-EKM User's Guide download pdf (Page 75)

Troubleshooting

Frequently Asked Questions

Quantum Encryption Key Manager User’s Guide 62

Frequently Asked Questions

Question Answer

How can I tell if the Q-EKM server is

running?

Do one of the following:

• Issue the Q-EKM “status: command (see Displaying the

Q-EKM Server On/Off Status on page 30).

•Check the

native_stdout.log (see Standard Out Messages

Log on page 66).

What is the difference between

Application-Managed Encryption (AME)

and Library-Managed Encryption (LME)

and how do they work?

AME is not part of Q-EKM. In AME, the ISV application

manages the interaction with the encryption-capable

drive. AME requires an ISV application that supports it.

With LME, the library (and the Q-EKM server) manages

the interaction with the encryption-capable tape drive.

LME does not require any ISV support and is transparent

to the application.

When is media encrypted? Media (either new or re-labeled) is encrypted when it is

initially written to at the beginning of the tape (BOT).

What state must the media be in to be

encrypted using Q-EKM?

The media must be either blank or erased (re-labeled). If

any unencrypted data is on the media, no encryption will

occur.

If the media contains anything other than LME-encrypted

data, the data must be erased. Interleaving LME data with

non-encrypted or AME-encrypted data is not supported.

How can I verify that tapes are being

encrypted using Q-EKM?

• The library interface provides several reports that

indicate which tapes are encrypted. See your library

user’s guide for details.

• You can check the Q-EKM audit log for key retrieval

traffic (see Audit Log

on page 65).

How can I tell which tapes are encrypted

and which are not encrypted?

The library interface provides several reports that indicate

which tapes are encrypted. See your library user’s guide

for details

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Quantum Q-EKM User's Guide Page 75

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