Quantum DX5000 User's Guide download pdf (Page 74)

Chapter 3 DX3000 and DX5000 Remote Management

Configuration

Quantum DX3000 and DX5000 User’s Guide 56

Figure 36 iSCSI Configuration

Page

Configure the following iSCSI settings as desired:

• CRC/Checksum - Cyclic Redundancy Check is a common technique for

detecting data transmission errors. Messages are divided into

predetermined lengths that are divided by a fixed divisor. According

to the calculation, the remainder number is appended onto and sent

with the message. When the message is received, the computer

recalculates the remainder and compares it to the transmitted

remainder. If the numbers do not match, an error is detected.

• Authentication for all iSCSI initiators - Authentication for iSCSI

initiators is the process of identifying an initiator based on a

username and password. If you want to authenticate the iSCSI

initiators, enter a

User Name and Password for the initiator.

• Authentication for all iSCSI targets:

• CHAP - Challenge Handshake Authentication Protocol is an

authentication type in which the authentication agent (typically a

network server) sends the client program a random value that is

used only once and an ID value. Both the sender and peer share a

predefined secret. The peer concatenates the random value (or

nonce), the ID and the secret and calculates a one-way hash using

MD5. The hash value is sent to the authenticator, which in turn

builds that same string on its side, calculates the MD5 sum itself

and compares the result with the value received from the peer. If

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Quantum DX5000 User's Guide Page 74