Editing iSCSI Target Settings

  1. Go to iSCSI & Fibre Channel > iSCSI Storage.
  2. Select an iSCSI target.
  3. Click Action, and then select Modify.

    The Modify iSCSI Target window opens.

  4. Modify any of the following settings.

    Setting

    Description

    Target Alias

    An alias enables you to identify the target more easily on the initiator.

    • Length: 1 to 32 characters

    • Valid characters: 0 to 9, a to z, A to Z, underscore (_), hyphen (-), space ( )

    Enable clustered access to the iSCSI target from multiple initiators

    When enabled, multiple iSCSI initiators can access this target and its LUNs simultaneously.

    Warning:

    To prevent data corruption, the initiators and LUN filesystems must all be cluster-aware.

    CRC/Checksum

    Initiators and targets communicate over TCP connections using iSCSI protocol data units (PDU). The sending device can send a checksum with each PDU. The receiving device uses this checksum to verify the integrity of the PDU, which is useful in unreliable network environments. There are two checksum types, which can be enabled separately.

    • Data Digest: The checksum can be used to verify the data portion of the PDU.

    • Header Digest: The checksum can be used to verify the header portion of the PDU.

    Use CHAP authentication

    An initiator must authenticate with the target using the specified username and password. This provides security, as iSCSI initiators do not require a NAS username or password.

    • Username

      • Length: 1 to 127 characters

      • Valid characters: 0 to 9, a to z, A to Z, colon (:), period (.), hyphen (-)

    • Password

      • Length: 12 to 16 characters

      • Valid characters: 0 to 9, a to z, A to Z, all special characters

    Mutual CHAP

    Both the initiator and the target must authenticate with each other for additional security. First, the initiator authenticates with the target using the CHAP authentication username and password. Next, the target authenticates with the initiator using the mutual CHAP username and password.

    • Username

      • Length: 1 to 127 characters

      • Valid characters: 0 to 9, a to z, A to Z, colon (:), period (.), hyphen (-)

    • Password

      • Length: 12 to 16 characters

      • Valid characters: 0 to 9, a to z, A to Z, all special characters
  5. Click Apply.
Parent topic: iSCSI Targets