CHAP Initiator Settings

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The ‘CHAP Initiator Settings’ page allows you to define the Challenge-Handshake Authentication Protocol (CHAP) credentials that your appliance (target) should expect from initiators (servers) that are attempting to access all the volumes. CHAP can be either unidirectional, that is, the target authenticates the initiator, or bidirectional, where the target authenticates the initiator and the initiator authenticates the target.



CHAP Initiators define the credentials that your servers will use when connecting to this appliance for either unidirectional or bidirectional authentication.  An example of the CHAP initiator settings page is shown below.



This sections also explains the common tasks associated with the CHAP Initiators page -


Creating CHAP Initiators

Perform the following steps to create a CHAP initiator:
  • To add a record, click the ‘Add New Record’ button found at the bottom of the table.  The display will change to edit mode as shown below.
  • Type in values in the ‘Initiator Username’ and ‘Initiator Secret’ fields.  These values should align with the username and secret (password) fields that you supply on your server iSCSI initiator software.  Initiator secrets (passwords) must be at least 12 characters in length.  Note that some operating systems may have restrictions on the maximum length of initiator secrets (passwords).  For instance, Microsoft Windows Server 2008 only supports secrets of up to 16 characters.
  • When you have finished creating the entry, click the check icon Green_Check_20X18.png on the left side of the row to save your changes, or click the ‘delete’ icon Red_Cross_20X20.png on the left side of the row to discard your changes. 


File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: The CHAP settings are global settings and when applied will require the user to use authentication with all the servers consuming storage from your appliance.


Editing CHAP Initiators

Perform the following steps to edit an existing CHAP Initiator:

  • To edit an existing initiator’s username or secret, click the ‘Edit’ icon Edit_Pencil_20X19.png on the far left of the row containing the initiator’s configuration.
  • Modify the CHAP initiator settings.
  • Similar to the process used when creating a CHAP initiator as described above, a check icon Green_Check_20X18.png will appear at the left end of the row, which can be used to save your changes. 
  • To cancel your changes, click on the ‘delete’ icon Red_Cross_20X20.png that appears at the left end of the row.


Deleting CHAP Initiators

Perform the following steps to delete a CHAP initiator:
  • To delete a configured CHAP initiator, click the ‘delete’ icon Red_Cross_20X20.png to the left of the initiator username while not in the edit mode. 
  • Your appliance will prompt you for confirmation using a pop-up window, to ensure that you really wish to delete the CHAP initiator entry.
  • Note that  if the CHAP initiator User is being used by an Access Control Record, it cannot be deleted and a message to that effect will be displayed.




  • Click ‘OK’ to return to CHAP Initiator Settings View.


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