Dell PowerVault 3000i - Manual (Page 46)

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Setting Up Your iSCSI Storage Array
CHAP Definitions
To summarize the differences between target CHAP and mutual CHAP authentication, see Table 4-6.
How CHAP Is Set Up
The next two steps in your iSCSI configuration, Step 5: Configure CHAP Authentication on the Storage
Array (optional) and Step 6: Configure CHAP Authentication on the Host Server (optional), offer step-by-
step procedures for setting up CHAP on your storage array and host server.
Table 4-6. CHAP Types Defined
CHAP Type Description
Target CHAP Sets up accounts that iSCSI initiators use to connect to the target
storage array. The target storage array then authenticates the iSCSI
initiator.
Mutual CHAP Applied in addition to target CHAP, mutual CHAP sets up an account
that a target storage array uses to connect to an iSCSI initiator. The
iSCSI initiator then authenticates the target.