HP StorageWorks MSA1510i HP Storage Management Utility user guide (383075-002, - Page 53

Setting up CHAP authentication, Setting up storage-system target discovery CHAP authentication

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6. Select Mapped Logical Drive > Update Access Control. NOTE: Update Access Control is listed as a common task only if Access Control is enabled (Step 2). 7. Select the initiators that can access this mapped logical drive. 8. Repeat Step 6 through Step 7 for each mapped logical drive of the target. 9. If necessary, repeat Step 1 through Step 8 to set up an ACL for a different target. Setting up CHAP authentication The Challenge Handshake Authentication Protocol (CHAP) is one method of protecting access to the storage. When using CHAP, the same password (also called secret) is entered in both the storage management software and the initiator software. When an initiator attempts to access the target, the CHAP secrets stored in both software utilities are compared. If the secrets match, access is granted. If the secrets do not match, access is denied. Three methods of CHAP authentication are available. Choose one method: • Setting up storage-system target discovery CHAP authentication • Setting up target-specific initiator-to-target CHAP authentication • Setting up mutual CHAP authentication Setting up storage-system target discovery CHAP authentication Creating a CHAP secret that allows discovery of all targets in the storage system requires two steps: • Assigning a CHAP secret that applies to the storage system (Step 1). • Entering the same CHAP secret in the iSCSI initiator software (Step 4). HP Storage Management Utility user guide 53

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6.
Select
Mapped Logical Drive
>
Update Access Control
.
NOTE:
Update Access Control is listed as a common task only if Access Control is enabled (
Step 2
).
7.
Select the initiators that can access this mapped logical drive.
8.
Repeat
Step 6
through
Step 7
for each mapped logical drive of the target.
9.
If necessary, repeat
Step 1
through
Step 8
to set up an ACL for a different target.
Setting up CHAP authentication
The Challenge Handshake Authentication Protocol (CHAP) is one method of protecting access to the
storage. When using CHAP, the same password (also called secret) is entered in both the storage
management software and the initiator software.
When an initiator attempts to access the target, the CHAP secrets stored in both software utilities are
compared. If the secrets match, access is granted. If the secrets do not match, access is denied.
Three methods of CHAP authentication are available.
Choose one method:
•
Setting up storage-system target discovery CHAP authentication
•
Setting up target-speci
fi
c initiator-to-target CHAP authentication
•
Setting up mutual CHAP authentication
Setting up storage-system target discovery CHAP authentication
Creating a CHAP secret that allows discovery of all targets in the storage system requires two steps:
•
Assigning a CHAP secret that applies to the storage system (
Step 1
).
•
Entering the same CHAP secret in the iSCSI initiator software (
Step 4
).
HP Storage Management Utility user guide
53