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CHAP is optional. However, if you configure 1-way or 2-way CHAP, you must remember to configure
both the server and the iSCSI initiator with the appropriate characteristics. Table 74 lists the
requirements for configuring CHAP.
Requirements for configuring CHAP
Table 74 Configuring iSCSI CHAP
CHAP Level
What to Configure for the
Server in the SAN/iQ Software
What to Configure in the iSCSI Initiator
CHAP not required
Initiator node name only
No configuration requirements
• CHAP name*
Enter the target secret (12-character minimum) when logging on to available target.
1-way CHAP
• Target secret
• Enter the initiator secret. (12-character
minimum).
• CHAP name*
• Target secret
2-way CHAP
• Enter the target secret (12-character
minimum).
• Initiator secret
* If using CHAP with a single
node only, use the initiator
node name as the CHAP
name.
iSCSI and CHAP terminology
The iSCSI and CHAP terms used vary based on the operating system and iSCSI initiator you are using.
The table below lists the terms for two common iSCSI initiators.
Table 75 iSCSI terminology
SAN/iQ CMC
Microsoft
VMWare
Linux
Refer to the documentation for the
iSCSI initiator you are using. Linux
iSCSI initiators may use a command
line interface or a configuration file.
Initiator Node Name
Initiator Node Name
iSCSI Name
CHAP Name
Not used
CHAP Name
Target Secret
Target Secret
CHAP Secret
Initiator Secret
Secret
N/A
NOTE:
The initiator node name and secrets set in the SAN/iQ CMC must match what you enter in the server’s
iSCSI initiator exactly.
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iSCSI and the HP LeftHand Storage Solution