vSphere Storage - ESXi 5.1 - Documentation - VMware

vSphere Storage
4 Configure one-way CHAP in the CHAP area.
a Deselect Inherit from parent.
b Select one of the following options:
n Do not use CHAP unless required by target
n Use CHAP unless prohibited by target
n Use CHAP. To be able to configure mutual CHAP, you must select this option.
c Specify the CHAP name.
Make sure that the name you specify matches the name configured on the storage side.
n To set the CHAP name to the iSCSI initiator name, select Use initiator name.
n To set the CHAP name to anything other than the iSCSI initiator name, deselect Use initiator
name and enter a name in the Name field.
d Enter a one-way CHAP secret to be used as part of authentication. Make sure to use the same secret
that you enter on the storage side.
5 To configure mutual CHAP, first configure one-way CHAP by following directions in Step 4.
Make sure to select Use CHAP as an option for one-way CHAP. Then, specify the following in the Mutual
CHAP area:
a Deselect Inherit from parent.
b Select Use CHAP.
c Specify the mutual CHAP name.
d Enter the mutual CHAP secret. Make sure to use different secrets for the one-way CHAP and mutual
CHAP.
6 Click OK.
7 Rescan the initiator.
If you change the CHAP or mutual CHAP parameters, they are used for new iSCSI sessions. For existing
sessions, new settings are not used until you log out and login again.
Set Up CHAP for Target in the vSphere Web Client
If you use software and dependent hardware iSCSI adapters, you can configure different CHAP credentials
for each discovery address or static target.
The CHAP name should not exceed 511 and the CHAP secret 255 alphanumeric characters.
Prerequisites
n Before setting up CHAP parameters for software or dependent hardware iSCSI, determine whether to
configure unidirectional or bidirectional CHAP.
n Verify CHAP parameters configured on the storage side. Parameters that you configure must match the
ones one the storage side.
n Access storage adapters.
n Required privilege: Host.Configuration.Storage Partition Configuration
Procedure
1 Select the iSCSI adapter to configure, and click the Targets tab under Adapter Details.
2 Click either Dynamic Discovery or Static Discovery.
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