6.0.1

Table Of Contents
3 From the list of available targets, select a target to congure and click Authentication.
4 Deselect Inherit  from parent and specify authentication method.
n
None
n
Use unidirectional CHAP if required by target
n
Use unidirectional CHAP unless prohibited by target
n
Use unidirectional CHAP
n
Use bidirectional CHAP. To congure bidirectional CHAP, you must select this option.
5 Specify the outgoing CHAP name.
Make sure that the name you specify matches the name congured on the storage side.
n
To set the CHAP name to the iSCSI adapter name, select Use initiator name.
n
To set the CHAP name to anything other than the iSCSI initiator name, deselect Use initiator name
and type a name in the Name text box.
6 Enter an outgoing CHAP secret to be used as part of authentication. Use the same secret that you enter
on the storage side.
7 If conguring bi-directional CHAP, specify incoming CHAP credentials.
Make sure to use dierent secrets for the outgoing and incoming CHAP.
8 Click OK.
9 Rescan the iSCSI adapter.
If you change the CHAP parameters, they are used for new iSCSI sessions. For existing sessions, new
seings are not used until you log out and login again.
Disable CHAP
You can disable CHAP if your storage system does not require it.
If you disable CHAP on a system that requires CHAP authentication, existing iSCSI sessions remain active
until you reboot your host, end the session through the command line, or the storage system forces a logout.
After the session ends, you can no longer connect to targets that require CHAP.
Required privilege: Host..Storage Partition 
Procedure
1 Open the CHAP Credentials dialog box.
2 For software and dependent hardware iSCSI adapters, to disable just the mutual CHAP and leave the
one-way CHAP, select Do not use CHAP in the Mutual CHAP area.
3 To disable one-way CHAP, select Do not use CHAP in the CHAP area.
The mutual CHAP, if set up, automatically turns to Do not use CHAP when you disable the one-way
CHAP.
4 Click OK.
Chapter 10 Configuring iSCSI Adapters and Storage
VMware, Inc. 101