Dell PowerVault MD3200i Deployment Guide - Page 63

Configuring Target CHAP Authentication on the Storage Array, iSCSI, Change Target, Authentication

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Configuring Target CHAP Authentication on the Storage Array 1 From MDSM, click the iSCSI tab and then click Change Target Authentication. Select one of the CHAP settings described in Table A-4. Table A-4. CHAP Setting Option Description None This is the default selection. If None is the only selection, the storage array allows an iSCSI initiator to log on without supplying any type of CHAP authentication. None and CHAP The storage array allows an iSCSI initiator to log on with or without CHAP authentication. CHAP If CHAP is selected and None is deselected, the storage array requires CHAP authentication before allowing access. 2 To configure a CHAP secret, select CHAP and select CHAP Secret. 3 Enter the Target CHAP Secret (or Generate Random Secret). Confirm it in Confirm Target CHAP Secret and click OK. Although the storage array allows sizes from 12 to 57 characters, many initiators only support CHAP secret sizes up to 16 characters (128-bit). NOTE: A CHAP secret is not retrievable after it is entered. Ensure that you record the secret in an accessible place. If Generate Random Secret is used, copy and paste the secret into a text file for future reference since the same CHAP secret is used to authenticate any new host servers you may add to the storage array. If you forget this CHAP secret, you must disconnect all existing hosts attached to the storage array and repeat the steps in this chapter to re-add them. 4 Click OK. Appendix-Manual Configuration 63

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Appendix—Manual Configuration
63
Configuring Target CHAP Authentication on the Storage Array
1
From MDSM, click the
iSCSI
tab and then click
Change Target
Authentication
.
Select one of the CHAP settings described in Table A-4.
2
To configure a CHAP secret, select
CHAP
and select
CHAP Secret
.
3
Enter the
Target CHAP Secret (or Generate Random Secret)
. Confirm it
in
Confirm Target CHAP Secret
and click
OK
.
Although the storage array allows sizes from 12 to 57 characters, many
initiators only support CHAP secret sizes up to 16 characters (128-bit).
NOTE:
A CHAP secret is not retrievable after it is entered. Ensure that you
record the secret in an accessible place. If Generate Random Secret is used,
copy and paste the secret into a text file for future reference since the same
CHAP secret is used to authenticate any new host servers you may add to the
storage array. If you forget this CHAP secret, you must disconnect all existing
hosts attached to the storage array and repeat the steps in this chapter to
re-add them.
4
Click
OK
.
Table A-4.
CHAP Setting
Option
Description
None
This is the default selection. If None is the only selection, the
storage array allows an iSCSI initiator to log on without
supplying any type of CHAP authentication.
None and CHAP
The storage array allows an iSCSI initiator to log on with or
without CHAP authentication.
CHAP
If CHAP is selected and None is deselected, the storage array
requires CHAP authentication before allowing access.