Applies to Linux Linux iSCSI (Open-ISCSI) Description WARNING This procedure does not apply to NetApp E-Series. For NetApp E-Series specific steps, please visit the How to Configure iSCSI CHAP secrets...Applies to Linux Linux iSCSI (Open-ISCSI) Description WARNING This procedure does not apply to NetApp E-Series. For NetApp E-Series specific steps, please visit the How to Configure iSCSI CHAP secrets with E-Series on a Linux Host article. This article describes the steps to configure Linux iSCSI (Open-ISCSI) with CHAP authentication.