Unisphere and Unisphere Central 2020 R1 Administrator's Guide

Configure an iSCSI Connection for Remote Storage Systems

Add an iSCSI connection to a remote Storage Center to transfer replication and/or Live Volume data using the iSCSI protocol.

1. Click the HOME menu.
   The Unisphere CentralHome page is displayed.

   If a Storage Center is selected from the drop-down list in Unisphere Central, click (Home).

2. From the Data Mobility menu, click Replications & Live Volumes.
   The Replications & Live Volumes view opens to the Replications tab.
3. Click the Connections tab.
4. Select the Storage Center from which to create the remote connection.
5. Click .
   The New Remote Connection wizard opens.
6. Select the Storage Center for which you want to configure an iSCSI connection, then click Next. The wizard advances to the next page.
7. Select the source and remote ports to use for the iSCSI connection and then click Next.
   The Connection Settings page opens.
8. Configure the connection settings:
   1. From the iSCSI Network Type drop-down menu, select the option that corresponds to the speed of the connection between the Storage Centers.
   2. (Optional) Select Network Address Translation (NAT).
      NOTE NAT port forwarding is supported only in virtual port mode.
   3. (CHAP only) If the local iSCSI fault domain, remote iSCSI fault domain, or both, have CHAP enabled, type a shared secret in the CHAP Secret field.
   4. (CHAP only) If you have selected fault domains on both Storage Centers that have bi-directional CHAP enabled, select the Use Bidirectional CHAP check box. This option causes the Storage Centers to challenge the fault domains on each Storage Center for a shared secret.
   5. Click Next.
      If you have selected NAT port forwarding, the Source NAT Targets page opens.
   6. (NAT only) In the Port Forwarding area select one or more local and remote iSCSI ports or click Add to configure a new port.
      • In virtual port mode, the NAT IP Address and NAT Public Port fields display the translated public IP address and port.
   7. (NAT only) In the Public Network/Initiator Port area, select one or more ports or click Add to configure a new port.
   8. Click Next.
      The Remote NAT Targets page opens.
   9. (NAT only) In the Port Forwarding area select one or more local and remote iSCSI ports or click Add to configure a new port.
   10. (NAT only) In the Public Network/Initiator Port area, select one or more ports or click Add to configure a new port.
9. Click Next.
   The Summary page opens.
10. Review the connection settings and click Finish to complete the connection.