Administrator Guide

6. (Optional) To change the fault domain setup, select from the following options:
Click Create Fault Domain to create a new fault domain.
Click Edit Fault Domain to edit the current fault domain.
Click Remove to delete a fault domain.
7. Click Next.
If you are setting up iSCSI fault domains, the Configure iSCSI Fault Domain page opens.
If you are setting up SAS back-end ports but not iSCSI fault domains, the Configure Back-End Ports page opens.
If you are not setting up iSCSI fault domains or SAS back-end ports, the Inherit Settings or Time Settings page opens.
Configure iSCSI Ports
Create an iSCSI fault domain to group ports for failover purposes.
Steps
1. On the first Configure iSCSI Fault Tolerance page, select the number of fault domains to create, and then click Next.
2. On the next Configure iSCSI Fault Tolerance page, configure the first fault domain:
a) In the Name field, type a name for the fault domain.
b) (Optional) In the Notes field, type notes for the fault domain.
c) In the Target IPv4 Address field, type an IP address to assign to the iSCSI control port.
d) In the Subnet Mask field, type the subnet mask for the IP address.
e) In the Gateway IPv4 Address field, type the IP address for the iSCSI network default gateway.
f) In the Ports table, select the iSCSI ports to add to the fault domain. All iSCSI ports in the fault domain should be connected to the
same Ethernet network.
g) Click Next. If you are configuring more than one fault domain, repeat these steps for each fault domain.
3. On the final Configure iSCSI Fault Tolerance page, review the fault domain setup.
4. (Optional) To change the fault domain setup, select from the following options:
Click Create Fault Domain to create a new fault domain.
Click Edit Fault Domain to edit the current fault domain.
Click Remove to delete a fault domain.
5. Click Next.
If you are setting up SAS back-end ports, the Configure Back-End Ports page opens.
If you are not setting up SAS back-end ports, the Inherit Settings or Time Settings page opens.
Configure SAS Fault Domains
Specify the number of fault domains to create for front-end SAS ports on SC4020 controllers.
Steps
1. On the Configure Front End SAS Fault Tolerance page, select the number of fault domains to be created.
2. Click Next. Storage Manager selects un-used, front-end SAS ports and groups them into the preferred port pairs for the fault
domains.
The Configure Front End SAS Fault Tolerance page opens.
3. Review the information on the page and verify that the fault domains contain only one port from each controller.
4. Click Next.
Storage Center creates the fault domains.
Configure Back-End Ports (Configure Storage Center Wizard)
Select SAS ports to configure for connecting to enclosures.
Steps
1. On the Configure Back-End Ports page, select the SAS ports to configure.
2. Click Next. The Inherit Settings or Time Settings page opens.
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Storage Center Deployment