HP CloudSystem Foundation Guida Utente Scaricare il pdf (Pagina 98)

Configuring security groups for instances in an ESX cluster

Security group functionality is provided by VMware vCNS, and not by the security group rules

configurable from the CloudSystem Portal. To enable the security groups feature in an ESX

environment, the following must be true.

• VMware vShield Manager virtual appliance must be installed and configured for each managed

vCenter Server, as a single vShield Manager can serve only a single vCenter Server

environment.

• vShield App virtual appliance must be intalled from vShield Manager on each ESX host in the

cluster that is managed from the managed vCenter Server.

• CloudSystem Foundation requires that all vShield Manager certificate names match compute

host names.

To learn how to configure security groups using vShield Manager and vShield App, refer to the

vShield Administration Guide at VMware.

Configuring iSCSI on ESX compute hosts

If you plan to attach iSCSI volumes created in the HP 3PAR storage system to instances hosted on

VMware ESX servers, then you must configure an iSCSI adapter on the ESX compute hosts.

Configuring networking for the VMkernel

A single VMkernel adapter is required to support iSCSI. The VMkernel runs services for iSCSI

storage and must be connected to a physical network adapter.

Prerequisites

• SAN storage hardware is using HP 3PAR firmware version 3.1.2

Procedure 51 Configuring networking for the VMkernel

1. Log in to the vSphere Client hosting your vCenter Server and select a compute host from the

Inventory panel.

2. Select the Configuration→Networking tab.

3. From the vSphere Standard Switch view, select Add Networking.

4. Select VMkernel and click Next.

5. To create a new standard switch, select Create a vSphere standard switch.

6. Select the NIC to use for iSCSI traffic and click Next.

7. Enter a network label and click Next.

The label helps you easily identify the VMkernel adapter.

8. Specify the IP settings and click Next.

9. Review the information and click Finish.

After configuring the VMkernel networking, you need to bind the iSCSI adapter with the VMkernel

adapter. You can find a list of available storage adapters in the Hardware tab under Storage

Adapters. When the VMkernel adapter is bound with the iSCSI adapter, you see a network

connection on the list of VMkernel port bindings for the iSCSI adapter.

Setting the discovery address and target name of the storage system

The iSCSI adapter uses the target discovery address to determine which storage resources on the

network are available for access.

Dynamic discovery

When using dynamic discovery, a SendTagets request is sent to the iSCSI server every time the

initiator contacts the server. To use this type of discovery, you must associate your storage adapter

with an iSCSI initiator, and set that initiator to use dynamic discovery. Each time the host sends

out the request for targets, the Static Discovery list is populated with newly discovered targets.

98 Compute node creation

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HP CloudSystem Foundation Guida Utente Pagina 98

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