Red Hat GLOBAL FILE SYSTEM 5.0 Instrukcja Użytkownika Pobierz pdf (Strona 7)

Preparing to Create a Cluster

Setting Up Cluster Hardware

In the first step, you need to set up hardware for your cluster. This procedure includes the following

basic steps:

1 Choosing the hardware to use in the cluster. The amount and type of hardware may vary

depending on the purpose and availability requirements of your cluster. However, the following

hardware components are always present in any cluster:

• Cluster nodes. Cluster nodes are physical servers capable of running Parallels Server Bare

Metal.

• Storage. Storage is usually represented by a common disk array on a SAN. It stores all

Parallels Server Bare Metal-related data (virtual machines and Containers data, templates,

backups, and so on).

• Switches. Switches (Fibre Channel, iSCSI, or NFS) provide access to the cluster and enable

the communication between cluster nodes and the shared cluster storage.

Note: If you are planning to use an iSCSI or NFS storage device in your cluster, you are highly

recommended to use Gigabit network adapters on servers. This can prevent possible bottlenecks which

are likely to arise in a 100-Mb network.

2 Connecting all hardware components into one subnet and ensuring that each hardware

component can access all the other components in the subnet.

For more information about installing and configuring cluster hardware, see the clustering

documentation on the Red Hat web site (available at http://docs.redhat.com/docs/en-

US/Red_Hat_Enterprise_Linux/).

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Red Hat GLOBAL FILE SYSTEM 5.0 Instrukcja Użytkownika Strona 7