HP XP20000/XP24000 Manuale di configurazione - Pagina 22

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Clustering is the organization of multiple servers into groups. Within a cluster, each server is a node.

Multiple clusters compose a multi-cluster environment. The following example shows a multi-cluster

environment with three clusters, each containing two nodes. The nodes share access to the disk array.

Figure 3 Multi-cluster environment

Within the Storage Area Network (SAN), the clusters may be homogeneous (all the same operating

system) or they may be heterogeneous (mixed operating systems). How you configure LUN security

and fabric zoning depends on the operating system mix and the SAN configuration.

Fabric Zoning and LUN security for multiple operating systems

HP LUN Configuration and Security Manager XP and XP Array Manager for the XP24000/XP20000

disk array offer the ability to limit access to a given host to a specific host/WWN.

Security must be enabled for LUN isolation when multiple hosts connect through a shared array

port. See the HP StorageWorks SAN Design Reference Guide (http://www.hp.com/go/sandesign)

for fabric zoning and LUN security configuration rules.

The HP service representative performs the following steps to connect the disk array to the host:

Verifying operational status of the disk array channel adapters, LDEVs, and paths.

Connecting the Fibre Channel cables between the disk array and the fabric switch or host.

Verifying the ready status of the disk array and peripherals.

After configuring the FCAs and to ensure the new devices are recognized, some FCA drivers require

you to configure each LUN individually (either through the driver configuration file or in /kernel/

drv/sd.conf).

Installing and configuring Solaris for the XP family of disk arrays