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Heterogeneous operating systems can share an array port if you set the appropriate host group

and mode. All others must connect to a dedicated array port.

Use LUN Manager for LUN isolation when multiple hosts connect through a shared array port.

LUN Manager provides LUN security by allowing you to restrict which LUNs each host can access.

QLogic and Emulex FCAs must be in separate zones (a QLogic zone and an Emulex zone)

whether the FCAs are in the same or separate servers.

If booting over the SAN, within a server, the booting FCAs must be from the same vendor. Addi-

tional data storage FCAs can be from a different vendor.

Table 5 Fabric zoning and LUN security settings

Environment

Standalone SAN

(non-clustered)

Clustered SAN

Multi-Cluster SAN

If you plan to use clustering, install and configure the clustering software on the servers. 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 environ-

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

Figure 3 Multi-cluster environment

Connecting the disk array

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.

OS mix

homogeneous (a

single OS type

Not required

present in the SAN)

heterogeneous (more

than one OS type

Required

present in the SAN)

XP Disk Array Configuration Guide: Windows

Fabric zoning

LUN security

Must be used when

multiple hosts or

cluster nodes connect

through a shared port