Dell CX4 manual Single Initiator Zoning, Port Worldwide Names in a SAN Environment Identifier

Table 3-1. Port Worldwide Names in a SAN Environment (continued)

Identifier Description

xx:xx:xx:60:45:xx:xx:xx PowerVault 132T and 136T tape libraries

xx:xx:xx:E0:02:xx:xx:xx PowerVault 128T tape autoloader

xx:xx:xx:C0:01:xx:xx:xx PowerVault 160T tape library and Fibre Channel tape drives

xx:xx:xx:C0:97:xx:xx:xx PowerVault ML6000 Fibre Channel tape drives

CAUTION: When you replace a Fibre Channel HBA in a PowerEdge server, reconfigure your zones to provide continuous client data access. Additionally, when you replace a switch module, reconfigure your zones to prevent data loss or corruption.

CAUTION: You must configure your zones before you configure the logical unit numbers (LUNs) and storage groups. Failure to do so may cause data loss, data corruption, or data unavailability.

Single Initiator Zoning

Each host HBA port in a SAN must be configured in a separate zone on the switch with the appropriate storage ports. This zoning configuration, known as single initiator zoning, prevents different hosts from communicating with each other, thereby ensuring that Fibre Channel communications between the HBAs and their target storage systems do not affect each other.

When you create your single-initiator zones, follow these guidelines:

•Create a zone for each HBA port and its target storage devices.

•Each CX4-series storage processor port can be connected to a maximum of 64 HBA ports in a SAN-attached environment.

•Each host can be connected to a maximum of four storage systems.

•The integrated bridge/SNC or fibre-channel interface on a tape library can be added to any zone.

NOTE: If you are sharing a storage system with multiple clusters or a combination of clustered and nonclustered systems (hosts), you must enable Access Control. Otherwise, you can only have one nonclustered system or one PowerEdge cluster attached to the Dell/EMC storage system.

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Preparing Your Systems for Clustering