Controlling Access At The Switch; Controlling Access At The Server Or Storage Device - HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual

Configuring Zones

Controlling Access at the Switch

A World Wide Name (WWN) binding feature is available on Switches and Directors
that allows you to "bind" a specific Switch or Director port to the WWN of an
attached device for exclusive communication.
NOTE: This WWN Binding feature can be configured through the HP HAFM Product Manager
but not through the EWS.

Controlling Access at the Server or Storage Device

Features available at the server or storage device can add methods, beyond zoning, to
increase network security measures, differentiate between operating systems, and
prevent data loss or corruption by controlling access between devices or between
separate user groups (such as engineering or human resources).
Server-level access control is called persistent binding. Persistent binding uses
configuration information stored on the server and is implemented through the
server's host bus adapter (HBA) driver. The process binds a server device name to a
specific Fibre Channel storage volume or logical unit number (LUN), through a
specific HBA and storage port WWN. In essence, this feature creates a reliable route
across the fabric that sustains the small computer system interface (SCSI) connection
between a server and storage device.
For persistent binding:
• Each server HBA is explicitly bound to a storage volume or LUN, and access is
explicitly authorized (access is blocked by default).
• The process is compatible with open system interconnection (OSI) standards. The
following are transparently supported:
— Different operating systems and applications.
— Different storage volume managers and file systems.
— Different fabric devices, including disk drives, tape drives, and tape libraries.
• If the server is rebooted, the server-to-storage connection is automatically
re-established.
• The connection is bound to a storage port WWN. If the fiber-optic cable is
disconnected from the storage port, the server-to-storage connection is
automatically re-established when the port cable is reconnected. The connection is
also automatically re-established if the storage port is cabled through a different
managed product port.
3–4 embedded web server user guide