SNC 4000 User’s Guide
9
Firmware 4.40 Features
This chapter describes the functionality of the Storage Networking Controller (SNC) Firmware 4.40. The
SNC interface between storage and host provides Fibre Channel to SCSI connectivity.
The SNC firmware enables you to map addresses across and between different interfaces, to configure
private maps for security purposes, to condition the data path, and to preserve the persistency of the
address maps when systems, devices, switches, and the SNC are turned on and off. The SNC supports up
to 2048 unique storage devices across multiple interfaces.
Features highlighted with this release are described below.
Multi-path Mapping
Multi-path mapping enables an administrator to map a single Fibre Channel-attached storage device
through all SCSI communication channels on the SNC to provide redundancy. Both manual and automatic
versions of the multi-path feature are available. The automatic version of this feature is used by specialized,
high-availability host software. Both versions require a license.
WWN Change Capability
The world wide name (WWN) change capability enables an administrator to change the WWN on the SNC.
Text is posted during the procedure regarding the requirement to maintain a globally unique name. A
password is required in order to complete the change. The world wide node name or just the world wide port
name can be changed. This feature is being implemented to facilitate SNC replacement.
DHCP
DHCP enables an administrator to configure network parameters such as IP addresses and lease durations
for a device from a common server. When DHCP is enabled, the SNC requests configuration data from the
DHCP server and configures the Ethernet interface based on the results. DHCP can be activated in
environments in which the SNC is attached to a private network and the AMC is not used for direct SNC
control. DNS is used by target devices to determine the IP addresses of named hosts and is active
whenever DHCP is enabled.
Supported Platforms
The SNC is a platform-independent product. You can connect a host to the SNC after you have installed
the appropriate host bus adapter and drivers. You can also connect host systems with different operating
systems to the SNC through the FC.
For a current list of supported platforms, configurations, and host bus adapters, see
www.adic.com/
scalar24
.
Supported Devices
The SNC supports connections to the Scalar 24 and supports all tape drives available for that unit.
Operating Specifications
This section contains the physical, electrical, and environmental specifications for the product.
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