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Chapter 4 Configuring StorNext
Windows Configuration Utilities
StorNext 3.5 Installation Guide 73
Distributed LAN 4
The Distributed LAN tab is used to enable and configure StorNext
Distributed LAN (DLAN) Clients and Servers for a file system. The
Enable Client and Enable Server radio buttons determine whether the
system is a Client or Server. Note that separate licensing is required for
DLAN.
StorNext Distributed LAN Clients provide the same functionality as
normal StorNext Clients but do not need to be connected directly to the
SAN. They instead send I/O via the TCP/IP network to a Distributed
LAN Server; a normal SAN client with DLAN Server Selected in its
configuration. Metadata is sent over the TCP/IP network directly to the
File System Metadata Controller (Server/MDC).
Distributed LAN Clients request the location of normal DLAN Servers
via the Name Server.
• Distributed LAN Server: A distributed LAN server has direct access to
data disks (using fibre channel) and makes the shared storage pool
available to distributed LAN clients over a network.
• Distributed LAN Client: A distributed LAN client does not have direct
access to data disks and instead accesses the shared storage pool by
connecting to a distributed LAN server over a network. (Distributed
LAN clients have full StorNext client functionality.)
Use the Distributed LAN tab (figure 38) to configure a distributed LAN
server or a distributed LAN client. Table 16 describes the fields on the
Distributed LAN tab.
Note: A StorNext client configured as a distributed LAN server
requires a dedicated system. Do not run other applications or
services on a system configured as a distributed LAN server.