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Chapter 7 Using the Sun SAM-Remote Software 169
per daemon. To configure more than ten clients, add an additional remote server
entry in the mcf file for each ten clients that you want to configure. For more
information about the server daemon, see the sam-remote(7) man page.
Sun SAM-Remote Client Overview
The Sun SAM-Remote client is a Sun StorageTek SAM host system that establishes a
Sun SAM-Remote client daemon containing a number of pseudo-devices.
You define a host system as a Sun SAM-Remote client by adding a line in the client
system’s /etc/opt/SUNWsamfs/mcf file with an equipment type of sc. For more
information about the client daemon, see the sam-remote(7) man page.
A pseudo-device defines a network connection to an actual removable media device
on the Sun SAM-Remote server. Pseudo-devices have an equipment type of rd,
which is an abbreviation for remote device. You define the pseudo-devices in the Sun
SAM-Remote client’s /etc/opt/SUNWsamfs/mcf file. The Sun SAM-Remote
daemon and pseudo-devices are associated with one particular server.
The Sun SAM-Remote daemon supports an unlimited number of pseudo-devices for
each client. The actual number of pseudo-devices to be used by the client is
configurable. When determining how many pseudo-devices should be configured
per client, think of these devices as the number of simultaneous data transfers that
can occur between the client and the server. As more pseudo-devices are defined, the
possibility of increasing the total network traffic load increases. It is up to you, the
system administrator, to determine the actual number of pseudo-devices needed for
the system.
Interaction Between the Sun SAM-Remote Server and the Sun
SAM-Remote Client
The Sun SAM-Remote server daemon, sam-serverd, listens for the clients on port
1000. You can configure a different port in the Sun Solaris /etc/services directory
with a service name of rmtsam. When a Sun SAM-Remote client connects to the Sun
SAM-Remote server, the sam-serverd daemon establishes a connection on another
port and communicates this port number to that client, using the defined port. The
socket size is passed to the client. The socket size is configurable and is described in
more detail in the “Configuring the Sun SAM-Remote Software” on page 170.
Library Catalogs
The Sun SAM-Remote library catalog is a subset of the catalog located on the Sun
SAM-Remote server. The client catalog is updated in real time. The slots allotted to a
Sun SAM-Remote client catalog are controlled only by the Sun SAM-Remote server.
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