location of the ports. Only one Ethernet port connection from each controller is
required to establish a direct (out-of-band) management connection to the DS4800
Storage Subsystem.
Note: The alignment of the Ethernet and serial ports on controller A are opposite
those of controller B. Before inserting an Ethernet or serial cable, verify that
the cable connection is rotated correctly to match the alignment of the port
on the RAID controller. Do not force-fit.
Configuring the storage subsystem
You must configure the storage subsystem configuration after you install the storage
subsystem in a rack cabinet. Use the information in the following sections to
configure your storage subsystem configuration.
Storage subsystem management methods
Before you configure the storage subsystem, determine which method of storage
subsystem management you want to use. You can manage the storage subsystems
in either of two ways: host-agent (in-band) management or direct (out-of-band)
management.
For more information on setting up in-band or out-of-band management
connections, refer to the DS4000 Storage Manager Installation and Support Guide
for the operating system of the host computer that will be used to manage the
DS4800 Storage Subsystem.
Important: If the operating system of the host server to which the storage
subsystem logical drives are mapped is not Microsoft Windows 2000 or
Server 2003, then you first have to make a direct (out-of-band)
management connection to the storage subsystem to set the correct
host type. The server will then be able to recognize the storage
subsystem correctly for host-agent (in-band) management.
RS-232
serial port
Ethernet ports
RS-232
serial port
Ethernet ports
Controller B
Controller A
ds48033
Figure 63. Ethernet and serial port locations
90 IBM System Storage DS4800 Storage Subsystem: Installation, User’s, and Maintenance Guide
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