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Infortrend RAID Controller Manual

Infortrend RAID Controller Manual

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In-band SCSI:<br />

What is In-band SCSI?<br />

External devices require communication with the host computer for<br />

device monitoring and administration. Except for the regular RS-232,<br />

in-band SCSI can serve as an alternative means of management<br />

communication. The in-band SCSI technology translates the original<br />

commands into standard SCSI commands. These SCSI commands are<br />

then sent to and received by the controller using a SCSI cable.<br />

Peripheral Device Type Parameters for Various<br />

Operating Systems:<br />

A host can not “see” the controller UNLESS a logical unit has been<br />

created and mapped to host LUN via the RS-232/front panel<br />

interface; or that the "in-band SCSI" connection with the host is<br />

established. If users want to start configuring a <strong>RAID</strong> system from the<br />

host before any <strong>RAID</strong> configuration is made, the host will not be able<br />

to “see” the <strong>RAID</strong> controller. For instance, if user install the Javabased<br />

<strong>RAID</strong> manager on host computer, the in-band SCSI protocol<br />

should be applied to communicate between host and controller. In<br />

order for a host to “see” the controller, it will be necessary to define<br />

the controller as a peripheral device first.<br />

Different host operating systems require different adjustments. Look<br />

at the table below to find the proper settings for your host operating<br />

system. References to “Peripheral Device Qualifier” and “Device<br />

Support for Removable Media” are also included.<br />

Advanced Configurations 10-29

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