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The following summary gives you an overview of all Host Drive types you can create with
the GDT firmware.
The ICP Controller can simultaneously control several Host Drives of
most various types.
For instance, MS-DOS drive C could be a Host Drive of the type disk (consisting of a single
hard disk), MS-DOS drive D is a type RAID 5 Array Drive, MS-DOS drive E is a Host Drive of
the type chain, and MS-DOS drive F is a CD-ROM which communicates with MS-DOS
through corelSCSI and the GDT ASPI manager.
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SCSI devices which can be configured with GDTSETUP are called Direct Access Devices (SCSI
devices such as hard disks or removable hard disks, or other devices behaving like a hard
disk). SCSI devices other than SCSI hard disks or removable hard disks, or devices that do
not behave like them, are called Not Direct Access Devices.
They are not configured with
GDTSETUP and cannot form Host Drives.
These SCSI devices are either run through the
ASPI interface (Advanced SCSI Programming Interface) (MS-DOS, Windows, Novell Net-
Ware or OS/2), or they are directly accessed from the operating system (true for UNIX and
Windows NT). For details on how to operate these devices, please refer to the correspon-
ding chapters of this manual.
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Any installation or maintenance procedures regarding the ICP Controller are carried out
with the configuration program
GDTSETUP
. The monitoring program
GDTMON
allows
continuous monitoring and maintenance of the ICP Controller and the connected Array
Drives. The GDTMON utility also include options to replace a defective drive with a new
one (Hot Plug) and is available for most of the operating systems supported by the ICP
Controllers. GDTSETUP allows you to set up single disks or complex Array Drives with
simple and user-friendly installation procedures. Little previous knowledge is needed to be
able to use GDTSETUP efficiently. It is only necessary to understand the hierarchy levels in
the ICP Controller firmware. For the user's convenience the GDTSETUP program is available
in two different variants:
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