Adaptec GDTSETUP Manual de usuario descargar pdf (Pagina 35)

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In some literature Disk Chaining is also called Disk Spanning. You can picture the functioning

mechanism of a type Chain Logical Drive as follows: all SCSI devices forming the Logical

Drive are linked together one by one in the exact same order in which they have been se-

lected with the <SPACE>-bar. This concatenation can be compared with a chain. If, for ex-

ample, the Logical Drive consists of 4 SCSI devices with 2000MB each, the Logical Drive will

have a capacity of 8000MB. When data is written to this Logical Drive, the first SCSI device

is filled first, then the second, and so on.

Although it is not advisable, Logical Drives of the type Chain, can also be components of

Array Drives.

Select the SCSI devices with the <SPACE>-bar and then confirm with <ENTER>.

A security request appears. If you confirm with <Y >, GDTSETUP allows you to limit the size

of the Logical Drive. This becomes interesting when you configure later on an Array Drive

with several identical Logical Drives and you want to make sure that you get appropriate

spare hard disks in the future. It would be bad luck if the new hard disk would have 4100MB,

only. It simply wouldn't fit into the Array Drive. If you limit from the beginning the capacity

to e.g., 4000MB, you can be sure that all future 4GB hard disk will have at least 4000MB and

thus can be used as spare hard disk.

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Adaptec GDTSETUP Manual de usuario Pagina 35