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84 Configuring PERC 3
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Configuring SCSI Physical Drives
Physical SCSI drives must be organized into logical drives. The arrays and
logical drives that you construct must be able to support the RAID) level
that you select.
Observe the following guidelines when connecting and configuring SCSI
devices in a RAID array:
• You can place up to 32 physical disk drives in an array.
• Include all drives that have the same capacity in the same array. If the
drives are not the same size, the array uses the size of the smallest drive
and the same amount of space on the other drives to construct the
arrays.
• Make sure any hot spare has a capacity that is at least as large as the
largest drive that may be replaced by the hot spare.
• When replacing a failed drive, make sure that the replacement drive
has a capacity that is at least as large as the drive being replaced.
Current Configuration
Your PERC 3 card has one (SC), two (DC, DCL), or four channels (QC),
depending on which card you have. Use Table 7-1 to list the devices that
you assign to each SCSI ID for SCSI Channel 0.
Table 7-1. Current Configuration for SCSI
Channel 0
SCSI ID Device Description
SCSI Channel 0
0
1
2
3
4
5
6