American Megatrends MegaRAID Express 500 - Manual (Page 53)

Chapter 5 Configuring MegaRAID Express 500 39
5 Configuring MegaRAID Express 500
Configuring SCSI Physical Drives
SCSI Channel 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.
Your MegaRAID Express 500 adapter has one SCSI channel.
Basic Configuration Rules You should observe the following guidelines when connecting and
configuring SCSI devices in a RAID array:
•
attach non-disk SCSI devices to a single SCSI channel that does not have
any disk drives,
•
you can place up to eight physical disk drives in an array,
•
include all drives that have the same capacity to the same array,
•
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, and
•
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.