Compaq StorageWorks 4100 - RAID Array User's Guide download pdf (Page 80)

Running the Array Configuration Utility 5-7

Step 2: Grouping physical drives of the same size

into an array

1. Click the Create Array button. The Create Drive Array screen appears.

Figure 5-4. Create Drive Array screen

NOTE: Always group physical drives of the same size. If you mix drive sizes, the capacity

of the larger drives is wasted.

Select the three drives you want to make up the array from the drives on

the left. For this example, the following drives were selected:

 Port 1:SCSI ID 0

 Port 1:SCSI ID 1

 Port 1:SCSI ID 2

2. Click the Assign Drive(s) to Array button.

NOTE: Given the reliability of a particular generation of hard drive technology, the

probability of an array experiencing a drive failure increases with the number of drives in

an array. Compaq recommends that you limit the number of drives in an array to 14.

3. Select the drive at Port 1:SCSI ID 3 and click the Assign Spare to Array

button update as advised. The Create Array screen should look similar

to the following figure.

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 162 163

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Compaq StorageWorks 4100 - RAID Array User's Guide Page 80