Configuration Mode

Configuration Mode

You can use the Configuration mode to create up to eight independent disk arrays for each ServeRAID controller. The Configuration mode provides two configuration paths: Express Configuration  and Custom Configuration. 

Express Configuration provides a quick and easy path for you to automatically configure your ServeRAID controller.

This choice creates the most efficient ServeRAID configuration based on the number and capacity of the Ready drives available in your system. If four or more Ready drives of the same capacity are available, this choice also will define a hot-spare drive  for the ServeRAID adapter or controller. A hot-spare drive is a physical drive that is defined for automatic use when a similar drive fails.

The Express Configuration choice groups up to 16 Ready drives of the same capacity into one disk array and defines one logical drive for each array. This choice defines the size of the logical drive, based on the amount of free space available, and it assigns the highest RAID level possible, based on the number of physical drives available.

For example, if your server contains one 1024 MB Ready drive, two 2150 MB Ready drives, and four 4300 MB Ready drives, Express Configuration will create three arrays and one hot-spare drive as follows:

Array A: The total capacity of this array is 1024 MB (1 x 1024 MB) and it contains one 1024 MB RAID level-0 logical drive.

Array B: The total capacity of this array is 4300 MB (2 x 2150 MB) and it contains one 2150 MB RAID level-1 logical drive.

Array C: The total capacity of this array is 12900 MB (3 x 4300 MB) and it contains one 8600 MB RAID level-5 logical drive.

Hot Spare: Express Configuration defines one of the four 4300 MB drives as a hot-spare drive, as follows:

•  When there are four or more Ready  drives of the same capacity, Express  Configuration groups three of the drives  into one array (as in Array C) and  defines one of the drives as a hot spare.
•  A hot-spare drive must be of equal or  greater capacity than the drive that it is  intended to replace. In this  configuration, the 4300 MB drive can  replace any failed drives in Array B or Array C.

Using Express Configuration

To use the Express Configuration path:

1.  Click on the ServeRAID controller that you want to configure in the Main Tree.
2.  Click on the Express Configuration radio button.
3.  Click on the Next button.
4.  Review the information that appears on the Configuration Summary screen.

   Notes:

    1. Some operating systems have size  limitations for logical drives. Before you  save the configuration, you might want to  verify that the size of the logical drive is  appropriate for your operating system. See  your operating-system documentation for  more detailed information.

    2. To change the configuration, click on a  Modify icon button.

5.  Click on the Apply button to accept and save the configuration.
6.  If you have not already done so, install your operating  system. See the server documentation or the  documentation provided with your operating system  for more information.

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