Creating a Disk Array

Creating a Disk Array

You can create disk arrays from the existing drives. Later, storage capacity can be added to the server without disturbing existing data by installing additional hard disk drives and creating additional arrays.

To create a disk array:

Start the RAID configuration program. See 'Starting the RAID Configuration Program', or insert the IBM SCSI-2 Fast/Wide PCI-Bus Adapter Configuration Option Diskette into the primary diskette drive and power-on the system. If the system already is powered-on, press Ctrl+Alt+Del.
Select Start RAID Configuration Program from the PC DOS start-up menu, the Main Menu appears.
NOTE: To create an array using hard disks in an existing array, refer to 'Redefining Space in an Array'.
Select Create/delete array from the Main Menu.
Select Create disk array from the Create/Delete Array menu.
The cursor will be active in the Bay/Array selection list.

In the following step, when you press Enter to select a drive for an array, you cannot deselect it by pressing Enter again, as you can with the hot-spare selection process. Carefully determine which drives you want to include in the array before beginning the selection process.
If you change your mind after selecting the drives for an array, you can delete the array (by selecting Delete disk array from the Create/Delete Array menu) and begin again.
Select each drive you want in the array by using the Up Arrow ( ) key or the Down Arrow ( ) key to highlight the drive and then pressing Enter. As you select each drive, the status will change from RDY (Ready) to ONL (Online).
When you have selected all the drives you want to include in the array, press Esc. The cursor will become active in the menu.
If you have drives you did not use in this array and you want to create another array, you can do one of the following:
- Define the logical drive or drives for this array, then create another array and its logical drives. See 'Defining Logical Drives'.
- Create another array now by repeating steps 2 through 5 in this procedure, then define logical drives for both arrays.
  NOTE: You must define at least one logical drive for each created array before you can exit from the configuration program.
- Continue with 'Defining Logical Drives'

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