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Drive Configuration

Manual No. 775029 2-19

How Do I Do a Custom Configuration?

Custom Configuration gives you full control over the configuration of your

disk drives. With Custom Configuration, you can:

• Select individual disk drives to add to the configuration

• Build multiple arrays

• Configure logical drives individually

• Select a specific RAID level

• Select the write caching method (Write-Thru or Write-Back)

• Set the stripe size

• Set logical drive size by physical or logical capacity

• Add capacity to an existing array

• Assign additional spare drives or unassign existing spare drives

• Enable spanning to create a configuration of larger drive sets

Once you’ve selected Custom from the Configure RAID Drive screen, the

Custom Configuration menu is displayed (Figure 2-19).

Figure 2-19. Custom Configuration Menu

The first option on the menu, “Configure a New Disk Array,” is used to build

new disk arrays, then optionally define logical drives from them.

If you want to add capacity to an existing disk array, see “How Do I Add

Capacity to an Existing Disk Array?” on page 2-29.

If you want to define logical drives on existing disk arrays, see “How Do I

Define Additional Logical Drives?” on page 2-40.

If you have any currently unconfigured drives that you want to assign as

spare drives, see “How Do I Assign Additional Spare Drives?” on page 2-46.

If you have any currently assigned spare drives that you want to unassign

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Mylex AcceleRAID 250 Informations techniques Page 61