# Choosing between Express and Custom configuration

In the Configuration wizard, you can choose from two paths to configure your integrated RAID controller subsystem:

- Click Express configuration for a quick and easy path for you to automatically configure your integrated RAID controller.

  Express configuration does the following:

  - Creates an array by grouping the first two physical drives that appear in the Physical devices view.
  - Creates a RAID level-1 logical drive.

  Note: If you click Express, you will have the opportunity to review and approve the configuration before the ServeRAID Manager applies the configuration. If you need to modify the configuration, you can do so from the configuration summary.

- Click Custom configuration for a path that lets you to manually configure your integrated RAID controller. Choose this path to do any of the following:
  - Configure your controller manually.
  - Select the two physical drives that you want to configure.
  - Create a hot-spare drive.
  - Preserve data on a mirror primary drive .
  Using this path, you can:
  - Select the physical drives that you want to include in the array and that you want to use as a hot-spare drive.
  - Review the configuration summary.

To initialize the new logical drives, click Automatically initialize new logical drives. Initializing a logical drive erases the first 1024 sectors on the drive and prevents access to any data previously stored on the drive. You can initialize the drive later if you do not choose automatic initialization.

When you are ready to continue, click Next.

## More information

- Understanding stripe-unit size
- Initializing a logical drive

Glossary | Contents

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