RAID Configuration

On the RAID Information screen, press the Config button to go to the RAID Configuration screen. In addition to RAID disk information and status, this screen lets you make RAID configuration settings.

With one hard disk installed, JBOD is the default setting. If an eSATA hard disk is connected to the N199, the RAID 1 option is enabled.

For more information on RAID, see Appendix C: RAID Basics.

RAID Level

The storage volume can either read as None, JBOD, or RAID 1. RAID 1 is only available if an eSATA hard disk is properly connected. RAID configuration is usually required only when you first set up the device. A brief description of each RAID setting follows:

RAID Levels

Level

Description

None

There is no existing storage volume.

JBOD

The storage volume is a single HDD with no RAID support. JBOD

 

requires a minimum of 1 disk.

RAID 1

Offers disk mirroring. Provides twice the read rate of single

 

disks, but same write rate. RAID 1 requires a minimum of 2

 

disks.

WARNING

If a hard disk is removed that shound not be removed when RAID status is

degraded, all data will be lost.

Disk Settings

Using Disk Settings, you can select stripe size, choose which disks are RAID disks.

Disk Settings

Item

Description

RAID

Check the boxes of the hard drives you wish to add to the

 

storage volume.

Stripe Size

This sets the stripe size to maximize performance of sequential

 

files in a storage volume. Keep the 64K setting unless you

 

require a special file storage layout in the storage volume. A

 

larger stripe size is better for large files.

Create RAID

Press this button to configure a file system and create the RAID

 

storage volume.

Remove

Click to remove the RAID volume. All user data will be removed.

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Thecus Technology Thecus N199 user manual RAID Configuration, Disk Settings, RAID Levels