Thecus Technology 1U4500R User Manual

 

 
 

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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. 

RAID 5 

Data striping and stripe error correction information provided. 
Excellent performance and good fault tolerance. RAID 5 requires 

a minimum of 3 disks. RAID 5 can sustain one failed disk. 

RAID 6 

Two independent parity computations must be used in order to 
provide protection against double disk failure. Two different 

algorithms are employed to achieve this purpose. RAID 6 

requires a minimum of 4 disks. RAID 6 can sustain two failed 
disks. 

RAID 10 

RAID 10 has high reliability and high performance. RAID 10 is 
implemented as a striped array whose segments are RAID 1 

arrays. It has the fault tolerance of RAID 1 and the performance 

of RAID 0. RAID 10 requires 4 disks. RAID 10 can sustain two 

failed disks. 

Using Disk Settings, you can select stripe size, choose which disks are RAID 
disks or the Spare Disk, as well as enter a name for each disk. 

 

Item Description 
RAID 

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

storage volume. 

Spare 

Check a box to designate the replacement HDD for the storage 

volume. This becomes the backup for any damaged hard drives. 

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. 

User Percentage 

Data Percentage: The percentage of the RAID volume that will 

be used to store data. 

Target USB Percentage: The percentage of RAID volume that 

will be used as USB disk. 
Snapshot Percentage: The rest of the RAID volume will be 

used to store the Snapshot. 

Add Linear 

Under JBOD mode, if you would like to add more disks to the 

current RAID, select a disk by clicking on the checkbox in the 

RAID column for that disk and click Add Linear to add the new 
disk into the RAID volume. 

Add Spare 

Press this button to add a new Spare disk. 

Remove 

Click to remove the RAID volume. All user data, snapshot, and 

Target USB data will be removed. 

Create RAID 

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

storage volume. 

To create a RAID volume, follow the steps below: 

 

1.  On the RAID Configuration screen, set the RAID storage space as JBOD, 

RAID 0, RAID 1, RAID 5, RAID 6, or RAID 10 — see 

 for a detailed description of each. 

 

2.  Tick the checkboxes of the hard disks you wish to use to create a RAID.