By iron horse NAS, you can merge multiple hard for a single storage device, called a storage pool volume can be on the storage pool is created, if the storage pool can allocate space, can expand the volume, different types of RAID can provide different levels of data protection,
How to create the storage pool?
1. The TOS control panel - storage management - storage pool;

2. Click "create" button;

3. Check the want to join the hard disk storage pool, choose the array type, click the "next";

4. Confirm whether delete data;

5. Click on "confirm" to complete your Settings;

6. Storage pool to create;

7. Storage pool has been created, you can also edit to its, including repair, add a new hard drive, upgrade array, etc.,