ZyXEL NAS540 User Guide - Page 37

Chapter 4 Web Configurator Basics Expand Volumes or Disk Groups As your content grows, you can do the following to expand the storage capacity of a volume or disk group without losing stored data. Table 9 Expand Volumes and Disk Groups EXPANSION METHOD Using unallocated disk space Adding disks DESCRIPTION You can add more storage space to a volume if there is still some space unallocated on the same disk group. You can add one or more disks to a JBOD, RAID 1 or RAID 5. Replacing with larger disks The hard disk you want to add must have capacity equal to or greater than the smallest disk in the volume or disk group. You can replace smaller disks in a RAID 1, RAID 5, or RAID 6 with larger disks. Replace disks one-by-one. Replace the smallest disk in the volume or disk group first. After replacing a disk, you must use the Storage screen's Manage link to repair the volume. What for the repair process to complete before you replace another disk. Use the Volume screen to configure and manage internal volumes. From the Storage screen, click Volume to open the screen as shown. Note: Configure and manage external volumes through the administrator mode. See Section 4.6 on page 84 for more information. Figure 22 Storage Volume NAS540 User's Guide 37