ZyXEL NAS326 User Guide - Page 51
Change RAID Type, Expand Volumes or Disk Groups
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Chapter 8 Storage Manager Change RAID Type You can change the following RAID types without losing stored data. This can help you manage your storage capacity as you add more disks. Table 9 Internal Volumes RAID TYPE Basic RAID 1 RAID 5 WHAT YOU CAN CHANGE IT TO RAID 1 RAID 1 with a hot spare or RAID 5 RAID 5 with a hot spare or RAID 6 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 10 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 Internal Storage screen's Manage link to repair the volume. Wait for the repair process to complete before you replace another disk. Use the Volume screen to configure and manage internal volumes. From the Internal Storage screen, click Volume to open the screen as shown. Cloud Storage User's Guide 51