ZyXEL NAS520 User Guide - Page 56
Managing a Volume - review
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Chapter 8 Storage Manager Table 12 Create Volume (continued) LABEL Disk Name Size Model Name Choose a RAID type DESCRIPTION Select one or more hard disks where you want to create a volume. Use the check box on the top to select or unselect all entries in this column. This field shows the name of the hard disk. This field shows the total disk size. This field shows the model of the hard disk. Select a RAID type from the drop-down list box. The corresponding space allocations of available size, data protection area, and wasted size display. Use Basic with one disk. Use JBOD with two or more disks for maximum capacity. Use RAID 0 with two or four disks for maximum speed. Use RAID 1 with two or more disks to mirror primary data to another disk(s) with high performance. Use RAID 5 with three or more disks to balance performance, hard disk capacity usage with data protection in case of disk failure. Use RAID 6 with four disks for more data protection in case of disk failure. Use RAID 10 with four disks to get better performance than RAID 6, with slightly less data protection. See Table 8 on page 50 or Section 8.6 on page 98 for more information. Note: Use the same capacity of hard disks for RAID 1, 5, 6, or 10 to avoid wasting space. Back This button is not available at this step. Next Click Next to go to the next step. Cancel Click Cancel to close the screen without saving any settings. Step 2. Summary Use this screen to review the settings you configured in the last step. Disk Selected This field displays the hard disks you have selected. RAID Type This field displays the type of RAID on which the volume will be built. Volume Type This field displays the type of the volume, Single volume on RAID (no disk group). Volume Name This field displays the name of the volume. Volume Capacity This field displays the size of the volume. Back Click Back to go to the previous step. Apply Click Apply to save the settings. Cancel Click Cancel to close the screen without saving any settings. 8.3.2 Managing a Volume Use the Manage Volume screen to repair, expand a volume or change the volume's RAID type. In the Internal Storage > Volume screen, select a volume and then click Manage in the Volume section to open the screen as shown. The available options vary depending on the conditions it matches. For example, the Repair RAID option is available only when a degraded volume is selected. Cloud Storage User's Guide 56