Netgear RN3138 Software Manual - Page 94

ReadyNAS OS 6.4 3. Click the New LUN button to the right of the volume to which you want to add a LUN. 4. Configure the settings as explained in the following table: Item Name Description Bit Rot Protection (Copy-on-write) Compression Snapshot Schedule Description A unique name to identify the LUN. Do not include spaces in the name. All characters must be alphanumeric. An optional description to help identify the LUN. Select the Bit Rot Protection (Copy-on-write) check box to enable bit-rot protection. For information, see Bit Rot Protection on page 49. Enabling bit rot protection also enables copy-on-write. Over time, copy-on-write increases disk fragmentation. Select the Compression check box to enable data compression. Compression saves storage space and increases the speed of data transfers, but the compression and decompression processes require additional resources. By default, the Compression check box is cleared. Select from the Snapshot Schedule menu to enable data protection through snapshots and configure how often snapshots are taken. • Never. Snapshots are not taken. • Hourly. A snapshot is taken every hour on the hour. • Daily. A snapshot is taken every day at midnight. This is the default setting. • Weekly. A snapshot is taken every week on Friday at midnight. For more information about snapshots, see Chapter 5, Snapshots on page 119. LUNs 94