52Chapter 3: ASUS Storage Setup• For DAS and SAN, enter an Alias (name) for the logical drive.An Alias is optional. Use letters, numbers, space between words, andunderscore. An Alias is optional.• iSCSI only. For NAS, enter a Mount Point (name) for the logical drive.Maximum of 20 characters. Use letters, numbers, space betweenwords, and underscore. A Mount Point is required.3. From the RAID Level dropdown list, choose a RAID level for this logicaldrive.All RAID levels supported by the disk array appear in the list. See ―Choosinga RAID Level‖ on page 3324. RAID 50 and 60 only – Specify the number of axles for your array.5. Specify a Capacity and the unit of measure (B, KB, MB, GB, TB).This value will be the data capacity of the first logical drive in your new diskarray. If you specify less than disk array's maximum capacity, the remainingcapacity is available for additional logical drives that you can create now orlater.6. For the following items, accept the default or choose a new value from thedropdown menu:• Stripe size. 128 KB is the default.64 KB, 128 KB, 256 KB, 512 KB, and 1 MB are available.• Sector size. 512 B is the default.512 B, 1 KB, 2 KB, and 4 KB are available.• Read (cache) Policy. Read Ahead is the default.Read Cache, Read Ahead Cache, and No Cache are available.• Write (cache) Policy. Write Back is the default.Write Back and Write Through (Thru) are available.7. Click the Update button.A new logical drive is displayed under New Logical Drives. If there is freecapacity remaining, you can specify another logical drive now or wait untillater.8. When you are done specifying logical drives, click the Next button.