Configuring Your Server 4-517. Press F10 to create virtual drive.The "Virtual Drives Configure" screen appears. (The figure below shows an example ofRAID1 configured with two hard disk drives.)8. Select "RAID," "Size", "DWC", "RA", or "Span" by using cursor keys. Then press Enterto fix the selection and set each value.(1) "RAID": Sets RAID level.Parameter Remarks0 RAID01 RAID110 Striping of RAID1The selectable RAID level varies depending on the number of hard disk drivesthat configure a pack.(2) "Size": Sets virtual drive size.Up to 8 virtual drives can be created per RAID Controller.(3) "DWC": Sets parameter for Disk Write Cache.Parameter RemarksOff Write throughOn *1 Write back*1 Recommended setting."Write-back On" enables good performance, however, cache data may be lostat an unexpected power failure. "Write-back Off" reduces performance byapproximately 50%.(4) "RA": Sets parameter for Read Ahead.Parameter RemarksOff Does not perform read ahead.On Performs read ahead.
