Lenovo ThinkServer RD330 MegaRAID SAS Software User Guide - Page 93
drive. Select RAID 10.
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MegaRAID SAS Software User Guide Chapter 4: WebBIOS Configuration Utility | Creating a Storage Configuration Figure 50: WebBIOS Virtual Drive Definition Screen NOTE: The WebBIOS Configuration Utility shows the maximum available capacity while creating the RAID 10 drive group. In version 1.03 of the utility, the maximum size of the RAID 10 drive group is the sum total of the two RAID 1 drive groups. In version 1.1, the maximum size is the size of the smaller drive group multiplied by two. 18. Change the virtual drive options from the defaults listed on the screen as needed. Here are brief explanations of the virtual drive options: - RAID Level: The drop-down menu lists the possible RAID levels for the virtual drive. Select RAID 10. - Strip Size: The strip size is the portion of a stripe that resides on a single drive in the drive group. The stripe consists of the data segments that the RAID controller writes across multiple drives, not including parity drives. For example, consider a stripe that contains 64 KB of drive space and has 16 KB of data residing on each drive in the stripe. In this case, the stripe size is 64 KB and the strip size is 16 KB. You can set the strip size to 8, 16, 32, 64, 128, 256, 512, and 1024 KB. A larger strip size produces higher read performance. If your computer regularly performs random read requests, choose a smaller strip size. The default is 64 KB. - Access Policy: Select the type of data access that is allowed for this virtual drive: RW: Allow read/write access. Read Only: Allow read-only access. This is the default. Blocked: Do not allow access. Page 93