Dell 341-7212 User Guide - Page 38
Changing a Virtual Disk Configuration
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You can change the Read Policy, Write Policy, and other properties of a virtual disk at any time after the virtual disk is created. To do this, follow these steps: 1 Select the Logical View tab in the left panel of the Dell SAS RAID Storage Manager screen. 2 Select a virtual disk icon in the left panel of the window. 3 In the right panel, select the Operations tab, and then select Set Virtual Disk Properties. A list of Virtual Disk Properties appears in the right panel. The properties include the Read Policy, Default Write Policy, an option for Write Through for a failed or missing battery, IO policy, Access Policy, Disk Cache Policy, and Background Initialization. 4 Change the virtual disk properties as needed in the right panel. For information on these properties, see Understanding Virtual Disk Parameters. 5 Click Go to accept the changes. Changing a Virtual Disk Configuration You can use the Dell SAS RAID Storage Manager Reconstruction Wizard to change the configuration of virtual disks on a Dell system with a PERC 5/i controller or a PERC 6/i controller. You can change the configuration for virtual disks at the following RAID levels for these RAID controllers: • PERC 5/i controller: RAID 0, RAID 1, and RAID 5 • PERC 6/i controller: RAID 0, RAID 1, RAID 5, and RAID 6 NOTICE: Be sure to back up the data on the virtual disk before you change its configuration. The Reconstruction Wizard allows you to change a virtual disk configuration by adding disk drives to the virtual disk, removing disk drives from it, or changing its RAID level. NOTE: You cannot change the configuration of a RAID 10 virtual disk. You cannot change a RAID 0, RAID 1, RAID 5, or RAID 6 configuration if two or more virtual disks are defined on a single disk group. (The Logical view tab shows which disk groups and disk drives are used by each virtual disk.) 38 Configuration