Lenovo ThinkServer RD330 MegaRAID SAS Software User Guide - Page 211
Enclosure-Related, Options
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MegaRAID SAS Software User Guide Chapter 5: MegaRAID Command Tool | Enclosure-Related Options 5.15.17 Set the Mapping Mode of the Drives to the Selected Controller(s) Use the command in the following table to set the mapping mode of the physical devices connected to the selected controller(s). Table 102: Set the Mapping Mode of the Drive to the Selected Controller Convention Description MegaCli -DirectPdMapping -Enbl|-Dsbl|-Dsply -aN|-a0,1,2|-aALL Sets the mapping mode of the drives connected to the specified controller(s). Enbl: Enables the direct physical drive mapping mode. Dsbl: Disables the direct physical drive mapping mode. Dsply: Displays the current state of the direct physical drive mapping. 5.15.18 Perform the Copyback Operation on the Selected Drive Use the command in the following table to the perform the Copyback Operation on the selected Drive. The copyback feature allows you to copy data from a source drive of a virtual drive to a destination drive that is not a part of the virtual drive. Copyback is often used to create or restore a specific physical configuration for a drive group (for example, a specific arrangement of drive group members on the device I/O buses). Typically, when a drive fails or is expected to fail, the data is rebuilt on a hot spare. The failed drive is replaced with a new disk. Then the data is copied from the hot spare to the new drive, and the hot spare reverts from a rebuild drive to its original hot spare status. The copyback operation runs as a background activity, and the virtual drive is still available online to the host. Table 103: Perform the Copyback Operation on the Selected Drive Convention Description MegaCli -PDCpyBk -Start | -Stop|-ShowProg|-ProgDsply -PhysDrv[E0:S0] -aN|-a0,1,2|-aALL Performs the copyback operation on the selected physical drive. Start: Initializes the copyback operation on the selected drive. Stop: Stops the copyback operation on the selected drive. ShowProg: Displays a snapshot of the ongoing copyback operation. ProgDsply: Allows you to view the ongoing copyback operation. The routine continues to display progress until at least one copyback is completed or a key is pressed. -Physdrv[E0:S0,...]: Specifies the physical drive enclosure and the slots for the drives. 5.16 Enclosure-Related Options The commands in this section are used for enclosures. 5.16.1 Display Enclosure Information Use the command in the following table to display enclosure information for selected controller(s). Table 104: Display Enclosure Information Convention Description MegaCli -EncInfo -aN|-a0,1,2|-aALL Displays information about the enclosure for the selected controller(s). Page 211