Lenovo ThinkServer RD240 MegaRAID SAS Software User Guide - Page 204
Prepare the Uncon d Drive for Removal, 5.11.13 Display Total Number of Drives
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Table 5.55 Replace Configured Drive(s) and Start Automatic Rebuild (Cont.) Description Replaces the configured drives that are identified as missing and then starts an automatic rebuild. 5.11.12 Prepare the Unconfigured Drive for Removal Use the command in Table 5.56 to prepare the unconfigured drive(s) for removal from the selected controller(s). Table 5.56 Prepare Unconfigured Drive(s) for Removal Convention Description MegaCli -PDPrpRmv [-Undo] - PhysDrv[E0:S0,E1:S1....] -aN|-a0,1,2|-aALL Prepares unconfigured drive(s) for removal. The firmware will spin down this drive. The drive state is set to unaffiliated, which marks it as offline even though it is not a part of configuration. The -Undo option undoes this operation. If you select undo, the firmware marks this drive as unconfigured good. 5.11.13 Display Total Number of Drives Use the command in Table 5.57 to display the total number of drives attached to an controller. Drives can be attached directly or through enclosures. Table 5.57 Display Number of Drives Attached to an Controller Convention Description MegaCli -PDGetNum -aN|-a0,1,2|-aALL Displays the total number of drives attached to an controller. Drives can be attached directly or through enclosures. The return value is the number of drives. 5.11.14 Display List of Physical Devices Use the command in Table 5.58 to display a list of the physical devices connected to the selected controller(s). Table 5.58 Display List of Physical Devices Attached to Controller(s) Convention Description MegaCli -PDList -aN|-a0,1..|-aAll Displays information about all drives and other devices connected to the selected controller(s). This includes information such as the drive type, capacity (if a drive), serial number, and firmware version of the device. For SAS devices, this includes additional information such as the SAS address of the device. For SAS expanders, this includes additional information such as the number of drives connected to the expander. 5-34 MegaRAID Command Tool