Lenovo ThinkServer RD240 MegaRAID SAS Software User Guide - Page 175

Table 5.1 Command Line Abbreviations Abbreviation WB WT ADRA RA NORA DIO CIO Description WriteBack write policy WriteThrough write policy Adaptive Read Ahead read policy Read Ahead read policy Normal Read policy (No read ahead) Direct I/O cache policy Cached I/O cache policy 5.3.2 Conventions There are some options for which you can specify multiple values. You can enter commands for a single controller (-aN), multiple controllers (-a0,1,2) or work on all present controllers (-aALL). This is denoted as -aN|-a0,1,2|-aALL in this document and specifies that you can enter commands for one controller, multiple controllers, or all controllers. Note : All options in the MegaRAID Command Tool are positiondependent, unless otherwise specified. Table 5.2 describes the conventions used in the options. Table 5.2 Conventions Convention | -aN -a0,1,2 -aALL -Lx -L0,1,2 -Lall Description Specifies "or," meaning you can choose between options. N specifies the controller number for the command. Specifies the command is for controllers 0, 1, and 2. You can select two or more controllers in this manner. Specifies the command is for all controllers. x specifies the virtual drive number for the command. Specifies the command is for virtual drives 0, 1, and 2. You can select two or more virtual drives in this manner. Specifies the command is for all virtual drives. Command Line Abbreviations and Conventions 5-5