Conventions - Lenovo ThinkServer RD240 Software User's Manual

5.3.2

Conventions

Table 5.2 Conventions
Convention Description
Specifies "or," meaning you can choose between options.
|
N specifies the controller number for the command.
-aN
Specifies the command is for controllers 0, 1, and 2. You can select two or more
-a0,1,2
controllers in this manner.
Specifies the command is for all controllers.
-aALL
x specifies the virtual drive number for the command.
-Lx
Specifies the command is for virtual drives 0, 1, and 2. You can select two or
-L0,1,2
more virtual drives in this manner.
Specifies the command is for all virtual drives.
-Lall
Table 5.1 Command Line Abbreviations
Abbreviation
WB
WT
ADRA
RA
NORA
DIO
CIO
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 position-
dependent, unless otherwise specified.
Table 5.2 describes the conventions used in the options.
Command Line Abbreviations and Conventions
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
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