Convention Description
Angle brackets are also used to indicate variables.
Monospace
Indicates text that is displayed on screen or entered by the user.
Example: # pairdisplay -g oradb
< > angle brackets Indicates a variable, which is a placeholder for actual text
provided by the user or system. Example: # pairdisplay -g
<group>
Italic is also used to indicate variables.
[ ] square brackets Indicates optional values. Example: [ a | b ] indicates that you
can choose a, b, or nothing.
{ } braces Indicates required or expected values. Example: { a | b }
indicates that you must choose either a or b.
| vertical bar Indicates that you have a choice between two or more options or
arguments. Examples:
[ a | b ] indicates that you can choose a, b, or nothing.
{ a | b } indicates that you must choose either a or b.
Hitachi Data Systems user manuals use the following icons to draw attention
to information.
Icon Meaning Description
Tip Helpful information, guidelines, or suggestions for performing
tasks more effectively.
Note Information that is important or essential to the completion of
a task.
Caution Failure to take a specified action can result in adverse
conditions or consequences such as damage to the software or
hardware
WARNING Failure to take a specified action can result in severe
conditions or consequences such as in loss of data or serious
damage to hardware.
ELECTRIC
SHOCK
HAZARD
Failure to take appropriate precautions such as not opening or
touching hazardous areas of the equipment could result in
injury or death.
Convention for storage capacity values
Physical and logical storage capacities of disk drives in Hitachi Data Systems
storage products are calculated based on the following values:
Physical Disk Capacity
1 KB = 1,000 bytes
1 TB = 1,000
4
bytes
x
Preface
Hitachi Unified Storage VM Block Module Hardware User Guide
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