Preface li
Hitachi Unified Storage Hardware Service Guide
This document uses the following symbols to draw attention to important
safety and operational information.
Convention for storage capacity values
Physical storage capacity values (for example, disk drive capacity) are
calculated based on the following values:
Convention Description
Bold Indicates text on a window, other than the window title, including
menus, menu options, buttons, fields, and labels. Example: Click OK.
Italic Indicates a variable, which is a placeholder for actual text provided by
you or the system. Example: copy source-file target-file
Angled brackets (< >) are also used to indicate variables.
screen or
code
Indicates text that is displayed on screen or entered by you. Example:
# pairdisplay -g oradb
< > angled
brackets
Indicates a variable, which is a placeholder for actual text provided by
you or the system. Example:
# pairdisplay -g <group>
Italic font 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.
underline Indicates the default value. Example: [ a
| b ]
Symbol Meaning Description
Tip Tips provide helpful information, guidelines, or suggestions for
performing tasks more effectively.
Note Notes emphasize or supplement important points of the main
text.
Caution Cautions indicate that failure to take a specified action could
result in damage to the software or hardware.
WARNING Warns that failure to take or avoid a specified action could
result in severe conditions or consequences (for example, loss
of data).
Physical capacity unit Value
1 KB 1,000 bytes
1 MB 1,000 KB or 1,000
2
bytes
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