Hitachi AMS 2100, Service Manual

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Preface xii
Hitachi AMS 2000 Family Storage System Service Guide
The following typographic conventions are used in this document.
Convention for storage capacity values
Physical storage capacity values (e.g., disk drive capacity) are calculated
based on the following values:
Electrostatic
Sensitive The ESD symbol warns users that the equipment is sensitive to
electrostatic discharge (ESD) and could be damaged if users do not take
appropriate precautions such as using an anti-static wrist strap when
touching or handling the equipment.
Burn Hazard HOT SURFACE! Turn off power and allow to cool before touching.
Sharp Edges
or Corners WARNING! Sharp edges or corners. Avoid touching or wear gloves
Symbol Meaning Description
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
the user or system. Example: copy source-file target-file
Angled brackets (< >) are also used to indicate variables.
screen/code Indicates text that is displayed on screen or entered by the user.
Example:
# pairdisplay -g oradb
< > angled
brackets Indicates a variable, which is a placeholder for actual text provided by
the user or 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 ]
Physical capacity unit Value
1 KB 1,000 bytes
1 MB 1,000 KB or 1,000
2
bytes
1 GB 1,000 MB or 1,000
3
bytes
1 TB 1,000 GB or 1,000
4
bytes
1 PB 1,000 TB or 1,000
5
bytes
1 EB 1,000 PB or 1,000
6
bytes