Convention Description
{ } 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.
This document uses the following icons to draw attention to information:
Icon Label Description
Note Calls attention to important or additional information.
Tip Provides helpful information, guidelines, or suggestions for
performing tasks more eectively.
Caution Warns the user of adverse conditions and/or consequences
(for example, disruptive operations, data loss, or a system
crash).
WARNING Warns the user of a hazardous situation which, if not
avoided, could result in death or serious injury.
Conventions for storage capacity values
Physical storage capacity values (for example, disk drive capacity) are calculated based
on the following values:
Physical capacity unit Value
1 kilobyte (KB) 1,000 (10
3
) bytes
1 megabyte (MB) 1,000 KB or 1,000
2
bytes
1 gigabyte (GB) 1,000 MB or 1,000
3
bytes
1 terabyte (TB) 1,000 GB or 1,000
4
bytes
1 petabyte (PB) 1,000 TB or 1,000
5
bytes
1 exabyte (EB) 1,000 PB or 1,000
6
bytes
Conventions for storage capacity values
Preface
Hitachi Virtual Storage Platform 5000 Series Hardware Guide 7