User guide

Preface ix
Hitachi Unified Storage VM Block Module Hardware User Guide
• Updated the RAID descriptions for the HUS VM system in Chapter 2,
Hardware architecture.
• Updated the SOMs and descriptions for the HUS VM system in Appendix
B, System option modes.
Referenced documents
Hitachi Unified Storage VM documentation:
• Hitachi Storage Navigator User Guide, MK-92HM7016
• Hitachi Unified Storage VM Product Overview Guide, MK-92HM7003
• Hitachi Unified Storage VM Block Module Provisioning Guide, MK-
92HM7012
• Hitachi Unified Storage VM Block Module Performance Guide, MK-
92HM7011
• Hitachi Volume Shredder User Guide, MK-92HM7021
A complete list of both Hitachi Unified Storage VM Block Module and File
Module documentation is located in Appendix A of the Hitachi Unified
Storage VM Procuct Overview Guide.
Document conventions
Hitachi Data Systems user manuals use the following typographic
conventions as needed to clarify information.
Convention Description
Bold Indicates the following:
• Text in a window or dialog box, such as menus, menu
options, buttons, and labels. Example: In the Add Pair
dialog box, click OK.
• Text appearing on screen or entered by the user. Example:
The -split option.
• The name of a directory, folder, or file. Example: The
CacheInfo.csv file.
Italic Indicates a variable, which is a placeholder for actual text
provided by the user or system. Example: copy source-file
target-file
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.