User guide

viii Preface
Hitachi Unified Storage VM Block Module Hardware User Guide
Safety and environmental information
Intended audience
This document is intended for system administrators, Hitachi Data Systems
representatives, and authorized service providers who install, configure,
and operate the HUS VM storage system.
Readers of this document should be familiar with the following:
• Data processing and RAID storage systems and their basic functions.
• The Hitachi Unified Storage VM storage system and the Hitachi Unified
Storage VM Product Overview Guide.
• The Storage Navigator software for the Hitachi Unified Storage VM
storage system, and the Hitachi Storage Navigator User Guide.
Release notes
The Hitachi Unified Storage VM release notes provide information about the
HUS VM microcode (DKCMAIN and SVP), including new features and
functions and changes. The release notes are available on the Hitachi Data
Systems Portal: https://portal.hds.com
Product version
This document revision applies to HUS VM storage system firmware version
73-03-0x and later.
Document revision level
Changes in this revision
• Updated system description and specifications in Chapter 4, Site
preparation, and Appendix A, Specifications.
• Added DBF (flash module) drive box description and specifications in
Chapter 1, Introduction, Chapter 4, Site preparation, and Appendix A,
Specifications
Caution: Before operating or working on the Hitachi Unified Storage VM
storage system, read the safety and environmental information in Safety
requirements on page 3-1, and Regulatory Compliance on page D-1.
Revision Date Description
MK-92HM7005-00 September 2012 Initial release
MK-92HM7005-01 September 2012 Supersedes and replaces MK-92HM7005-00
MK-92HM7005-02 December 2012 Supersedes and replaces MK-92HM7005-01
MK-92HM7005-03 May 2013 Supersedes and replaces MK-92HM7005-02
MK-92HM7005-04 October 2013 Supersedes and replaces MK-92HM7005-03