Hitachi HUS VM - Page 5

Normal Power on/off procedures..............................................................................5-4
Power on procedures........................................................................................ 5-4
Power off procedures........................................................................................5-5
Emergency power off/on procedure......................................................................... 5-5
Emergency power off procedure........................................................................ 5-5
Power on procedure after emergency power off..................................................5-6
Battery backup operations.......................................................................................5-6
Cache destage batteries....................................................................................5-7
Battery life..............................................................................................5-7
Long term array storage....................................................................................5-8
6 Troubleshooting....................................................................................6-1
Getting help........................................................................................................... 6-2
Solving problems.................................................................................................... 6-2
Service information messages..................................................................................6-2
A Specifications.......................................................................................A-1
System specifications.............................................................................................. A-2
Mechanical specifications.........................................................................................A-4
Electrical specifications............................................................................................A-5
Environmental specifications....................................................................................A-8
B System option modes........................................................................... B-1
System option modes..............................................................................................B-2
C Rack information ................................................................................. C-1
About the Hitachi Universal rack.............................................................................. C-2
Power considerations........................................................................................C-5
PDU specifications............................................................................................ C-6
Types of PDU plugs.................................................................................C-8
Power jumper cables...............................................................................C-9
Floor load ratings............................................................................................C-10
Universal Rail Kit............................................................................................ C-11
Installation and maintenance clearance area.................................................... C-13
Before installing a rack or equipment..................................................................... C-14
Safety precautions..........................................................................................C-14
Electrical and environmental requirements........................................................C-15
Installation safety................................................................................................. C-15
Precautions when using rack-mounted equipment.............................................C-16
Casters.................................................................................................C-16
Rack stability........................................................................................ C-16
Component weight and location............................................................. C-17
Height considerations............................................................................ C-18
Placing components in the rack.............................................................. C-18
Working with racks or components in the rack........................................................ C-19
Air vents and airflow.......................................................................................C-19
Blanking panels.............................................................................................. C-20
Cable guidelines............................................................................................. C-20
Power guidelines............................................................................................ C-20
Grounding requirements..................................................................................C-21
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Hitachi Unified Storage VM Block Module Hardware User Guide