Hitachi HUS VM - Page 4

Array groups and RAID levels............................................................................ 2-3
RAID 1................................................................................................... 2-3
RAID 5................................................................................................... 2-5
RAID 6................................................................................................... 2-8
Sequential data striping.................................................................................... 2-8
LDEV striping across array groups......................................................................2-9
Systems operations............................................................................................... 2-10
Compatibility and functionality......................................................................... 2-10
Systems host platform support........................................................................ 2-11
System configuration...................................................................................... 2-11
Host Modes and host mode options........................................................................2-12
Storage Navigator................................................................................................. 2-12
3 Safety requirements..............................................................................3-1
General safety guidelines.........................................................................................3-2
Work safety guidelines............................................................................................ 3-2
Warning about moving parts............................................................................. 3-3
Electrical safety guidelines....................................................................... 3-3
4 Site preparation....................................................................................4-1
Safety requirements................................................................................................4-2
Responsibilities....................................................................................................... 4-2
User responsibilities.......................................................................................... 4-2
Hitachi Data Systems responsibilities..................................................................4-2
Site Preparation checklist.........................................................................................4-3
General site requirements........................................................................................4-5
Equipment clearances....................................................................................... 4-5
Equipment weight.............................................................................................4-6
Storage Requirements.......................................................................................4-7
Data center requirements........................................................................................4-7
System specifications and requirements....................................................................4-7
Mechanical specifications...................................................................................4-8
Electrical specifications......................................................................................4-8
Grounding.............................................................................................. 4-9
Power connection....................................................................................4-9
Component weight, heat, airflow, and power consumption................................ 4-12
Environmental specifications............................................................................4-14
Airflow........................................................................................................... 4-15
Equipment noise.............................................................................................4-15
Service clearance, floor cutout, and floor load rating................................................4-15
Single rack configuration................................................................................. 4-16
Operational requirements...................................................................................... 4-16
Data cabling......................................................................................................... 4-17
Block module..................................................................................................4-17
File module.................................................................................................... 4-19
5 Power On/Off procedures......................................................................5-1
Safety and environmental information...................................................................... 5-2
Power controls and indicators.................................................................................. 5-2
Standby mode........................................................................................................ 5-3
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Hitachi Unified Storage VM Block Module Hardware User Guide