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HP 418800-B21 HP StorageWorks 70 Modular Smart Array Enclosure User Guide (434 - Page 8

Disk drive bay numbers, Disk drive LEDs, Fault/UID LED amber/blue

UPC - 882780564640

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3 Heartbeat LED Green = System activity Amber = Fault Off = No system activity 4 Fan module LED Green = Normal operation Amber = Fault condition Off = Fan unseated form connector or failed 5 System fault LED Amber = Fault condition Off = No fault condition Green = On 6 Power On/Standby button/system power LED Amber = Standby (power present) Off = Off 7 Power supply LED Green = Power turned on and power supply functioning properly Amber = Standby (auxiliary power present) Blinking amber = Power to this power supply not present Off = One or more of the following conditions exists: • A/C power unavailable • Power supply failed • Power supply exceeded current limit Disk drive bay numbers Disk drive LEDs 1 Fault/UID LED (amber/blue) 2 Online/activity LED (green) 8 Hardware features and LED descriptions

Section	Page
MSA70 User Guide	1
Table of Contents	3
1 Hardware features and LED descriptions	6
Front panel components	6
Front panel LEDs	6
Rear panel components	7
Rear panel LEDs and buttons	7
Disk drive bay numbers	8
Disk drive LEDs	8
Disk drive LED combinations	9
7-segment display	10
2 Deployment types	11
3 Installing the enclosure	13
Environmental requirements	13
Space and airflow requirements	13
Temperature requirements	14
Power requirements	14
Electrical grounding requirements	15
Rack planning resources	15
Rack warnings	15
MSA70 shipping contents	16
Rack mounting hardware kit contents	16
Converting rails for round-hole racks	17
Installing the enclosure into the rack	18
Installing hardware options	19
Installing disk drives	19
Disk drive options	19
Disk drive guidelines	19
Installing a disk drive	20
Installing SAS controllers or controller enclosures	22
Preparing the server	22
Connecting SAS cables and power cords	23
Cabling best practices	23
Connecting SAS cables to the server or controller enclosure	23
Connecting SAS cables to additional disk enclosures	24
Connecting power cords	24
Powering on the disk enclosure	26
Power on best practices	26
Powering on disk enclosures	31
5 Operation and management	31
Powering on disk enclosures	31
Powering off disk enclosures	32
Updating disk enclosure firmware	32
6 Troubleshooting	33
When the enclosure does not start	33
Diagnostic steps	34
Are the power supply/fan module LEDs green?	34
Is the system power LED green?	34
Recognizing disk drive failure	34
Effects of a disk drive failure	35
Compromised fault tolerance	35
Recovering from compromised fault tolerance	35
Factors to consider before replacing disk drives	36
Automatic data recovery (rebuild)	36
Time required for a rebuild	37
Failure of another drive during rebuild	37
Drive failure in a NetWare environment	37
Failed drives or interim recovery mode	38
Handling disk drive failures	38
7 Support and other resources	41
Contacting HP	41
Before you contact HP	41
HP contact information	41
Subscription service	41
Documentation feedback	42
Related information	42
Websites	42
Document conventions and symbols	42
Customer self repair	43
Rack stability	43
A Regulatory compliance notices	45
Regulatory compliance identification numbers	45
Federal Communications Commission notice	45
FCC rating label	45
Class A equipment	45
Class B equipment	45
Declaration of conformity for products marked with the FCC logo, United States only	46
Modifications	46
Cables	46
Canadian notice (Avis Canadien)	46
European Union regulatory notice	47
Disposal of waste equipment by users in private households in the European Union	48
Japanese notice	48
BSMI notice	48
Korean notice	49
Power cord statement for Japan	49
B Electrostatic discharge	51
Preventing electrostatic discharge	51
Grounding methods to prevent electrostatic discharge	51
C Specifications	53
Environmental specifications	53
Storage enclosure specifications	53
Acronyms and Abbreviations	55