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Glossary
This glossary defines terms used in this guide or related to this product and is not a comprehensive
glossary of computer terms.
µm A symbol for micrometer; one millionth of a meter. For example, 50 µmis
equivalent to 0.000050 m.
3U Aunitofme
asurement representing three “U” spaces. “U” spacing is used to
designate panel or enclosure heights. Three “U” spaces is equivalent to 5.25
inches (133 mm) .
See also ra
ck-mounting unit.
active me
mber
of a virtual disk
family
An active
member of a virtual disk family is a simulated disk drive created
by the controllers as storage for one or more hosts. An active member of a
virtual d is k family is accessible by one or more hosts for normal storage. An
active virtual disk member and its snapshot, if one exists, constitute a virtual disk
family. An active member of a virtual disk family is the only necessar y member
of a v irt
ual disk family.
See also virtual disk,virtual disk copy,virtual disk family,and snapshot.
adapter See controller.
AL_PA Arbitrated Loop Physical Address. A 1-byte value the arbitrated loop topology
uses to identify the loop ports. This value becomes the last byte of the address
identifierforeachpublicportontheloop.
allocation policy Storage system rules that govern how virtual disks are created. Allocate
Completely and Allocate on Demand ar e the two rules used in creating virtual
disks.
• Allocate Completely—The space a virtual disk requires on the physical disks
is reserved, even if the virtual disk is not currently using the space.
• Allocate on Demand—The space a virtual disk requires on the physical
disksisnotreserveduntilneeded.
ambient tempera-
ture
The air temperature in the area where a system is installed. Also called intake
temperature or room temperature.
ANSI American National Standards Institute. A non-governmental organization that
develops standards (such as SCSI I/O interface standards and Fibre Channel
interface standards) used voluntarily by many manufacturers within the United
States.
arbitrated loop A Fibre Channel top olo gy that links multiple ports (up to 126) together on a
single shared simplex media. Transmissions ca n only occur between a single
pair of nodes at any given time. Arbitration is the scheme that determines which
node has control of the loop at any given moment
arbitrated loop
physical address
See AL_PA.
arbitrated loop
topology
See arbitrated lo op.
array All the physical disk drives in a storage system that are known to and under
the control of a controller pair.
HP StorageWorks 3000/5000 Enterprise Virtual Array user guide (VCS 4.xxx)
143
- Part number: 5697-7026 1
- Contents 3
- About this guide 13
- Rack stability 14
- HP technical support 14
- Customer self repair 15
- Product warranties 15
- Subscription service 15
- HP websites 15
- Documentation feedback 15
- 1 Enterprise Virtu al Array 17
- Performance 18
- Scalability 18
- Operating system support 18
- Storage system components 19
- Controller soft ware 20
- Hardware 20
- Fibre Channel drive enclosure 21
- Fibre Channel lo 22
- HSV110 and HSV100 controllers 22
- P = Fibre (Host) Port 26
- CA = Fibre Channel Adapter 26
- Gathering information 27
- Host information 28
- Entering the WW 29
- Entering the WWN checksum 29
- Installing opti 31
- 3 Enterprise Virtu al Array 33
- Setting Point in time 34
- Behavior 34
- Storage s ystem s 37
- Creating disk groups 40
- Adding a disk driv e 41
- Changing the De 42
- Installing the disk drive 42
- Checking status indicators 42
- Handling fiber optic cables 43
- 4 Enterprise Virtu al Array 45
- I/O m odules 46
- I/O module status indicators 47
- Fi bre Optic Fibr 49
- Copper Fibre Channel cables 49
- Fibre Channel disk drives 49
- Disk drive stat 50
- Disk drive status displays 50
- Power supplies and blowers 51
- Power supplies 52
- Drive enclosure EMU 53
- EMU functions 54
- EMU monitoring functions 55
- EMU displays 55
- EMU indicator di 56
- Audible alarm operations 57
- Enabling the audible alarm 58
- Muting or unmut 59
- Disabling the audible alarm 59
- Enclosure numb 60
- Error Condition Reporting 62
- Reporting group feature 65
- Fibre Channel loop switches 66
- Power-on self test (POST) 67
- Reading the switch indicators 67
- HSV controllers 69
- High availability features 70
- Operator control panel 70
- Status indicators 71
- Navigation butt 72
- Alphanumeric display 72
- Displaying the OCP menu tree 72
- Displaying system information 73
- Shutting down the system 74
- Shutting the controller down 74
- Restarting the system 75
- Uninitializing the system 75
- Password options 75
- Changing a password 75
- Clearing a password 76
- Cache bat tery 77
- HSV controller cabling 77
- Rack configurations 77
- Power d istribution 77
- Rack AC po 80
- Moving and stabilizing a rack 82
- 1. H ex n ut 83
- 2. Leveler foot 83
- Customer self 85
- Replaceable parts 86
- Before you begin 88
- Types of disk failures 89
- Checking system re dundancy 89
- Verifying component failure 90
- 1. Ac t ivi t y 92
- 2. Online 3. Fault 92
- Removing a di 93
- Installing a disk 94
- Verifyin 94
- Removing a b 97
- Installing a blower 97
- Removing a po 98
- Installing a p ower supply 98
- Verifying proper operation 99
- Customer replaceable units 100
- A Regulatory notices an d 101
- Laser device 102
- European union notice 103
- Notice for Fra 104
- WEEE Recycling Notices 104
- French notice 105
- German notice 105
- Estonian notice 105
- Finnish notice 105
- Greek notice 106
- Hungarian notice 106
- Italian n 106
- Latvian notice 106
- Lithuanian notice 107
- Polish notice 107
- Portugue 107
- Slovakian notice 107
- Germany noise declaration 108
- Japanese notice 109
- Taiwanese notice 109
- Japanese 109
- Country-specificcertifications 109
- Physical specifications 110
- Power speci 111
- fications 111
- Fibre Channel sw 113
- Controller specifications 113
- Rack specifications 114
- Environmental specifications 116
- Power specifications 116
- Nominal inp ut voltage 117
- Specifications 117
- The power 117
- Condition report format 119
- Correcting err ors 120
- Power supply conditions 122
- 0.2.en.02 123
- Blower conditions 124
- Temperature conditions 125
- 0.4.en.01 N 126
- 0.4.en.03 NON 127
- EMU conditions 128
- Transceiver conditions 132
- 0.F.en.05 C 133
- Backplane conditions 135
- I/O Module conditions 135
- Host conditions 137
- C Controller fault management 139
- GUI event display 140
- Fault management displays 140
- Information type 142
- Description 142
- Glossary 143
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