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Glossary
This glossary defines terms that are used in this guide or are related to the software.
A
array A synonym of storage array, storage system, and virtual array. A group of disks in one or more
disk enclosures combined with controller software that presents disk storage capacity as one or
more virtual disks.
array-based
management
A management structure in which HP P6000 Command View is installed on the management
module within the array controller enclosure.
C
client An intelligent device that requests services from other intelligent devices. In the context of EVA
software, a client is a computer used to access the software remotely using a supported browser.
consistency group A collection of related virtual disks against which operations should be performed together
(consistently).
controller software Software used by array controllers to manage all aspects of array operations.
D
default disk group The disk group created when the array is initialized. The disk group must contain a minimum of
eight disks. The maximum is the number of installed disks.
disk group A named group of disks selected from all the available disks in a disk array. One or more virtual
disks can be created from a disk group. Also refers to the physical disk locations associated with
a parity group.
DR group Data replication group. A logical group of virtual disks in a remote replication relationship with
a corresponding group on another array.
DR relationship When one array mirrors data to a second, remote array, they are said to have a DR relationship.
E
enabled host A host that is equipped with a replication manager host agent.
EVA Enterprise Virtual Array. An HP disk array product that allows pooled disk capacity to be presented
to hosts as one or more variably sized physical devices. An EVA consists of disks, controllers,
cables, power supplies, and controller software. Storage system, virtual array, and storage array
are other names for an EVA.
F
failover The process that occurs when one device assumes the workload of a failed companion device.
Failovers can be planned or unplanned.
FCoE Fiber Channel over Ethernet.
G
general-purpose
server
A server that runs customer applications such as file and print services.
H
host A computer that runs user applications and uses the information stored on an array.
108 Glossary
- User Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- 1 Overview 7
- 8 Overview 8
- 4. Browsing computer1. LAN 10
- 5. Hosts2. SAN 10
- 3. HP EVA4400 storage systems 10
- 10 Overview 10
- User interface 11
- Storage systems point of view 12
- Settings point of view 13
- 14 Overview 14
- Internet Protocol support 15
- Password formats 16
- Considerations 17
- License types 20
- Instant-on licenses 20
- Permanent licenses 20
- Data migration licenses 21
- FCIP licenses 21
- Obtaining license keys 22
- Retrieving licenses 23
- Entering license keys 23
- Importing licenses 24
- 4 Provisioning storage 26
- Disk types 27
- Disk group types 27
- General guidelines 27
- Disk group capacity 28
- Redundancy (Vraid) levels 29
- Virtual disks 30
- 32 Provisioning storage 32
- Presentation 33
- Online virtual disk migration 33
- Mirrorclone migration 34
- Thin provisioning 34
- Online Help 35
- 5 Replicating storage 36
- Snapshots 37
- Mirrorclones 38
- Containers 40
- Optimizing snap creation 41
- 42 Replicating storage 42
- DR groups 43
- Creating DR groups 44
- Initializing storage systems 46
- User-initiated service mode 47
- Starting the storage system 48
- Figure 10 HSV450 rear view 49
- Resynchronizing controllers 50
- Hardware 50
- Verifying hardware status 51
- Remote service test 51
- Configuring iSCSI devices 53
- Events overview 55
- Viewing events 56
- Viewing events 57 57
- Configuring host notification 58
- Filtering events by severity 59
- Retrieving the parse file 60
- Sending the event file 62
- Creating page footer messages 63
- Setting audit logging options 64
- Configuring SNMP credentials 66
- Optimizing performance 67
- Using the right-click menu 67
- Failed transceiver 70
- Failed I/O module 70
- Failed blower power supply 70
- Version numbers differ 72
- Performance Data Collector 74
- Events and logs 79
- Logging configuration file 79
- Configuration recommendations 80
- SSL protocol 81
- Prohibited commands 81
- Backward compatibility 81
- Using friendly names 82
- Using friendly names 83 83
- Using short names 84
- Viewing storage systems 85
- Specifying the output 85
- Filtering data 86
- Commands 87
- Command modifiers 89
- Data filtering 92
- Objects and counters 93
- HP EVA virtual disk 94
- HP EVA virtual disk group 95
- HP EVA host connection 96
- HP EVA host port statistics 96
- HP EVA physical disk 96
- HP EVA physical disk group 97
- HP EVA DR tunnels 97
- HP EVA DR Group Information 98
- HP EVA Xcopy Metrics 99
- HP EVA WSame Metrics 99
- HP EVA Unmap Metrics 100
- Contacting HP 101
- Related information 101
- Typographical conventions 102
- 12 Documentation feedback 103
- Event code format 104
- Corrective action codes 105
- Coupled crash control codes 106
- Dump/restart control codes 107
- Glossary 108
- 110 Glossary 110
- 112 Index 112
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