Hp Command View EVA Software Bedienungsanleitung Seite 28
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Number of physical disks in a group
• With online and near-online disk types, the minimum number of physical disks is 8.
• With the solid state drive disk type, the minimum number of physical disks is 6.
• If the number of disks is not specified when creating a disk group, the minimum is assigned.
If the minimum number of disks is not available, the disk group cannot be created.
• There is no maximum number of physical disks.
Disk group occupancy and occupancy alarm level
The term occupancy refers to the amount of disk space being used for user data in a disk group.
There are two occupancy alarm levels:
• The warning level is the point (percent of capacity) at which the storage system issues a disk
group allocation warning message. The default warning alarm level is 70% of capacity.
• The critical alarm level is the point (percent of capacity) at which the storage system issues a
disk group allocation critical message. The default critical alarm level is 90% of capacity.
For example, if a disk group's capacity is 200 GB, and the default alarm levels are set, a warning
is issued when the total capacity of the virtual disks in the disk group reaches 140 GB, and a
critical message is issued when the total capacity of the virtual disks in the disk group reaches 180
GB.
If you change the occupancy alarm default values, the critical alarm level must be greater than the
warning alarm level.
NOTE: HP P6000 Command View 9.x and earlier have a warning alarm level only. The default
value is 90%.
Disk group capacity
Disk group capacity (in GB) is presented differently for different versions of HP XCS controller
software.
XCS 6.xxx, and XCS 09xxxxxx
The maximum virtual disk size shown cannot exceed 2 TB, regardless of the total capacity.
• Total. Shows the formatted physical disk drive capacity of the disk group.
• Maximum Vdisk Size, Vraid0. Shows the largest virtual disk that could be created in the disk
group, using Vraid0.
• Maximum Vdisk Size, Vraid1. Shows the largest virtual disk that could be created in the disk
group, using Vraid1.
• Maximum Vdisk Size, Vraid5. Shows the largest virtual disk that could be created in the disk
group, using Vraid5.
HP XCS 095xxxxx or later
The estimated capacity is based on factors, such as the estimated number and size of virtual disks
that you might typically create. The actual total capacity can be more or less than the estimates.
The maximum virtual disk size cannot exceed 32 TB, regardless of the total capacity.
• Total. Shows the formatted physical disk drive capacity of the disk group.
• Available, Vraid0. Shows the estimated capacity, if the entire disk group was used for Vraid0
virtual disks.
• Available, Vraid1. Shows the estimated capacity, if the entire disk group was used for Vraid1
virtual disks.
28 Provisioning storage
- 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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