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Mirrorclone states
The following mirrorclone states are reported by the replication manager.
RemarksMirrorclone state
There is no replication activity between the mirrorclone virtual disk and its
source virtual disk. At the instant of the fracture, data on the mirrorclone
Fractured
is identical to its source. After a fracture, data on the two disks might no
longer be identical due to host I/O to the source or the mirrorclone.
In response to a replication command, data is being copied from the
mirrorclone virtual disk to its original source virtual disk. Data on the
original source is not yet identical to its mirrorclone.
Restore in progress
The source virtual disk and its mirrorclone are synchronized. Data on the
mirrorclone is identical to its source. Any changes to data on the source
virtual disk are automatically copied to its mirrorclone.
Synchronized or normalized
In response to a user Sync command, data is being copied from the source
virtual disk to its mirrorclone virtual disk. Data on the mirrorclone is not
yet identical to its source.
Sync in progress
When a mirrorclone has been detached, it is no longer a mirrorclone. It
becomes a normal virtual disk, independent of its source virtual disk.
Detached
Containers
A container is disk space that is preallocated for later use as a snapclone, a snapshot, or a
mirrorclone. Snapshots and snapclones that are created using containers are called preallocated
snapshots and preallocated snapclones, respectively. Use containers when you need faster copies,
for example, to reduce the time a host application is suspended for a backup.
Follow these guidelines for using containers:
• The storage system must have a local replication license.
• When used for mirrorclones and preallocated snapclones, the container can be in a different
disk group than the source virtual disk. When used for preallocated snapshots, the container
must be in the same disk group as the source virtual disk.
• A container must be exactly the same size as the source of the preallocated snapclone or
snapshot.
• The redundancy (Vraid) level of the container determines the redundancy (Vraid) level of a
preallocated snapclone.
• For a preallocated snapshot, the redundancy (Vraid) level of the container must be the same
or lower than the source. If the source has other snapshots, the redundancy (Vraid) level of
the container must be the same as the other snapshots. For descriptions of redundancy (Vraid)
levels, see “Redundancy (Vraid) levels” (page 29).
• Containers cannot be presented to hosts or used for storage.
• Virtual disks can be converted to containers, but only if they are not presented.
Containers cannot be created from a virtual disk that:
• Is a snapshot
• Has a snapshot or mirrorclone
• Is a member of a DR group
• Is presented to a host
• Is in the process of normalizing (snapclone in progress) or being deleted
40 Replicating 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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