HP D2D2502i Manuel d'utilisateur Page 111
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10 Restore processes without replication
In this chapter:
• Restore scenarios
• Restoring single files
• Restore and deduplication
• Reconnecting toto iSCSI VTL devices after host failure
NOTE: If you are using replication, there are other options for restoring data.
Restore scenarios
There are three main restore scenarios.
Basic file restore
This is carried out from the HP StoreOnce Backup System. Use the backup application to restore
files from the HP StoreOnce Backup Systemto the host, as required.
Restore after host failure
This is carried out from the HP StoreOnce Backup System.
1. Rebuild the host operating systems and install applications then reconnect to the HP StoreOnce
Backup System.
2. Use the backup application to restore data files from the HP StoreOnce Backup System to the
host.
Bare Metal Disaster Recovery (NAS Shares)
NOTE: Bare Metal Disaster Recovery may be possible in some cases with Fibre Channel VTL, if
the backup application supports Fibre Channel connectivity through the recovery process. iSCSI
VTL recovery in this way is not possible with current backup applications.
If your backup application supports Bare Metal Disaster Recovery, you can use it create a boot
recovery CD.
1. Use the boot recovery CD to boot the host system into your backup application's recovery
console and reconnect to the HP StoreOnce Backup System.
2. When the backup application prompts for access to the NAS share, provide the IP address
of the StoreOnce Backup System.
Restoring single files
This is very easy and fast. Run your backup software and select the files to be restored. Even when
restoring from virtual tape devices, where the software application is tape-based, the restore
performance on your HP StoreOnce Backup System is much faster than restoring from physical
tape.
Restore and deduplication
With data deduplication the actual restore time from disk is longer because the data chunks must
be reconstructed. However, because more data can be stored on the disk, restore is still fast because
there is no need to retrieve data from archived physical media.
Restore scenarios 111
- HP StoreOnce 1
- G2 Backup System user guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 1 Getting started 6
- Initial logon 7
- Welcome message 7
- 2 Home, Summary 8
- Status icons 9
- 3 Virtual Tape Devices 10
- 12 Virtual Tape Devices 12
- Source and target libraries 13
- To view device details 13
- To create a new device 13
- To edit device details 15
- To delete a device 16
- Table 5 Cartridge parameters 18
- Empty slots 19
- To delete a cartridge 19
- To write protect a cartridge 19
- To create a cartridge 20
- To move or unload cartridges 20
- Shares (NAS) 21
- Configuring the CIFS server 22
- Creating a CIFS share 23
- Prerequisites 24
- ◦ Windows server 2003 R2 24
- ◦ Windows server 2008 25
- ◦ Windows server 2008 R2 25
- Leaving an AD Domain 30
- Specifying NFS hosts 30
- Creating an NFS share 31
- Problems connecting 32
- 5 Appliance Configuration 33
- To edit network settings 34
- Fibre Channel (Configuration) 36
- SNMP (Configuration) 37
- Table 10 SNMP parameters 38
- HP Systems Insight Manager 39
- 40 Appliance Configuration 40
- SNMP (Configuration) 41 41
- 42 Appliance Configuration 42
- Email Alerts (Configuration) 43
- 6 Status 46
- Storage pool tab 47
- Storage Pool 48
- Configured shelves 48
- Disks tab 49
- NAS shares disk usage 50
- RAID controllers 50
- Logical units 50
- Disks section 51
- Disk (Status) 52
- Disk usage 53
- Tape device disk usage 53
- NAS share disk usage 53
- RAID (Status) 54
- Network (Status) 54
- Fibre Channel (Status) 55
- Storage Reporting (Status) 56
- Log (Status) 57
- 7 Replication 58
- Local library 59
- Slot mappings 60
- Slot mapping details 61
- The replication wizards 61
- 62 Replication 62
- 64 Replication 64
- NAS Mappings (Replication) 66
- Local shares 67
- Share mappings 68
- Share mapping details 68
- 70 Replication 70
- NAS Mappings (Replication) 71 71
- 72 Replication 72
- Summary Appliance details 74
- To add a target appliance 75
- Run Traceroute 75
- Target Appliance tab 75
- Summary Appliance tab 76
- Local Appliance (Replication) 77
- General settings 78
- Bandwidth limiting 79
- Blackout windows 80
- Event History (Replication) 81
- 8 Administration 82
- Security (Administration) 83
- Date & Time settings 86
- Date Display format 86
- Daylight Saving 86
- Housekeeping (Administration) 87
- Shutdown (Administration) 88
- Software (Administration) 88
- Language Pack 89
- Upgrading the software 90
- Upgrading the language pack 90
- Support (Administration) 91
- Support ticket 92
- Recommendations 93
- License (Administration) 94
- To apply the license key 95
- Restore scenarios 111
- Restoring single files 111
- Restore and deduplication 111
- 11 Understanding LEDs 115
- HP D2D4112/4106 Backup System 116
- HP D2D2502/2504 Backup System 117
- Hot-plug drive LEDs 118
- Fibre Channel card LEDs 119
- Capacity upgrade kit LEDs 119
- 12 Hardware monitoring 121
- An example Event log page 122
- An example SNMP trap 122
- Resolving problems 122
- Location and ID values 123
- Backup Systems (continued) 124
- 13 Troubleshooting 125
- Performance 126
- Disk RAID errors and warnings 127
- Network warnings 127
- NTP server fails 127
- System state 127
- Power On/Off Problems 128
- NFS State handle error 129
- 130 Troubleshooting 130
- Systems) 131
- Replication fails 132
- Upgrade licenses 134
- Replacement of hardware 134
- Upgrades to component parts 135
- 14 Hard disk replacement 136
- Summary page information 137
- 138 Hard disk replacement 138
- If you have a system console 140
- If you are using iLO2 141
- If you have email alerts 141
- The Event Log 142
- 144 Hard disk replacement 144
- Email alerts and Log 145
- If several disks fail 146
- Initialising RAID 147
- 148 Hard disk replacement 148
- If several disks fail 149 149
- Restoring the Storage Pool 150
- If several disks fail 151 151
- 152 Hard disk replacement 152
- Overview 153
- Major differences 153
- Tape Attach 154
- Viewing cartridge details 155
- Obtaining support 156
- Manual jobs (Tape Attach) 157
- Tape Attach 159 159
- Scheduled jobs (Tape Attach) 160
- To create a scheduled job 161
- Active Jobs (Tape Attach) 164
- Job History (Tape Attach) 165
- Glossary 167
- 168 Glossary 168
- 170 Glossary 170
- About this guide 171
- HP technical support 172
- Customer self repair 172
- Subscription service 173
- HP websites 173
- Documentation feedback 173
- 174 Index 174
- 176 Index 176
- 178 Index 178
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