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Chapter 1, Introduction 23
Offhost Backup Overview
Offhost Backup Methods
NetBackup ServerFree Agent supports two offhost backup methods: NetBackup Media
Server and Third-Party Copy Device.
NetBackup Media Server
In this offhost backup method, the NetBackup media server performs the data movement.
The figure “NetBackup Media Server” shows the basic components used in the
NetBackup Media Server method. A NetBackup media server handles the backup
processing and sends the backup data over Fibre Channel to the storage device.
Note If you have a multi-ported SCSI disk array, a fibre channel SAN is not required. See
“Offhost Backup Without a SAN” on page 25.
NetBackup Media Server
Disks of client
data on SAN
NetBackup
master server
Fibre Channel/SAN
LAN / WAN
Robot on
SAN
1
2
4
3
NetBackup
media server
NetBackup
client
1. On LAN, client backup is initiated by master server, which tells the NetBackup client to
map the frozen image data on the disk.
2. On LAN, client sends the mapping information to the media server.
3. Media server processes the backup and reads client data over the SAN, from the
addresses specified by the client.
4. Media server writes data across the SAN to storage.
- VERITAS NetBackup 1
- ServerFree Agent 1
- Contents 3
- Contents v 5
- Contents vii 7
- About This Guide 9
- Related Manuals 10
- Accessibility 11
- Conventions 11
- Notes and Cautions 12
- Key Combinations 12
- Command Usage 12
- Getting Help 13
- Introduction 15
- Backup agent 17
- NetBackup 17
- Terminology 18
- Chapter 1, Introduction 5 19
- Chapter 1, Introduction 7 21
- Features 22
- Offhost Backup 23
- Requirements 24
- Restrictions 24
- Frozen Image Overview 26
- Copy-on-Write Snapshot 27
- frozen image methods 30
- ). See usage 31
- Chapter 1, Introduction 19 33
- Quiescing the Stack 34
- Offhost Backup Overview 36
- Offhost Backup Methods 37
- Third-Party Copy Device 38
- Offhost Backup Without a SAN 39
- Chapter 1, Introduction 27 41
- (Solaris only) 42
- Checklist 46
- ▼ For troubleshooting help: 48
- Installation 49
- ./install 50
- Chapter 3, Installation 37 51
- Solaris Solaris8 othersparc 52
- HP9000-800 HP-UX11.00 myhp 52
- /usr/openv/netbackup/3pc.conf 52
- Server Deinstall 53
- Client Deinstall 53
- SAN Configuration Diagram 56
- Supported Peripherals 57
- /opt/VRTSspc/bin/spc & 67
- Device Checklist 70
- 3pc.conf Description 72
- Example 3pc.conf file 73
- Determining Requirements 75
- Example mover.conf files 76
- Keywords in Mover File 77
- Naming the Mover File 78
- Create the 3pc.conf File 79
- Create the mover.conf File 81
- NetBackup Configuration 87
- Prerequisites 88
- Configuration at a Glance 89
- Expand UNIX Client 90
- Configuring a Backup Method 93
- (the link) 97
- /file1 /fs2/file1 97
- /dir1 /fs2/dir2 97
- FlashBackup Policies 99
- Multiple Data Streams 99
- Configuration Tips 100
- Core Frozen Image Services 101
- (Solaris only) 102
- Integration Option) 105
- Configuration Checklist 106
- The Frozen Image Methods 107
- Overview 107
- Client Data Must Be Mirrored 109
- Disk Terms 109
- Access to Disk Arrays 110
- EMC Symmetrix 113
- Hitachi and HP Arrays 114
- /bin/horcmstart.sh x x 118
- ▼ To select the mirror disk 124
- Volume Manager Configuration 125
- Disk group: P1, P2 126
- Disk group: P3, M3 126
- Disk group: P1, P3, P5 126
- Best Practices 129
- Backup policy A 130
- Backup policy B 130
- Notes on Offhost Backup 135
- ALL_LOCAL_DRIVES 136
- Multiplexing 136
- Raw Partition Offhost Backups 136
- Using NetBackup 137
- Performing a Backup 138
- Performing a Restore 139
- Troubleshooting 141
- Important Notes 143
- Installation Problem 144
- Removing a Frozen Image 144
- Removing a VxVM Volume Clone 146
- VfMS Error Conditions 148
- VfMS Method Errors 149
- 3 - invalid argument 151
- Online Services Error Codes 152
- Solaris client 154
- Media server 154
- Solaris or HP-UX 156
- ServerFree Agent Commands 163
- 3pc.conf file (in 164
- Solaris snapctl Driver 171
- command must be invoked as: 173
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