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Configuring Primary and Secondary Disks
98 NetBackup ServerFree Agent System Administrator’s Guide
Multiple Connectivity to EMC Array: Common Serial Number
mode
EMC Symmetrix disk arrays with multiple connections from NetBackup clients and
media servers (multiple SCSI or both fibre channel and SCSI) must be configured in
Common Serial Number Mode.
If there are multiple SCSI connections (or fibre channel and SCSI connections) to the same
disks in the array, NetBackup and Volume Manager will be presented with two different
serial numbers for the same disk: one for the SCSI path and one for the fibre channel path.
As a result:
◆ Volume Manager will be confused and will not be able to run in DMP (Dynamic
Multipath) mode.
◆ NetBackup data movement services will be confused, since the disk serial number is
used to identify the proper disk to back up.
To prevent these problems, the array must be configured in Common Serial Number
Mode.
Caution If Common Serial Number Mode is not configured for an EMC disk array that
has multiple client and media server connections, the backup may fail.
Configuring Primary and Secondary Disks
The following is a brief listing of the commands required for making the
primary-to-mirror disk association, for EMC, Hitachi, and HP arrays. The
primary-to-mirror association can be set up before or after installation of NetBackup
ServerFree Agent, but must be done prior to running the backup.The primary-to-mirror
association is done on the NetBackup client only.
Note If a mirror disk is not correctly associated and synchronized with the primary disk,
a frozen image of the client’s data cannot be made. (A frozen image has to be made
on the mirror, not on the primary.) In that case, if the backup policy is configured
with a mirror-type frozen image, the backup will fail.
- 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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