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Checksum—(Default) This option performs a checksum comparison calculation. A checksum
calculation is a formula applied to blocks of data to determine if the binary make-up of the block
is identical. If the checksums on the source and target machine are the same, the block is skipped.
If the checksums on the source and target machine are not the same, the block on the source is
sent to the target. With this option, the entire file is not overwritten; only the block that is received
from the source is overwritten.
Enable compression
This setting enables compression of data that is transmitted from the source to the target. Significant
improvements in bandwidth utilization have been seen in Wide Area Network (WAN) configurations
or in any case where network bandwidth is a constraint.
Compression may be used in Local Area Network (LAN) configurations, though it may not provide any
significant network improvements.
You can specify compression for different source/target connections, but all connections to the same
target will have the same compression settings.
By default, compression is disabled. To enable it, select Enable Compression, then set the level
from minimum to maximum compression.
BlackBerry settings
The BlackBerry tab includes options to protect the BlackBerry application.
1. Select Protect MDS services if you want to protect the MDS services.
2. In the BlackBerry Services area, Application Manager will determine the appropriate
BlackBerry services to start/stop based on your operating system/BlackBerry configuration. You
should only modify this selection if there are additional services that need to be started along
with BlackBerry during the failover/failback process.
Modifying the default configuration for services may affect whether data can be successfully
replicated. Do not modify the services to start/stop unless you are very familiar with Storage
Mirroring and BlackBerry.
NOTE: The Mirror type setting also applies to the restoration connection.
- Application Manager 1
- Table of Contents 3
- Introduction 8
- SharePoint 10
- File server 11
- Requirements 12
- Exchange requirements 13
- SQL requirements 14
- File server requirements 15
- SharePoint requirements 15
- Related documentation 16
- Application notes 17
- Readme files 17
- Navigating the user 18
- Start the Application Manager 19
- Menu options 20
- Using the online help 22
- Protecting an 23
- Exchange Server 23
- Resources (cluster only) 31
- Application Monitoring (BETA) 33
- Force AD replication 39
- Target(ed) domain controller 39
- Exchange Cluster with 42
- Configuring a standby cluster 43
- Enabling protection 46
- Dealing with a failure 47
- Protecting a SQL 48
- Select SQL instances 53
- Failover type 54
- Database only 62
- Protecting a File 71
- SharePoint Server 87
- Select SharePoint front end 89
- Protected Databases 100
- Mirror type 100
- Enable compression 100
- Advanced settings 101
- Failover/failback scripts 102
- Items to failover 103
- SharePoint settings 105
- Saving configuration changes 106
- Protecting a 107
- BlackBerry Server 107
- Select a task 108
- Select a domain 108
- Add or manage servers 110
- Configure protection settings 111
- Failover settings 111
- Identity failover 113
- Services 114
- Monitor settings 115
- Snapshot settings 116
- Connection settings 117
- BlackBerry settings 118
- Replication set rules 120
- 2. Enter your changes 121
- 3. Save the script file 121
- Validate the 124
- Configuration 124
- Enabling Protection for 125
- Disable protection 126
- Monitor protection status 126
- Protection detail states 127
- Verify target data viability 129
- Managing snapshots 132
- Failover, Failback, and 133
- Restoration 133
- Initiating manual failover 134
- Failback and restoration 135
- Initiating a failover 136
- Re-enabling protection 139
- Appendix A: Recommended 140
- Credentials 140
- MMC. Click OK 142
- DFO.exe command line will 142
- Assigning Full Control 143
- Exchange credentials 145
- SQL credentials 147
- SharePoint credentials 148
- BlackBerry credentials 148
- Appendix B: Rebuilding the 149
- exchfailover.exe 150
- Appendix C: Exchange and 152
- SQL Failover with BlackBerry 152
- Appendix D: Using a 153
- Appendix E: Using the Target 154
- Data Verification (TDV) 154
- Appendix F: Using the DNS 159
- Failover (DFO) Utility 159
- Appendix G: Using the 162
- Exchange Failover (EFO) 162
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