Computer Associates BABWBR1151S40 User Guide - Page 115

Load Reduction, Exchange Server Configuration Recommendations, Circular Logging, Transaction Log Space

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Exchange Server Configuration Recommendations Load Reduction If you have the network infrastructure to support high performance remote backups, install the Backup Manager on a different server than your Exchange Server. This reduces the load on the Exchange Server. Exchange Server Configuration Recommendations Consider the following best practices for configuring your Exchange Server. Circular Logging Circular Logging must be disabled to take advantage of incremental and differential backups. If Circular Logging is not disabled and you submit an incremental or differential backup, the agent automatically converts the backup to full. Although Circular Logging decreases the amount of disk space you use, it does not let you recover all changes since your last backup because it only maintains a small number of log files. Consequently, you cannot take advantage of the benefits of using a transaction-based system and you cannot completely recover if something goes wrong with the system. If you want to conserve disk space, perform regular backups rather than using Circular Logging because backups automatically remove transaction log files. For more information about Circular Logging, see the Administration Guide. Transaction Log Space Make sure that you have enough space on your Exchange Server in case you want to restore transaction logs. Leave at least twice the amount of space that you expect your transaction logs to use. In addition, if you intend to restore Brick or Document Level backups, you should leave enough space to accommodate the size of the backups because the size of the database file may increase during the restore. Backup Recommendations Consider the following best practices for backing up your Exchange Server. Chapter 6: Using Best Practices 115

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Exchange Server Configuration Recommendations
Load Reduction
If you have the network infrastructure to support high performance remote
backups, install the Backup Manager on a different server than your Exchange
Server. This reduces the load on the Exchange Server.
Exchange Server Configuration Recommendations
Consider the following best practices for configuring your Exchange Server.
Circular Logging
Circular Logging must be disabled to take advantage of incremental and
differential backups. If Circular Logging is not disabled and you submit an
incremental or differential backup, the agent automatically converts the
backup to full.
Although Circular Logging decreases the amount of disk space you use, it does
not let you recover all changes since your last backup because it only
maintains a small number of log files. Consequently, you cannot take
advantage of the benefits of using a transaction-based system and you cannot
completely recover if something goes wrong with the system. If you want to
conserve disk space, perform regular backups rather than using Circular
Logging because backups automatically remove transaction log files.
For more information about Circular Logging, see the
Administration Guide
.
Transaction Log Space
Make sure that you have enough space on your Exchange Server in case you
want to restore transaction logs. Leave at least twice the amount of space that
you expect your transaction logs to use. In addition, if you intend to restore
Brick or Document Level backups, you should leave enough space to
accommodate the size of the backups because the size of the database file
may increase during the restore.
Backup Recommendations
Consider the following best practices for backing up your Exchange Server.
Chapter 6: Using Best Practices
115