Database Availability Group (DAG)
A Database Availability Group (DAG) is a concept introduced in Exchange Server 2010. It is a collection of up to 16 mailbox servers, where each server stores up to 100 mailbox databases.
Database Level Backups
Database Level Backups let you protect the system and supports restoring the Exchange Server in its entirety.
Document Level Backup
Document Level backup lets you back up folders and messages and a granular level of restore.
Multiplexing
Multiplexing is a process in which data from multiple sources is written to the same media simultaneously. In Arcserve Backup, jobs with multiple sources submitted with this option are broken into child jobs, which write data at the same time.
Multistreaming
Multistreaming is a process that divides backup jobs into several sub-jobs that run simultaneously to different devices.
Organization View
Organization View provides a central display of the entire Exchange Server organization, so you can quickly find remote Exchange servers.
Restore Set
A restore set is the set of all sessions needed to restore your Exchange Server, storage group, or mailbox database. The number of sessions in a restore set depends on the backup method used.
Storage Group
Each Exchange mailbox server in the organization can have up to 50 storage groups. A storage group can have up to 5 database stores (except for replicated environments which can have one), which can be mounted and dismounted independently.
Trace Log Files
Trace Log Files are files created by Arcserve Backup. They provide data you can use to debug problems that may occur when performing document level and database level backups and restores.
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