Deployment Architecture - Dell DL4000 User Manual

object and a volume manager with integrated global deduplication, compression, encryption, replication,
and retention. The following diagram describes the AppAssure True Scale architecture.
Figure 1. AppAssure True Scale architecture
The AppAssure Volume Manager and Scalable Object Store serve as the foundation of the AppAssure
True Scale architecture. The scalable object store stores block-level snapshots that are captured from
virtual and physical servers. The volume manager manages the numerous object stores by providing a
common repository or just-in-time storage for only what is needed. The Object Store concurrently
supports everything with asynchronous I/O that delivers high throughput with minimal latency and
maximizes system utilization. The repository resides on different storage technologies such as Storage
Area Network (SAN), Direct Attached Storage (DAS), or Network Attached Storage (NAS).
The role of the AppAssure Volume Manager is similar to the role of the volume manager in an operating
system. It takes various storage devices which can be of different sizes and types and combines them into
logical volumes, using striped or sequential allocation policies. The object store saves, retrieves,
maintains, and then replicates objects that are derived from application-aware snapshots. The volume
manager delivers scalable I/O performance in tandem with global data deduplication, encryption, and
retention management.

Deployment architecture

Your appliance is a scalable backup and recovery product that is flexibly deployed within the enterprise or
as a service delivered by a managed service provider. The type of deployment depends on the size and
requirements of the customer. Preparing to deploy your appliance involves planning the network storage
topology, core hardware and disaster recovery infrastructure, and security.
The deployment architecture consists of local and remote components. The remote components may be
optional for those environments that do not require leveraging a disaster recovery site or a managed
service provider for off-site recovery. A basic local deployment consists of a backup server called the
Core and one or more protected machines. The off-site component is enabled using replication that
provides full recovery capabilities in the DR site. The Core uses base images and incremental snapshots to
compile recovery points of protected machines.
Additionally, your appliance is application-aware because it can detect the presence of Microsoft
Exchange and SQL and their respective databases and log files, and then automatically group these
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