Replicating Ost Data - Quantum DXi6900 User Manual

Chapter 9: Configuration
OST Configuration
Manage Remote Users on page 261
l
Target IP Mapping on page 264
l
DXi Accent on page 267
l

Replicating OST Data

The DXi6900 can replicate (duplicate) OST data to another DXi using the following methods:
Replication Method
Optimized Duplication
Automatic Image Replication (AIR)
Concurrent Optimized Duplication
It is important to remember that, with Automatic Image Replication, the local and remote LSUs reside in
different NetBackup domains. This differs from optimized duplication, which occurs between two LSUs
residing within the same NetBackup domain.
Note: For more information about configuring the DXi6900 for optimized duplication or Automatic
Image Replication, see the DXi-Series NetBackup and Backup Exec OST Configuration Guide (6-
67079).
Note: For information about configuring NetBackup for optimized duplication or Automatic Image
Replication (also referred to as duplicating images to a remote master server domain), see the
Symantec NetBackup Administrator's Guide.
Quantum DXi6900 User's Guide
Description
With optimized duplication, backup images on a storage
server can be replicated to another storage server on a DXi
that resides in the same NetBackup domain. The duplication
occurs when it is initiated in NetBackup. With optimized
duplication can specify up to two replication targets
If you are using Symantec NetBackup 7.1 or higher, you can
configure an LSU for Automatic Image Replication (see
Configuration on the previous
LSU is automatically replicated to a remote LSU that resides
on a DXi in a different NetBackup domain. The timing of the
duplication, as well as the backup images that are duplicated,
are determined by the storage lifecycle policies (SLPs)
configured in NetBackup. With AIR, you can specify a single
replication target.
For both optimized duplication and Automatic Image
Replication, you can optionally enable Concurrent Optimized
Duplication. If enabled, as data is written to the storage
server, it is simultaneously replicated to the target DXi. When
optimized duplication or Automatic Image Replication
subsequently occurs, the operation is more efficient because
a portion of the required data has already been replicated to
the target storage server.
page). If enabled, data on an
OST
247