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•
DR Series system accepts this file, backs it up, and stores it in its filesystem.
•
NetBackup can perform one of three subsequent operations with this specific stored file:
–
Expire it
–
Restore from it
–
Copy or duplicate it
•
If NetBackup, using the OST API, directs the DR Series system to expire a stored file, it deletes it from its filesystem.
•
Similarly, if NetBackup, using the OST API, wants to restore from a stored file, it directs the DR Series system which
file to restore, which then delivers the stored file to NetBackup for the restore.
NOTE: OST contains a feature called optimized duplication. For example, in optimized duplication, the DMA
(NetBackup) directs device A to perform an optimized duplication with device B. Device A and B communicate
and determine which data segments of the file need to be replicated from A to B for device B to ensure that device
B contains a full and complete duplicate data file. Once successful, the DMA now knows about both copies of this
data file, and can use this file on device B as it would any other data file that resides there.
Software Components and Operational Guidelines
To better coordinate and integrate OpenStorage Technology (OST) with the DR Series system data storage operations,
the following guidelines list the required components and supported operations. For details on the supported operating
systems and DMA versions, see the
The Dell DR Series system licensing is all-inclusive, so that no additional Dell licensing is required to use OST or the
optimized duplication capability. The Dell OST plug-in that gets installed on a supported Linux or Windows media server
platform is a free download from Dell. However, Symantec NetBackup requires that you purchase a Symantec
OpenStorage Disk Option license. Similarly, Symantec Backup Exec requires that you purchase the Deduplication Option
to enable the OST feature.
•
OST Media Server Component:
–
An OST server component resides on the DR Series system
–
For Linux media server installations, use the Linux OST plug-in and the Red Hat Package Manager (RPM)
installer
–
For Windows media server installations, use the Windows OST plug-in and the Microsoft (MSI) installer
•
Windows-based OST plug-in
•
Linux-based 64-bit OST plug-in
•
Supported Symantec OpenStorage (OST) protocol:
–
Symantec, version 9
–
Symantec, version 10
•
Supported Symantec DMAs
–
NetBackup
–
Backup Exec
•
Supported OST operations
–
Backup (Passthrough writes and Optimized writes)
–
Restore
–
Replication
Dell DR Series System Interoperability Guide .
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