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2.8.5
OpenStorage (OST)
With the OST presentation, the ETERNUS CS800 system presents storage servers to a
Symantec NetBackup or Backup Exec media server through a specific Symantec protocol. A
storage server consists of logical storage units (LSUs), which are similar to directories in a
NAS file system or tape cartridges in a VTL partition.
The OST presentation requires the Symantec NetBackup (7.1.x or later) or Backup Exec
2010 R3 or later host application and the OST Plug-in client installation on the media server.
Windows 2012 64-bit requires Symantec NetBackup (7.6 or later) or Backup Exec 2014
or later.
Plug-in clients are host-OS dependent and are supplied by Fujitsu Technology Solutions. To
use the ETERNUS CS800 in OST mode, you must configure an OST storage server and
LSUs on the ETERNUS CS800. You must also map the LSUs on the NetBackup server so
that NetBackup can perform backups and restore from them. Additionally, policies for
optimized duplication (OST replication) and OST direct to tape may need to be set on the
NetBackup server.
Figure 6: OpenStorage (OST) Example
2.9
Path to tape (PTT)
The path to tape (PTT) capability allows writing data stored in the ETERNUS CS800 to a
tape library which is attached to an FC port of the ETERNUS CS800 system. With path to
ETERNUS CS800
2 System Description
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