System Description Storage Presentation
U41840-J-Z125-7-76 41
Network Attached Storage (NAS)
The ETERNUS CS800 system has the ability to serve as a NAS backup system (see
Figure 5) where the following protocols are supported:
● "CIFS Protocol"
● "NFS Protocol"
Figure 5: NAS Backup using CIFS and NFS
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NAS shares are optimized for backup (i.e. typically large files) rather than file
sharing. When used with many small files, the performance may be degraded.
CIFS Protocol
The CIFS (Common Internet File System) protocol defines a standard for remote file access
from many computers at a time in Windows environments. This protocol allows users with
different platforms to share files without installing additional software.
Active Directory Support
The ETERNUS CS800 supports ADS (Active Directory Services) as well as ACLs (Access
Control Lists).
This provides the following benefits:
● Compatibility with CIFS domains - NAS shares are able to join CIFS domains and
use domain authentication.
● Precise control of file system permissions - Administrators can specify which users
and groups can perform what actions.
● Robust administrative support - Administrators have the same implicit permissions
as they do in Windows operating systems.
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Windows 2003, Windows 2003 R2, Windows 2008, and Windows 2008 R2 are
supported for Active Directory domain membership.
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