Data
protection methods
Data ONTAP provides
multiple methods for protecting your data.
Snapshot copy
Make point-in-time
copies of a volume.
volume copy command
Perform fast block-copy
of data from one volume to another.
FlexClone LUNs
(FlexClone license required)
Point-in-time, writable
copies of another LUN in an active volume or in a Snapshot copy. A clone and
its parent can be modified independently without affecting each other.
SnapVault backups
(SnapVault license required)
- Back up data by using Snapshot copies on the storage
system and transferring them on a scheduled basis to a secondary storage
system.
- Store
these Snapshot copies on the secondary storage system for weeks or months,
allowing recovery operations to occur nearly instantaneously from the
secondary storage system to the original storage system.
Data protection mirror
copies (SnapMirror license required)
- Replicate data or asynchronously mirror data from one
storage system to another over local or wide area networks (LANs or WANs).
- Transfer Snapshot copies taken at specific points in
time to other storage systems.
These replication targets can be in the same data center through a
LAN, or distributed across the globe connected through metropolitan area
networks (MANs) or WANs. Because SnapMirror operates at the changed block level
instead of transferring entire files or file systems, it usually reduces
bandwidth and transfer time requirements for replication.
SnapRestore (license
required)
- Restore a LUN or file system to an earlier preserved
state in less than a minute without rebooting the storage system,
regardless of the size of the LUN or volume being restored.
- Recover
from a corrupted database or a damaged application, file system, LUN, or
volume by using an existing Snapshot copy.
SnapDrive for Windows or
UNIX (SnapDrive license required)
- Manage storage system Snapshot copies directly from a
Windows or UNIX host.
- Manage storage (LUNs) directly from a host.
- Configure access to storage directly from a host.
Note: For more information about SnapDrive as well as the supported
Windows and UNIX environments, see the SnapDrive for Windows Installation and
Administration Guide or SnapDrive for
UNIX Installation and Administration Guide.
Native tape backup and
recovery
Data ONTAP supports
native tape backup and recovery. Support for most existing tape drives is
included, as well as a method for tape vendors to dynamically add support for
new devices. In addition, Data ONTAP supports the Remote Magnetic Tape (RMT)
protocol, enabling backup and recovery to any capable system. For more
information about tape backup and recovery, see theData ONTAP Data
Protection Tape Backup and Recovery Guide for 7-Mode.
NDMP
Control native backup
and recovery facilities in storage systems and other file servers. Backup
application vendors provide a common interface between backup applications and
file servers.
