Method

Used to . . .

Snapshot

Take point-in-time copies of a volume.

SnapRestore

• 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, a file system, a LUN, or a volume by using an existing Snapshot copy.

SnapMirror

• 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 or near-line 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 generally reduces bandwidth and transfer time requirements for replication.

SnapVault

• Back up data by using Snapshot copies on the storage system and transferring them on a scheduled basis to a destination storage system.

• Store these Snapshot copies on the destination storage system for weeks or months, allowing recovery operations to occur nearly instantaneously from the destination storage system to the original storage system.

SnapDrive for Windows or UNIX

• 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.

SnapDrive for Windows supports Windows 2000 Server and Windows Server 2003. SnapDrive for UNIX supports a number of UNIX environments.

Note: For more information about SnapDrive, see the SnapDrive for Windows Installation and Administration Guide or SnapDrive for UNIX Installation and Administration Guide.

Native tape backup and recovery

Store and retrieve data on tape.

Note: Data ONTAP supports native tape backup and recovery from local, gigabit Ethernet, and Fibre Channel SAN-attached tape devices. 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, allowing backup and recovery to any capable system. Backup images are written using a derivative of the BSD dump stream format, allowing full file-system backups as well as nine levels of differential backups.

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.

Note: NDMP is an open standard for centralized control of enterprise-wide data management. For more information about how NDMP-based topologies can be used by storage systems to protect data, see the Data ONTAP Data Protection Tape Backup and Recovery Guide.