NDMP simplifies NAS backup
Rick Cook

The Network Data Management Protocol (NDMP) provides a way for vendors to improve storage management, especially for NAS appliances.

NDMP specifies a simple, vendor-neutral standard for communication between servers and backup software. Although it can be used by any kind of backup device on a network, it is especially useful for NAS applications because it allows centrally managing NAS devices with attached storage without loading down the network with the backup. Using NDMP, a central server can run the backup management software for the NAS devices on the network, instructing them to back up to local storage, such as tape drives. If the local backup devices are connected to the NAS appliance by Fibre Channel, the storage can be backed up at gigabit speeds with no load on the network except for the commands and management information sent back and forth from the storage management software to the backup devices. This can dramatically shrink the backup window when compared to backing up over the network.

A number of makers of backup devices and software, including

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Quantum|ATL, Connex (a Western Digital Company), Vixel Corp. and Syncsort Inc. are offering NDMP products specifically designed for use with NAS devices.

For more information on NDMP, see the NDMP web site.


About the author: Rick Cook has been writing about mass storage since the days when the term meant an 80K floppy disk. The computers he learned on used ferrite cores and magnetic drums. For the last twenty years he has been a freelance writer specializing in storage and other computer issues.

Related Book

Building Storage Networks
Author : Marc Farley
Publisher : Osborne
ISBN/CODE : 0072120509
Cover Type : Soft Cover
Pages : 590
Published : Jan 2000
Summary :
Plan and design robust, flexible, and scalable storage systems to meet the demands of your enterprise and Web site. Building Storage Networks covers fundamental topics such as network 1/0, RAID, and network backup and provides valuable insight into the latest storage technologies, including Storage Area Networks (SAN) and Network Attached Storage (NAS). Detailed technical information and analyses guide you through enterprise needs assessment, solution identification, and technology implementation. Special Storage Networks blueprints provide sample schematics and architectures to visually reinforce important concepts.


This was first published in March 2001

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