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MtNDMP is Microtal's NDMP implementation. MtNDMP includes three components:

  • NDMP server
  • NDMP client library
  • NDMP client utilities

The NDMP server is the core of the package and contains a complete NDMP implementation for NDMP V2-4. It is the most advanced NDMP server available today. MtNDMP is an OEM product that is targeted for storage, tape library, and other appliance vendors.


  • Full NDMP implementation
  • Support for NDMP versions V2-4
  • Support for NDMP extensions in V4
  • Data, Tape and Library (SCSI) servers
  • Local and remote backups/restores
  • Backup and restore restartability
  • DAR (Direct Access Restore)[1]
  • Recursive directory restores in DAR mode
  • Compression
  • Full, incremental[2] and differential backups
  • File and directory filtering during backup and restore
  • Directory image restores
  • Directory mtime restores[3]
  • File history restores[4]
  • Safe restores[5]
  • Keeping existing files during restores[6]
  • Raw device backups
  • Simple maintenance
  • A separate password for backups[7]
  • End user backups and restores
  • Cross platform backups and restores
  • Small disk and memory footprint
  • Modular design



  • Linux
  • Solaris
  • HPUX
  • AIX


[1] The DAR feature allows seeking the tape to the location of the files that need to be restored.

[2] Most NDMP implementations relay on /etc/dumpdates file and do not support real incremental backups.

[3] Directory mtime restores is the ability to restore the directory modification time of the last backup.

[4] File history restores generate file history events from tapes. This feature may be used to recreate the file catalog from tapes and to list the files that were backed up on a tape.

[5] Safe restores allow us to safely restore files, which are currently being used like shared libraries and executables.

[6] The restore program may optionally be told to keep older or newer existing files.

[7] By using a separate password for backups we protect against backup problems, which are caused whenever the root password is changed and the backup program is not updated.


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