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Lotus Notes backup is very slow using NML (NMDA)

Hi guys,

I need to backup a Lotus Domino Server. We are using the NML on a Lotus Domino server with 2.6TB of data size. My problem is that the backup process is taking almost 26 hours!!! The data transfer ratio is 31 MB/s (Is this a good rate?) over 1Gb LAN.

Could you guys point me to where start to a look??

Some info about my configuration:

Server Legato Networker


Windows 2003 Server

Processor     :     Intel Xeon (4 cores)

Memory        :     4 GB

NIC               :     2Gb  (1 Gb nic x 2 )

Legato Networker 7.5 SP1

Tape library with four Ultrium-4 drives

Server Lotus:

Windows 2008 Server

Processor     :     Intel Xeon (4 cores) 64 bits

Memory        :     18 GB

NIC               :     1Gb 

Legato Networker Module for Lotus NLM (NMDA

Thanks in advance for any clue!!!

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