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How can I determine my data transfer rate?

My computer has a 100 Mbps network card.

I am backing up everything in a shared folder (that exists on the server) to my computer using NTBackup.

I am trying to determine the data transfer rate (to ultimately determine if the backup is running slow, normal (whatever that may be), or fast).

Here is the result of the last 2 backups:

Bytes: 82,434,645,106
Time: 6 hours, 17 minutes, and 53 seconds

Bytes: 83,063,380,773
Time: 7 hours, 15 minutes, and 25 seconds

Thanks for your help.

ASKER CERTIFIED SOLUTION

cyberkiwi

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cyberkiwi

The formulas determine number of bytes per second (hours and minutes turned into seconds)
Divided twice by 1024 to get megabytes
Each byte is 8 bits, so that is how the final figures are arrived at.

WeThePeople

ASKER

If my network card is 100 Mbps, how come I am only getting 37 Mbps? Should I be getting a lot more? Or should I submit this as another question for the group?

WeThePeople

ASKER

Where did the 2600 come from?

cyberkiwi

100 Mbps is the rated, theoretical maximum. You will never get that speed.
If you had interference free gold cables, and cooperating switches/hubs, and also good quality network cards on both send/receive ends, then you may get close. I doubt you will get more than 70 or so though

Thanks for the points

rdmustang

The 2600 should have been 3600 (3600 seconds in an hour).

That changes the results to:

82434645106.0 / (6 * 3600 + 17 *60 + 53) / 1024.0 / 1024.0 = 3.5 MB/s or 27.7 Mbps
83063380773.0 / (7 * 3600 + 15 *60 + 25) / 1024.0 / 1024.0 = 3.0 MB/s or 24.3 Mbps