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#1 2007-09-14 19:38:30

dickeywang
Member
Registered: 2007-06-29
Posts: 59

What's your transfer rate when copying files from one disk to another?

I have two HDDs installed in my DNS-323 in separate mode. Today I was using rsync to sync some files from one disk to another, and rsync reports that the transfer rate is about 5.5MB/s when transfering a large (800MB) file, which seems a bit too low.
Is it normal?

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#2 2007-09-15 06:22:24

det1rac
Member
Registered: 2007-08-31
Posts: 8

Re: What's your transfer rate when copying files from one disk to another?

I get about 9 from NAS to NAS but not internal disk to disk.  I have a gbit switch.


Thanks,
Bob Cain
www.robertcain.info

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#3 2007-09-15 16:18:08

dan.crouthamel
Member
Registered: 2007-08-23
Posts: 43

Re: What's your transfer rate when copying files from one disk to another?

dickeywang wrote:

I have two HDDs installed in my DNS-323 in separate mode. Today I was using rsync to sync some files from one disk to another, and rsync reports that the transfer rate is about 5.5MB/s when transfering a large (800MB) file, which seems a bit too low.
Is it normal?

That's about what I get as well, 5.5MB/s using rsync.

As a test, I tried using robocopy from my Vista machine to copy the same set of files over.  In this case I got about 4.5MB/s

Last edited by dan.crouthamel (2007-09-15 16:20:26)

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#4 2007-09-15 17:22:33

dickeywang
Member
Registered: 2007-06-29
Posts: 59

Re: What's your transfer rate when copying files from one disk to another?

dan.crouthamel wrote:

That's about what I get as well, 5.5MB/s using rsync.
As a test, I tried using robocopy from my Vista machine to copy the same set of files over.  In this case I got about 4.5MB/s

Thanks for the info, now I know I did not get a defect one.
So it seems either the CPU or the system board is limiting the performance. I would say it is the CPU because the 30-50% reading speed improvement when jumbo frame is enabled.

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