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 Post subject: Networking slowness
PostPosted: Thu Nov 19, 2015 12:46 pm 
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For some reason, my EX495 seems to only be running at 100-TX speed (not gigabit) and with weak throughput even for that.

I have a gigabit router and hub with other devices running at gigabit speed. I tried other ports. I tried manually setting the link speed to gigabit on the adapter. I have swapped cables with a device (Synology Diskstation) that was running at gigabit speed. What am I missing?

Have any of you also seen this? I really hope it's not a problem with the NIC - but I'm not seeing dropped packets....just lousy performance (particularly when doing initial backups or in copying large amounts of files).

Thoughts?

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 Post subject: Re: Networking slowness
PostPosted: Thu Nov 19, 2015 2:09 pm 
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I would suspect it is the drives that slow down the connection speed.
at most I would expect around 128 mb/s
Even though it may be a gigabit connection you have the read/write speed of the drives as well as the cpu processor speed,bus speed and what other process is running at the time, as well as what type/size ram is available.

You can easily check the network connection speed of the server via a remote desktop connection.
Then work backwards from there.

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 Post subject: Re: Networking slowness
PostPosted: Thu Nov 19, 2015 8:49 pm 
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Maybe it was just my perception - but my EX475 seemed much faster. The new EX495 has WD Red 2TB drives in it.

Opening task manager, it shows a 100 Mbps link and ~25% utilization when copying picture files from my primary system.

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 Post subject: Re: Networking slowness
PostPosted: Fri Nov 20, 2015 8:25 pm 
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My 2 cents, I have cat6 cables, a netgear giga router, a netgear giga switches and giga nics.

I have (2) X-510 (same hardware as the ex-490) which have been upgraded (ram/cpu) and when I first bought the cat6 cables and switches I thought I would get some crazy fast speed. I was kindo disappointed, but then I noticed when I was moving my dvd rips from my media center to the server. These files are just under 2 tb each and they transfer in just about 10 seconds, which when I think about it , that is pretty fast.
I also have 3 people streaming videos at the same time with no problems.

It's hard to put a number on it for me, as long as I am not having any problems, it is fast enough for me.

I also agree, even though the Nic is Giga, the cpu and sata bus still can process it only so fast.
Maybe upgrade the cpu, I know the ram upgrade with whs v1 is not really used, but the cpu is a good upgrade...

Hope this helps. Good luck

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