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1GbE speeds over 10GbE connections? MacOS
I was wondering if anyone is having this same expereince. I have a new 626x, all drives filled, x-raid, connected to a Netgear XS708E 10GbE router, and I'm getting very slow speeds over 10GbE. Not ev...
mdgm wrote:
I was thinking e.g. a 5400RPM hard disk in an iMac could be a bottleneck.
I agree that could easily be it. iPerf would measure just the network, so the disks in the NAS and the iMAC wouldn't factor in - so it would help isolate the cause.
Can you copy from the thunderbolt RAID array to the NAS? That's another way to take the imac disk out of the equation.
mdgm wrote:
With Jumbo Frames finding the right MTU for your environment can take a bit of work. I'm not sure if/how well Jumbo Frames work with 10G.
Though they should work just fine, I see no need for them with 10G. So I would just turn them off, and use the normal 1500 MTU.
Also, if iPv6 is enabled in the NAS, try disabling it.
I emailed the logs.
I'm using Cat 7 calbles actually.
In my mac network utility it states a 10 Gbit/s link speed.
On my router all the lights are greenm which on the XS708E indecates 10GbE supposedly.
Thank you for your time.
-Mike Czerniuk
The logs were not attached to your email.
The logs show a 10GbE connection.
Could the hard disk in your Mac be the bottleneck?
mdgm wrote:
Could the hard disk in your Mac be the bottleneck?
If you are comfortable with ssh, you could try installing iperf on the NAS and the Mac. That would let you see if this is a network issue or not.
I don't know anything about SSH. I would need to look into that. I am thinking that I have some settings set up wrong on one end or the other, I just can't figure out where.
I'm not sure how the Hard drives could be the bottleneck. I did throw in a mix of hard drive sizes for testing, but all of them are sata 3 and 7200 rpm. I would imagine 6 drives in raid 5 should be able to go faster than 90MBs.
I have a half full 6 bay thunderbold 1 drive in a raid 5 that does 400MBs over a thundeboldt 2 connetion. I was hoping an emoty 626x would be ablt to go almost as fast as that.But I agree the 1Gb speeds is showing a bottleneck somewhere.
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