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Forum Discussion
RN214 Performance issues
I have actually had this issue for a while. But, just getting around to dealing with it in depth. Performance on my RN214 has been marginal since I purchased it. My configuration is as follows: 4 ...
You are obsolutely correct. I did not see that Blackmagic had "MB" not mb. Gotta pay closer attention to the "B". :). So, that said, the performance is not to bad afterall. On your question about ISP speed..I have 400 mb/s Internet. So, I am getting right at what I am supposed to get getting when I am hitting the internet. So, I will do some more testing and see what I come up with. Thx for the input.
rodneyat2 wrote:
On your question about ISP speed..I have 400 mb/s Internet. So, I am getting right at what I am supposed to get getting when I am hitting the internet.
Then it's possible that your local wifi is faster than the 400 mb/s.
The RN214 is capable of delivering > 100 MB/sec for large file transfers. I'm not sure exactly what Blackmagic is doing, but there are some loads that are always much slower - for instance directory browsing.
If you are comfortable using ssh, then it is possible to install some stuff that would let you measure the network throughput w/o doing file transfers. It would also be possible to check the raw read/write speeds of your array (with no network).
But looking in the logs would be a good next step. A failing disk would definitely hurt the speed, and of course is something you'd want to replace.
Thx..I did some further testing. And the peformance seems to be farily consistent with multiple computers and even at multiple locations in my house. The wireless performace is not an issue. Inside my network, i can get speeds in the 900mb/s range, computer to computer. So, the network is doing what it should be doing. I looked at the logs after a transfer and there were no glaring issues there. The ethernet port is at 1000 full duplex, no errors on the port. A very small number of dropped packets but that is normal with ethernet. No errors on the disks. So, I am guessing it is really a straight up disk performance issue. I just have to decide if it's worth upgrading the disks. Or living with it as is.
rodneyat2 wrote:
So, I am guessing it is really a straight up disk performance issue.
Could be. You could try confirming that with ssh (doing some file transfers from the linux command line).
Another test is to create a test share, and copy a share to it from a backup job (measuring the time).
If you've never run a BTRFS balance, then I suggest running one (volume settings wheel) and see if performance improves. It likely will take quite a while the first time. But if you schedule it regularly, it generally doesn't take long. I run it every 3 months on my own NAS.
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