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RN104 6.9.1 poor SMB read/write performance
Hello, I have RN104 with OS 6.9.1 on it. Since 6.9.0 i have really poor read/write performance from SMB shares. Setup: 4 drives WD RED 3TB WD30EFRX - 40% free space Link bound 2x1Gb uplinks to Ne...
SeeD wrote:
OK, I have removed all quotas on all folders - no change on performance.
Try also tuning quotas off on the settings wheel in the volume tab.
SeeD wrote:
Running a 400MB file write on \\(Folder 1) 5 times...
Iteration 1: 35,51 MB/sec
Iteration 2: 34,42 MB/sec...
When I run it on the folder I run it before:
Running a 400MB file write on \\(Folder 2) 5 times...
Iteration 1: 2,98 MB/sec
Iteration 2: 2,63 MB/sec...
There's a clue here for sure.
Can you try creating a fresh test share that matches the configuration of folder 2?, and measure the speed in the test share?
A small update in this topic.
I created a new folder with the same settings. After the test I'm getting ~30MB/s - so it's good.
I copied almost all the files from old folder to the new one and it was still ok. When I copied the biggest archive file which is currently ~1,5TB in size the performance for this folder dropped to ~3MB/s. In other words it looks like the presence of big file (even if the file is not used by anyone during the test) kills the NAS performance on folder level. Strange thing is that prior the 6.9.0 upgrade there were no issues with that.
Now I know what is the reason of this performance drop but I do not know if anything can be done with this, as removal of this file is not an option.
Thank you for your help.
Regards
SeeD
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