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Forum Discussion
RN102 broken after OS 6.10.4 update
My RN102 appears to be broken after updated to 6.10.4. Not sure which came first, I updated the OS to 6.10.4 and noticed very slow transfer speed when I copied hundreds of JPEG images from the SD car...
dstsui wrote:
I ran NASTester all Shares. The Share with BitRot protection enabled measured 25MB/s. The remaining Shares with BitRot protection disabled measured 36MB/s on average. Is this speed normal at all?
Both speeds sound low to me. Are you testing over wifi or gigabit ethernet? On gigabit you can get ~70 MB/s read and ~50 MB/s write.
There were some improvements made to the BTRFS setup some years ago. But to take advantage of them you'd need to do a factory reset, rebuild the NAS, and restore all the data from backup. I tested that some time ago, and it did make a significant difference on my RN102.
dstsui wrote:
Is BitRot protection worth the sacrifice in speed?
Up to you really. I do leave it on my main NAS (an RN526x), but I've never had bitrot protection kick in and recover a file. But it's not an RN100 series, and even with bitrot on, it can saturate a fast gigabit connection.
I disabled BTRFS on all shares and with no background process running, I got the following test results on one of the Shares:
NAS performance tester 1.7 http://www.808.dk/?nastester
Running warmup...
Running a 400MB file write on R: 5 times...
Iteration 1: 52.86 MB/sec
Iteration 2: 58.10 MB/sec
Iteration 3: 56.61 MB/sec
Iteration 4: 52.46 MB/sec
Iteration 5: 58.37 MB/sec
-----------------------------
Average (W): 55.68 MB/sec
-----------------------------
Running a 400MB file read on R: 5 times...
Iteration 1: 33.95 MB/sec
Iteration 2: 34.29 MB/sec
Iteration 3: 30.59 MB/sec
Iteration 4: 29.39 MB/sec
Iteration 5: 33.50 MB/sec
-----------------------------
Average (R): 32.34 MB/sec
The write speed has improved signficantly but the read speed has not improved. Any clues?
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