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Forum Discussion
SeeD
Jan 16, 2018Tutor
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
Jan 17, 2018Tutor
Hello,
Yes, it's the same story when only one link is active.
I forgot to mention that IPv6 is disabled, and disks run in RAID5.
Regards
SeeD
StephenB
Jan 17, 2018Guru - Experienced User
It doesn't appear to be CPU bound (based on your TOP results), and a network issue seems unlikely since the direct connects are giving you the same results, and IPv6 is disabled.
Have you looked at the SMART stats for the disks (download the log zip, and look in disk_info.log)?
You could also try a balance and maybe a defrag (retesting when both complete).
Also, if ReadyCloud is installed on all the PCs, you might want to uninstall it on one, just to make sure the system isn't routing through the VPN for some reason.
- SeeDJan 17, 2018Tutor
Thank you for the tip - I will take a look at SMART statisticks and perform both defrag and rebalance. I will post an update when it will be finished. I'm not using ReadyCloud.
- SeeDJan 18, 2018Tutor
Hello,
I checked the SMART stats, no errors found:
Device: sdd
Controller: 0
Channel: 0
Model: WDC WD30EFRX-68EUZN0
Firmware: 80.00A80
Class: SATA
RPM: 5400
Sectors: 5860533168
Pool: data
PoolType: RAID 5
PoolState: 1
PoolHostId: e362f16
Health data
ATA Error Count: 0
Reallocated Sectors: 0
Reallocation Events: 0
Spin Retry Count: 0
Current Pending Sector Count: 0
Uncorrectable Sector Count: 0
Temperature: 29
Start/Stop Count: 4452
Power-On Hours: 10051
Power Cycle Count: 675
Load Cycle Count: 4413
Simmilar output for the rest of drives.
I also completed defragmentation and after that rebalance process. I have re-run the test with one link in bound active. Unfortunatelly no improvement in NAStester1.7 output:
Running a 400MB file write on (...) 5 times...
Iteration 1: 3,06 MB/sec
Iteration 2: 2,60 MB/sec
Iteration 3: 2,76 MB/sec
Iteration 4: 2,91 MB/sec
Iteration 5: 2,89 MB/sec
-----------------------------
Average (W): 2,84 MB/sec
-----------------------------
Running a 400MB file read on (...) 5 times...
Iteration 1: 13,02 MB/sec
Iteration 2: 13,70 MB/sec
Iteration 3: 12,21 MB/sec
Iteration 4: 14,24 MB/sec
Iteration 5: 13,31 MB/sec
-----------------------------
Average (R): 13,30 MB/sec
-----------------------------
Regards
SeeD- StephenBJan 18, 2018Guru - Experienced User
Can you try a direct-connect test, and see if that gives you better results?
You'd connect the ReadyNAS NIC directly to the PC. To do this you'd need to configure a static address on the NAS port (for instance 192.168.100.100, subnet mask 255.255.255.0, gateway 192.168.100.1), with a compatible static address on the PC (for instance, 192.168.100.101, with the same subnet mask and gateway). Then run NAStester using the ReadyNAS static address.
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