UPDATE: QNAP-UC5G1T - Drastic performance decrease when writing write to NAS #32
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jmrickerby
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jmrickerby
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I would guess that disk write speed is the bottleneck.
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Yes, using the front USB. Want me to swap to the back? It was previously performing well connected to the front USB port. dmesg output - not sure if this is relevant: Thank you for all your time and effort to create and support this driver. |
iPerf numbers look good - looks like I have a Synology SMB issue :-( Not sure why, as it was working nicely before. Disk performance: Ran SMART tests on the HDs and they both report healthy. The volume also reports as healthy. Shut down optional packages and indexing, restarted the NAS and still seeing this poor write performance. Also seeing the write issue on the Synology network interface. Heading over to the Synology forums. Sorry to waste your time. |
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FYI: Changing the version of SMB or some configurations in smb.conf might help improving performance. I appreciate it if you share the solution to the issue with other people when you resolved the issue. |
I have the same issue except on the DS918+. I used to get about 300MBps write but now I get less than 5MBps write. Read speed is still over 300MBps. Issue started sometime in November. I've had to return to using the Gigabit built-in ethernet due to such low speeds. Please let me know if I can supply information. I created an account just to add my thoughts. I've been troubleshooting this for weeks (on and off) and cannot fix it. |
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My issues appears to be that Jumbo Frames (Synology interface MTU 9000) have broken, but in a weird way!
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I forgot to reply to your previous comment....
No, I just wanted to confirm you are using the front port.
I think this output is not relevant because the value of my environment is lower than yours. I would like to know what SMB version you are using. Using "SMB2 with large MTU" or SMB3 may change something. I'm using SMB3. And, if you can capture the packets before/after the issue occurred I will try to take a look at them. |
To confirm I am using SMB3 as the "maximum protocol". Current Synology configuration as follows:
After setting netsh ipv4 settings back to defaults, and Windows NIC set to MTU of 9014, the results below are looking normal: After a lot of troubleshooting, writing to the Synology with MTU 9000 settings all around, is still an issue. Test with QNAP interface and Windows 10 set to MTU 9014 (In NIC Advanced tab, netsh indicates MTU 9000): Test with Synology 1gbps interface and Windows 10 MTU 9014: Test with QNAP interface and Windows MTU 4088 (In NIC Advanced tab, netsh indicates MTU 4074): Test with Synology 1gbps interface and Windows 10 MTU 4088: Can you recommend a packet sniffer (and command line options) you want me to use? Windump? |
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Hmm, can you test under direct connection using a cross cable without the switch to isolate the problem?
I recommend using the Wireshark on the Windows side. |
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Hi all, I have recently just re added back my QNA-UC5G1T using aqc111-apollolake-1.3.3.0-8.spk driver on my ds218+ with DSM7. It has very fast read speed(330MB/s max) but the write speed is 30-50X slower(5-17MB/s). I have try to do the same task on with the in build nic and was able to get 1gb speed on both way(faster on the esata ssd). have rebooted the nas each time i change the nic or driver version. I use to be able to run run all of my 5 and 2.5gb nic at full speed back at Sept 2021. But i was moving around and did not use those nic till now. was wondering if it was some settings that need to be tweak? I will try with older driver and see if it helps. test file use: so my setup is Switch pc SMB setting: min SMB1, max SMB3, Transport encryption : Client define using the onbaord nic |
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What happens if the QNA-UC5G1T dongle is attached to the PC without changing the environment such as switches and cables? |
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so i have play around with my 10G/5gb nic. I notice that the fastest read speed using my 10gb intel x520(PC) at 330MB/s with the NAS with the Sabrent NT-SS5G 5GB usb nic when I switch to QNA-UC5G1T on my pc get around 250MB/s with the same nic on the nas. but write is around 190MB/s. So i did more test swapping NIC/network cable on the nas. having mixed issue. slow write speed to nas/not able to access nas(just hang when i try to access). have to reboot nas/pc/switch/router to restart all the test. i have also updated to the latest dsm version(could not get the version as my nas is no reachable now LOL. I will try more test after i get my other 10G switch setup. as the CRS305 has only 4 10G and it is affecting my home wifi. so i will do all the test on another network . |
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Some transceivers are not compatible with NBASE-T, which makes communication unstable, so I suspected that case. However, since you are getting correct performance in some setups, that seems unlikely. |
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It is working now after I move all of my 2.5/5/10GB NIC to my Mikrotik CRS312 10G switch. Could be my network issue or the nas hdd, As I have just clean it up to have more than 20% free space and run a defrag. But great thanks for providing the updated driver and support for all of them . |
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Try turning off jumbo frames on the NAS 10Gb network adapter. I’ve seen
this issue before and I think it was jumbo frames. Also change minimum SMB
version from 1 to 2, unless you specifically need support for version 1.
Not sure if that will help but there are some potential vulnerabilities in
with the old version of SMB I think.
…On Thu, Oct 6, 2022 at 01:13 Linlinwho1 ***@***.***> wrote:
Hi all,
I have recently just re added back my QNA-UC5G1T using
aqc111-apollolake-1.3.3.0-8.spk driver on my ds218+ with DSM7. It has very
fast read speed(330MB/s max) but the write speed is 30-50X
slower(5-17MB/s). I have try to do the same task on with the in build nic
and was able to get 1gb speed on both way(faster on the esata ssd). have
rebooted the nas each time i change the nic or driver version.
I use to be able to run run all of my 5 and 2.5gb nic at full speed back
at Sept 2021. But i was moving around and did not use those nic till now.
was wondering if it was some settings that need to be tweak? I will try
with older driver and see if it helps.
so my setup is
DS218+
DSM 7.0-41890
internal Lan is 1gb mtu 9000
front usb 3.0 port: QNA-UC5G1T
eSata port: Samsung 840 pro 1TB sata ssd
Switch
mikrotik crs305-1g-4s+in
mtu 9000
pc
Windows 10 21H1
i5 11400
40gb ram
Samsung 980 500gb ssd(nvme) Up to 3,500 MB/s sequential read and 3,000
MB/s write
Intel X520 10GB nic
SMB setting: min SMB1, max SMB3, Transport encryption : Client define
using the QNA-UC5G1T nic
file copy from nas(esata ssd) to pc : 316-330 MB/s speed
file copy from pc to nas(esata ssd) : 5-17MB/s speed
file copy from nas(HDD raid 1) to pc : 140-167 MB/s speed
file copy from pc to nas(HDD raid 1) : 5-17MB/s speed
using the onbaord nic
file copy from nas(esata ssd) to pc : 114-119MB/s speed
file copy from pc to nas(esata ssd) : 114-119MB/s speed
file copy from nas(HDD raid 1) to pc : 114-119 MB/s speed
file copy from pc to nas(HDD raid 1) : 114-119MB/s speed
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I have disabled Jumbo Frames on the NAS and this has helped somewhat. After a lot of investigation, I think a firmware update on my Cisco switch may be the root of the issue. My Canon MF5960 printer/scanner/copier requires SMB1 to upload scanned pages to the Synology CIFS share :-( |
The QNAP-UC5G1T is connected to a "FS 10GBASE-T SFP+ Copper RJ-45 30m Module, Cisco Compatible" in my Cisco switch. It's going to be a huge pain, but I will try rolling back my Cisco switch firmware. |
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My canon printer also requires SMB 1 smh… super lame.
…On Tue, Oct 11, 2022 at 21:34 jmrickerby ***@***.***> wrote:
Try turning off jumbo frames on the NAS 10Gb network adapter. I’ve seen
this issue before and I think it was jumbo frames. Also change minimum SMB
version from 1 to 2, unless you specifically need support for version 1.
Not sure if that will help but there are some potential vulnerabilities in
with the old version of SMB I think.
I have disabled Jumbo Frames on the NAS and this has helped somewhat.
After a lot of investigation, I think a firmware update on my Cisco switch
may be the root of the issue. My Canon MF5960 printer/scanner/copier
requires SMB1 to upload scanned pages to the Synology CIFS share :-(
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Recent an issue has developed with the DS718+ and a QNAP-UC5G1T. They were initially working well together, (see previous report). However, recently write performance has dropped off to 5MB/s while write performance, but retains 423/MB read second (to and from the NAS). The QNAP-UC5G1t is outside of the stock enclosure with an additional heat sink, so I do not believe thermal throttling is the culprit.
##uname -a:
##dmesg:
##lsusb:
ifcongif -a:
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