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Slow performance CIFS/SMB

CIFS/SMB network sharing.
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vince
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Slow performance CIFS/SMB

Post by vince »

Hi,

I mount a NAS with this hardware :
- Asrock Z270M-ITX/AC Carte Mère Intel Socket LGA 1151
- 2x Corsair ValueSelect 8 Go DDR4 2133 MHz CL15
- Intel Core i3 6100T (3.2 GHz)
- 4x HDD Western Digital Red (WD40EFRX) 4To

I have very slow transfert speed :
- From my computer to NAS : 6-7 Mo/s
- From NAS to my computer : 1Mo/s

I test the performance of my HDDs :

Code: Select all

dd if=/dev/zero of=/mnt/raidpool/test.dd bs=2M count=10k
10240+0 records in
10240+0 records out
21474836480 bytes transferred in 78.517325 secs (273504434 bytes/sec)

Code: Select all

dd if=/mnt/raidpool/test.dd of=/dev/null bs=2M count=10k
10240+0 records in
10240+0 records out
21474836480 bytes transferred in 66.447562 secs (323184719 bytes/sec)
Then I test the network:
NAS : iperf3 -s

Code: Select all

iperf3 -s
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 192.168.1.5, port 56633
[  5] local 192.168.1.20 port 5201 connected to 192.168.1.5 port 56634
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  6.91 MBytes  57.9 Mbits/sec
[  5]   1.00-2.00   sec  8.66 MBytes  72.6 Mbits/sec
[  5]   2.00-3.00   sec  7.72 MBytes  64.8 Mbits/sec
[  5]   3.00-4.00   sec  7.70 MBytes  64.6 Mbits/sec
[  5]   4.00-5.00   sec  8.37 MBytes  70.2 Mbits/sec
[  5]   5.00-6.00   sec  8.07 MBytes  67.7 Mbits/sec
[  5]   6.00-7.00   sec  8.07 MBytes  67.7 Mbits/sec
[  5]   7.00-8.00   sec  8.75 MBytes  73.4 Mbits/sec
[  5]   8.00-9.00   sec  7.65 MBytes  64.1 Mbits/sec
[  5]   9.00-10.00  sec  6.99 MBytes  58.6 Mbits/sec
[  5]  10.00-10.11  sec   496 KBytes  36.0 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.11  sec  79.4 MBytes  65.8 Mbits/sec                  receiver
My computer : iperf3.exe -c 192.168.1.20

Code: Select all

iperf3.exe -c 192.168.1.20
Connecting to host 192.168.1.20, port 5201
[  4] local 192.168.1.5 port 56634 connected to 192.168.1.20 port 5201
[ ID] Interval           Transfer     Bandwidth
[  4]   0.00-1.00   sec  7.75 MBytes  65.0 Mbits/sec
[  4]   1.00-2.00   sec  8.75 MBytes  73.4 Mbits/sec
[  4]   2.00-3.00   sec  7.38 MBytes  61.9 Mbits/sec
[  4]   3.00-4.00   sec  7.88 MBytes  66.1 Mbits/sec
[  4]   4.00-5.00   sec  8.38 MBytes  70.3 Mbits/sec
[  4]   5.00-6.00   sec  8.00 MBytes  67.1 Mbits/sec
[  4]   6.00-7.00   sec  8.25 MBytes  69.2 Mbits/sec
[  4]   7.00-8.00   sec  8.50 MBytes  71.3 Mbits/sec
[  4]   8.00-9.00   sec  7.75 MBytes  65.0 Mbits/sec
[  4]   9.00-10.00  sec  6.75 MBytes  56.6 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth
[  4]   0.00-10.00  sec  79.4 MBytes  66.6 Mbits/sec                  sender
[  4]   0.00-10.00  sec  79.4 MBytes  66.6 Mbits/sec                  receiver

iperf Done.
My computer : iperf3.exe -s

Code: Select all

iperf3.exe -s
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 192.168.1.20, port 20454
[  5] local 192.168.1.5 port 5201 connected to 192.168.1.20 port 20455
[ ID] Interval           Transfer     Bandwidth
[  5]   0.00-1.00   sec   654 KBytes  5.36 Mbits/sec
[  5]   1.00-2.00   sec   899 KBytes  7.36 Mbits/sec
[  5]   2.00-3.00   sec  1.01 MBytes  8.47 Mbits/sec
[  5]   3.00-4.00   sec  1.03 MBytes  8.67 Mbits/sec
[  5]   4.00-5.00   sec   926 KBytes  7.58 Mbits/sec
[  5]   5.00-6.00   sec   912 KBytes  7.47 Mbits/sec
[  5]   6.00-7.00   sec   949 KBytes  7.78 Mbits/sec
[  5]   7.00-8.00   sec   821 KBytes  6.72 Mbits/sec
[  5]   8.00-9.00   sec   743 KBytes  6.08 Mbits/sec
[  5]   9.00-10.00  sec   712 KBytes  5.83 Mbits/sec
[  5]  10.00-10.39  sec   336 KBytes  7.00 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth
[  5]   0.00-10.39  sec  0.00 Bytes  0.00 bits/sec                  sender
[  5]   0.00-10.39  sec  8.83 MBytes  7.13 Mbits/sec                  receiver
NAS : iperf3 -c 192.168.1.5

Code: Select all

iperf3 -c 192.168.1.5
Connecting to host 192.168.1.5, port 5201
[  5] local 192.168.1.20 port 20455 connected to 192.168.1.5 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  1.08 MBytes  9.02 Mbits/sec    0    209 KBytes
[  5]   1.00-2.00   sec   911 KBytes  7.46 Mbits/sec    0    209 KBytes
[  5]   2.00-3.00   sec  1.03 MBytes  8.64 Mbits/sec    0    209 KBytes
[  5]   3.00-4.00   sec  1007 KBytes  8.25 Mbits/sec    0    209 KBytes
[  5]   4.00-5.00   sec   928 KBytes  7.60 Mbits/sec    0    209 KBytes
[  5]   5.00-6.00   sec   993 KBytes  8.13 Mbits/sec    0    209 KBytes
[  5]   6.00-7.00   sec   911 KBytes  7.46 Mbits/sec    0    209 KBytes
[  5]   7.00-8.00   sec   772 KBytes  6.32 Mbits/sec    0    209 KBytes
[  5]   8.00-9.00   sec   727 KBytes  5.95 Mbits/sec    0    209 KBytes
[  5]   9.00-10.00  sec   817 KBytes  6.70 Mbits/sec    0    209 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  9.00 MBytes  7.55 Mbits/sec    0             sender
[  5]   0.00-10.00  sec  8.83 MBytes  7.41 Mbits/sec                  receiver

iperf Done.
I don't know the problem and how solve it. Can you help me ?

Thanks
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raulfg3
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Re: Slow performance CIFS/SMB

Post by raulfg3 »

read tune-up: viewforum.php?f=10
12.1.0.4 - Ingva (revision 7743) on SUPERMICRO X8SIL-F 8GB of ECC RAM, 11x3TB disk in 1 vdev = Vpool = 32TB Raw size , so 29TB usable size (I Have other NAS as Backup)

Wiki
Last changes

HP T510
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noclaf
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Re: Slow performance CIFS/SMB

Post by noclaf »

vince - your problem is 99% not related to N4F SW. It seems you have some 100Mbit network hardware somewhere between your NAS and PC (probably 100Mbit card, switch/router...or very very very bad cable).
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mooblie
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Re: Slow performance CIFS/SMB

Post by mooblie »

noclaf wrote: ↑
23 Sep 2017 21:28
 ...or very very very bad cable).

...or a cheap network cable without all eight cores (four twisted pairs) connected. 100Mbps Ethernet only needs four cores (two twisted pairs), whereas 1Gbps Ethernet needs all eight connected.

Also: agreed - most routers have only 100Mbps sockets on the back, thereby limited the speed of anything connected via the router. You would need to get a separate 1Gbps switch between the PC and NAS, and then connect that via a single network cable to the router to provide a 1Gbps path between the PC and router.
Martin
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ChriZathens
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Re: Slow performance CIFS/SMB

Post by ChriZathens »

There's definitely something wrong there
On the last two tests I see 7-8Mbits which is abysmal even comparing to -ancient - 802.11g WiFi speeds.
My Nas
  1. Case: Fractal Design Define R2
  2. M/B: Supermicro x9scl-f
  3. CPU: Intel Celeron G1620
  4. RAM: 16GB DDR3 ECC (2 x Kingston KVR1333D3E9S/8G)
  5. PSU: Chieftec 850w 80+ modular
  6. Storage: 8x2TB HDDs in a RaidZ2 array ~ 10.1 TB usable disk space
  7. O/S: XigmaNAS 11.2.0.4.6625 -amd64 embedded
  8. Extra H/W: Dell Perc H310 SAS controller, crosflashed to LSI 9211-8i IT mode, 8GB Innodisk D150SV SATADOM for O/S

Backup Nas: U-NAS NSC-400, Gigabyte MB10-DS4 (4x4TB Seagate Exos disks in RaidZ configuration - 32GB RAM)
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vince
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Re: Slow performance CIFS/SMB

Post by vince »

Hi,

Thank you for your replies. Effectively my switch was a 10 / 100Mbps. I change it for this : NETGEAR GS108GE
This switch has two led per RJ45. Left led for 100Mbps and the right led for 10Mbps. If both flash then the connexion is in 1Gpbs. In my case both flashes.
But the performance is not good.
NAS : iperf3 -s

Code: Select all

-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 192.168.1.5, port 49822
[  5] local 192.168.1.20 port 5201 connected to 192.168.1.5 port 49823
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  3.48 MBytes  29.2 Mbits/sec
[  5]   1.00-2.00   sec  4.45 MBytes  37.3 Mbits/sec
[  5]   2.00-3.00   sec  4.81 MBytes  40.3 Mbits/sec
[  5]   3.00-4.00   sec  7.27 MBytes  61.0 Mbits/sec
[  5]   4.00-5.00   sec  7.98 MBytes  67.0 Mbits/sec
[  5]   5.00-6.00   sec  6.98 MBytes  58.5 Mbits/sec
[  5]   6.00-7.00   sec  5.90 MBytes  49.5 Mbits/sec
[  5]   7.00-8.00   sec  6.47 MBytes  54.3 Mbits/sec
[  5]   8.00-9.00   sec  5.39 MBytes  45.2 Mbits/sec
[  5]   9.00-10.00  sec  5.97 MBytes  50.1 Mbits/sec
[  5]  10.00-10.08  sec   538 KBytes  52.5 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.08  sec  59.2 MBytes  49.3 Mbits/sec                  receiver
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
My computer : iperf3.exe -c 192.168.1.20

Code: Select all

Connecting to host 192.168.1.20, port 5201
[  4] local 192.168.1.5 port 49823 connected to 192.168.1.20 port 5201
[ ID] Interval           Transfer     Bandwidth
[  4]   0.00-1.00   sec  3.75 MBytes  31.5 Mbits/sec
[  4]   1.00-2.00   sec  4.75 MBytes  39.8 Mbits/sec
[  4]   2.00-3.00   sec  4.88 MBytes  40.9 Mbits/sec
[  4]   3.00-4.00   sec  7.12 MBytes  59.8 Mbits/sec
[  4]   4.00-5.00   sec  8.25 MBytes  69.2 Mbits/sec
[  4]   5.00-6.00   sec  6.88 MBytes  57.7 Mbits/sec
[  4]   6.00-7.00   sec  5.88 MBytes  49.3 Mbits/sec
[  4]   7.00-8.00   sec  6.25 MBytes  52.4 Mbits/sec
[  4]   8.00-9.00   sec  5.62 MBytes  47.2 Mbits/sec
[  4]   9.00-10.00  sec  5.88 MBytes  49.3 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth
[  4]   0.00-10.00  sec  59.2 MBytes  49.7 Mbits/sec                  sender
[  4]   0.00-10.00  sec  59.2 MBytes  49.7 Mbits/sec                  receiver

iperf Done.
My computer : iperf3.exe -s

Code: Select all

-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 192.168.1.20, port 49162
[  5] local 192.168.1.5 port 5201 connected to 192.168.1.20 port 15984
[ ID] Interval           Transfer     Bandwidth
[  5]   0.00-1.00   sec   698 KBytes  5.72 Mbits/sec
[  5]   1.00-2.00   sec   756 KBytes  6.19 Mbits/sec
[  5]   2.00-3.00   sec   678 KBytes  5.55 Mbits/sec
[  5]   3.00-4.00   sec   746 KBytes  6.11 Mbits/sec
[  5]   4.00-5.00   sec   661 KBytes  5.42 Mbits/sec
[  5]   5.00-6.00   sec   481 KBytes  3.94 Mbits/sec
[  5]   6.00-7.00   sec   502 KBytes  4.11 Mbits/sec
[  5]   7.00-8.00   sec   682 KBytes  5.58 Mbits/sec
[  5]   8.00-9.00   sec   844 KBytes  6.92 Mbits/sec
[  5]   9.00-10.00  sec   834 KBytes  6.83 Mbits/sec
[  5]  10.00-10.63  sec   271 KBytes  3.51 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth
[  5]   0.00-10.63  sec  0.00 Bytes  0.00 bits/sec                  sender
[  5]   0.00-10.63  sec  6.99 MBytes  5.51 Mbits/sec                  receiver
iperf3: the client has unexpectedly closed the connection
NAS : iperf3 -c 192.168.1.5

Code: Select all

Connecting to host 192.168.1.5, port 5201
[  5] local 192.168.1.20 port 15984 connected to 192.168.1.5 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  1.15 MBytes  9.62 Mbits/sec    0    209 KBytes
[  5]   1.00-2.00   sec   758 KBytes  6.21 Mbits/sec    0    209 KBytes
[  5]   2.00-3.00   sec   682 KBytes  5.58 Mbits/sec    0    209 KBytes
[  5]   3.00-4.00   sec   676 KBytes  5.53 Mbits/sec    0    209 KBytes
[  5]   4.00-5.00   sec   690 KBytes  5.66 Mbits/sec    0    209 KBytes
[  5]   5.00-6.00   sec   478 KBytes  3.91 Mbits/sec    0    209 KBytes
[  5]   6.00-7.00   sec   492 KBytes  4.02 Mbits/sec    0    209 KBytes
[  5]   7.00-8.00   sec   730 KBytes  5.99 Mbits/sec    0    209 KBytes
[  5]   8.00-9.00   sec   846 KBytes  6.93 Mbits/sec    0    209 KBytes
[  5]   9.00-10.00  sec   806 KBytes  6.60 Mbits/sec    0    209 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  7.16 MBytes  6.01 Mbits/sec    0             sender
[  5]   0.00-10.00  sec  6.99 MBytes  5.86 Mbits/sec                  receiver

iperf Done.
The performances are the same before change my switch. Have you any other idea ?
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