Re: Network very very slow... was iSCSI and jumbo frames

[BERTRAND Joël <joel.bertrand%systella.fr@localhost>]

RVP a écrit :
> Can you do an i3perf test between euclide and legendre using
> one of the ARM binaries from here:
> 
> https://iperf.fr/iperf-download.php
> 
> Do two tests; for both the server end should be on euclide.
> 
> 1. A standard test with any server port you choose.
> 2. A test with the server port on euclide set to the
>    iscsi-target port (3260).
>    You will have to stop the running iscsi target on euclide
>    for this.


[/] # LD_LIBRARY_PATH=/ ./iperf3 -c 192.168.12.1 -p 60000
Connecting to host 192.168.12.1, port 60000
[  4] local 192.168.12.2 port 38724 connected to 192.168.12.1 port 60000
[ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
[  4]   0.00-1.00   sec   117 MBytes   982 Mbits/sec    0    149 KBytes

[  4]   1.00-2.00   sec   118 MBytes   988 Mbits/sec    0    149 KBytes

[  4]   2.00-3.00   sec   118 MBytes   988 Mbits/sec    0    166 KBytes

[  4]   3.00-4.00   sec   118 MBytes   989 Mbits/sec    0    192 KBytes

[  4]   4.00-5.00   sec   118 MBytes   990 Mbits/sec    0    210 KBytes

[  4]   5.00-6.00   sec   118 MBytes   989 Mbits/sec    0    210 KBytes

[  4]   6.00-7.00   sec   118 MBytes   989 Mbits/sec    0    210 KBytes

[  4]   7.00-8.00   sec   118 MBytes   989 Mbits/sec    0    210 KBytes

[  4]   8.00-9.00   sec   118 MBytes   989 Mbits/sec    0    210 KBytes

[  4]   9.00-10.00  sec   118 MBytes   989 Mbits/sec    0    210 KBytes

- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec  1.15 GBytes   988 Mbits/sec    0             sender
[  4]   0.00-10.00  sec  1.15 GBytes   988 Mbits/sec
receiver





legendre:[~] > iperf3 -s -p 60000
-----------------------------------------------------------
Server listening on 60000
-----------------------------------------------------------
Accepted connection from 192.168.12.2, port 38722
[  5] local 192.168.12.1 port 60000 connected to 192.168.12.2 port 38724
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   116 MBytes   977 Mbits/sec
[  5]   1.00-2.00   sec   118 MBytes   988 Mbits/sec
[  5]   2.00-3.00   sec   118 MBytes   988 Mbits/sec
[  5]   3.00-4.00   sec   118 MBytes   988 Mbits/sec
[  5]   4.00-5.00   sec   118 MBytes   989 Mbits/sec
[  5]   5.00-6.00   sec   118 MBytes   989 Mbits/sec
[  5]   6.00-7.00   sec   118 MBytes   989 Mbits/sec
[  5]   7.00-8.00   sec   118 MBytes   989 Mbits/sec
[  5]   8.00-9.00   sec   118 MBytes   989 Mbits/sec
[  5]   9.00-10.00  sec   118 MBytes   989 Mbits/sec
[  5]  10.00-10.00  sec  87.4 KBytes   948 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.00  sec  1.15 GBytes   988 Mbits/sec
receiver
-----------------------------------------------------------
Server listening on 60000
-----------------------------------------------------------
^Ciperf3: interrupt - the server has terminated


Other direction :
[/] # LD_LIBRARY_PATH=/ ./iperf3 -p 60000 -s
-----------------------------------------------------------
Server listening on 60000
-----------------------------------------------------------
Accepted connection from 192.168.12.1, port 56724
[  5] local 192.168.12.2 port 60000 connected to 192.168.12.1 port 56723
[ ID] Interval           Transfer     Bandwidth
[  5]   0.00-1.00   sec  53.2 MBytes   447 Mbits/sec
[  5]   1.00-2.00   sec   113 MBytes   947 Mbits/sec
[  5]   2.00-3.00   sec   115 MBytes   967 Mbits/sec
[  5]   3.00-4.00   sec   115 MBytes   961 Mbits/sec
[  5]   4.00-5.00   sec   114 MBytes   956 Mbits/sec
[  5]   5.00-6.00   sec   117 MBytes   985 Mbits/sec
[  5]   6.00-7.00   sec   115 MBytes   968 Mbits/sec
[  5]   7.00-8.00   sec   117 MBytes   983 Mbits/sec
[  5]   8.00-9.00   sec   113 MBytes   947 Mbits/sec
[  5]   9.00-10.00  sec   112 MBytes   938 Mbits/sec
[  5]  10.00-10.53  sec  59.1 MBytes   939 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth
[  5]   0.00-10.53  sec  0.00 Bytes  0.00 bits/sec                  sender
[  5]   0.00-10.53  sec  1.12 GBytes   911 Mbits/sec
receiver
-----------------------------------------------------------
Server listening on 60000
-----------------------------------------------------------



legendre:[~] > iperf3 -p 60000 -c 192.168.12.2
Connecting to host 192.168.12.2, port 60000
[  5] local 192.168.12.1 port 56723 connected to 192.168.12.2 port 60000
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   111 MBytes   928 Mbits/sec    0    175 KBytes

[  5]   1.00-2.00   sec   115 MBytes   966 Mbits/sec    0   1.40 MBytes

[  5]   2.00-3.00   sec   117 MBytes   985 Mbits/sec    0   1.99 MBytes

[  5]   3.00-4.00   sec   111 MBytes   934 Mbits/sec    0    192 KBytes

[  5]   4.00-5.00   sec   117 MBytes   982 Mbits/sec    0   1.39 MBytes

[  5]   5.00-6.00   sec   116 MBytes   977 Mbits/sec    0   1.98 MBytes

[  5]   6.00-7.00   sec   117 MBytes   980 Mbits/sec    0   2.43 MBytes

[  5]   7.00-8.00   sec   115 MBytes   966 Mbits/sec    0   96.1 KBytes

[  5]   8.00-9.00   sec   112 MBytes   939 Mbits/sec    0    105 KBytes

[  5]   9.00-10.00  sec   112 MBytes   937 Mbits/sec    0    157 KBytes

- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.12 GBytes   959 Mbits/sec    0             sender
[  5]   0.00-10.00  sec  1.12 GBytes   959 Mbits/sec
receiver

iperf Done.

	I cannot stop iscsi target on euclide, bacula has started monthly
backup... And this backup will stop next thursday !...

	But with these both tests and 3st one when Linux acts as initiator, I
think we can exclude an issue in NAS.

	Regards,

	JKB