Hi,
It is because your switch is not performing round-robin distribution while
sending data to server (probably it can't). Usually it is enough to configure
ip-port LACP hashing to evenly distribute traffic by all ports in aggregation.
But any single tcp connections will still be using only one interface.
--
Dmitry Glushenok
Jet Infosystems
> 21 сент. 2016 г., в 23:42, James Ching написал(а):
>
> Hi,
>
> I'm using gluster 3.7.5 and I'm trying to get port bonding working properly
> with the gluster protocol. I've bonded the NICs using round robin because I
> also bond it at the switch level with link aggregation. I've used this type
> of bonding without a problem with my other applications but for some reason
> gluster does not want to utilize all 3 NICs for writes but it does for
> reads... any of you come across this or know why? Here's the output of the
> traffic on the NICs you can see that RX is unbalanced but TX is completely
> balanced across the 3 NICs. I've tried both mounting via glusterfs or nfs,
> both result in the same imbalance. Am I missing some configuration?
>
>
> root@e-gluster-01:~# ifconfig
> bond0 Link encap:Ethernet
> inet addr: Bcast:128.33.23.255 Mask:255.255.248.0
> inet6 addr: fe80::46a8:42ff:fe43:8817/64 Scope:Link
> UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
> RX packets:160972852 errors:0 dropped:0 overruns:0 frame:0
> TX packets:122295229 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:152800624950 (142.3 GiB) TX bytes:138720356365 (129.1 GiB)
>
> em1 Link encap:Ethernet
> UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
> RX packets:160793725 errors:0 dropped:0 overruns:0 frame:0
> TX packets:40763142 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:152688146880 (142.2 GiB) TX bytes:46239971255 (43.0 GiB)
> Interrupt:41
>
> em2 Link encap:Ethernet
> UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
> RX packets:92451 errors:0 dropped:0 overruns:0 frame:0
> TX packets:40750031 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:9001370 (8.5 MiB) TX bytes:46216513162 (43.0 GiB)
> Interrupt:45
>
> em3 Link encap:Ethernet
> UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
> RX packets:86676 errors:0 dropped:0 overruns:0 frame:0
> TX packets:40782056 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:103476700 (98.6 MiB) TX bytes:46263871948 (43.0 GiB)
> Interrupt:40
>
>
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