Hi Krzys,
Link Aggregations don't make one system to system connection have
more througput. It is designed to allow multiple systems to have
their
sessions hashed across members of the aggregation.
I don't know the details of L4 hashing and whether two separate
connections may hash onto different links. However, I'd expect
much more than 10-17 MB/s on the v240. I tried some transfers
without LA and got between 50 and 110MB/s. The 10MB/s sounds
like you are only running at 100Mbps.
But I don't fully understand how you are testing this.
Steffen
Krzys wrote:
Hello all, I started to read about Link Aggregation in Solaris 10 and
wanted to play with it... Well I did purchase Linksys SRW2024 switch,
that is 24 port switch, it suppose to support Link Aggregation. So I did
create in my switch groups for my servers then I did set up Link
Aggregation on my servers. Everything seems to be working great but
under my linksys utilization I am seeing only like 10% utilization on
one port in each group and I am only getting 10-17MB/s transfers. I have
2 V240's with bge interfaces, I did put 4 of them into one group and for
some reason I would expect slightly faster transfers...
here is what I did on each server:
eeprom local-mac-address?=true
cd /etc/
mv hostname.bge0 _hostname.bge0
cp -p _hostname.bge0 /etc/hostname.aggr1
ifconfig bge0 unplumb
dladm create-aggr -d bge0 -d bge1 -d bge2 -d bge3 1
ifconfig aggr1 plumb
ifconfig aggr1 inet 192.168.123.10 up
dladm modify-aggr -l active 1
reboot -- -r
of course IP addresses changed in that picture...
[13:47:31] @chrysek: /root > dladm show-link
bge0 type: non-vlan mtu: 1500 device: bge0
bge1 type: non-vlan mtu: 1500 device: bge1
bge2 type: non-vlan mtu: 1500 device: bge2
bge3 type: non-vlan mtu: 1500 device: bge3
aggr1 type: non-vlan mtu: 1500 aggregation: key 1
[13:47:32] @chrysek: /root >
[13:47:32] @chrysek: /root > dladm show-aggr
key: 1 (0x0001) policy: L4 address: 0:3:ba:e0:4d:5b (auto)
device address speed duplex
link state
bge0 0:3:ba:e0:4d:5b 1000 Mbps full up
attached
bge1 0:3:ba:e0:4d:5c 1000 Mbps full up
attached
bge2 0:3:ba:e0:4d:5d 1000 Mbps full up
attached
bge3 0:3:ba:e0:4d:5e 1000 Mbps full up
attached
[13:47:59] @chrysek: /root >
Any idea what I did not do right? Or what am I missing? Why I am not
able to go beyond the speed that I am getting?
Thanks for any suggestion or help.
Regards,
Chris
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