On 24.08.2018 12:01, Gilberto Nunes wrote:
So what bond mode I suppose to use in order to get more speed? I mean how
to join the nic to get 4 GB? I will use Ceph!
I know I should use 10gb but I dont have it right now.
Thanks
Em 24/08/2018 03:01, "Dietmar Maurer" <[email protected]> escreveu:
This 802.3ad do no suppose to agrengate the speed of all available NIC??
ceph osd's with talk to different hosts, so the total traffic will
spread out over the 1gbps links.
using layer3+4 will a spread this out even better. since the different
osd's will use different links as well.
ceph + lacp is a good fit.
BUT! ceph's latency will be limited to the 1gbps link, so while you can
get better thruput from 4 channels, you will not get the lower latency.
and on a vm the latency impacts the "feel" of the vm performance more
then the thruput. This is also why 25gbps is better then 40gbps (in
effect 4x10gbps) for storage iops/latency
kind regards
Ronny Aasen
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