For example, I have SR-IOV PF with four ports (P_i), two of them are
connected to one switch (SW_1) and other two to another (SW_2). I
would like to get VFs from distinct ports connected to distinct
switches (more details can be found in spec [1]), how it can be
modeled with nested resource providers?
Several possible solutions I see:
1)
--- compute node -----
----/ / \ \------
-----/ / \ \-------
/ / \ \
SR-IOV PF SR-IOV PF SR-IOV PF SR-IOV PF
(traits:P1,SW1) (traits:P2,SW1) (traits:P3,SW2) (traits:P4,SW2)
: : : :
/ \ / \ / \ / \
/ \ / \ / \ / \
VF1 VF2 VF3 VF4 VF5 VF6 VF7 VF8
2)
compute node
/ \
/ \
SR-IOV PF SR-IOV PF
(traits:SW1) (traits:SW2)
/ \ / \
/ \ / \
SR-IOV PF SR-IOV PF SR-IOV PF SR-IOV PF
(traits:P1) (traits:P2) (traits:P3) (traits:P4)
: : : :
/ \ / \ / \ / \
/ \ / \ / \ / \
VF1 VF2 VF3 VF4 VF5 VF6 VF7 VF8
3) Use tags for inventories, so the problem can be solved without complex
structures.
Are the described options applicable or there are other to solve the issue?
[1] https://review.openstack.org/#/c/182242/
--
Thanks,
Andrey Volkov,
Software Engineer, Mirantis, Inc.
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