Public bug reported:
* We are setting up two compute nodes with numa node & pf nested providers.
And only one pf from cn1 has HW_NIC_OFFLOAD_GENEVE trait.
compute node (cn1)
[CPU:16, MEMORY_MB:32768]
/+++++++++++++++\
/++++++++++++++++ \
cn1_numa0 ++++++++++++ cn1_numa1
| ++++++++++++++++++ |
| ++++++++++++++++++ |
cn1_numa0_pf0 ++++++++ cn1_numa1_pf1 (trait=HW_NIC_OFFLOAD_GENEVE)
[SRIOV_NET_VF:8] [SRIOV_NET_VF:8]
compute node (cn2)
[CPU:16, MEMORY_MB:32768]
/++++++++++++++++++\
/+++++++++++++++++++ \
cn2_numa0 ++++++++++++ cn2_numa1
| ++++++++++++++++++++ |
| ++++++++++++++++++++ |
cn2_numa0_pf0 ++++++++ cn2_numa1_pf1
[SRIOV_NET_VF:8] [SRIOV_NET_VF:8]
* Next request with
- resources={CPU: 2, MEMORY_MB: 256, SRIOV_NET_VF: 1}
- required_traits=[HW_NIC_OFFLOAD_GENEVE]
* The expected result is to get allocation request with only “cn1_numa1_pf1”,
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa1_pf1’, fields.ResourceClass.SRIOV_NET_VF, 1)],
* But actually we also get allocation request with “cn1_numa1_pf0” from the
same tree with traits.
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa1_pf1’, fields.ResourceClass.SRIOV_NET_VF, 1)],
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa0_pf0', fields.ResourceClass.SRIOV_NET_VF, 1)],
** Affects: nova
Importance: Undecided
Status: New
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1771707
Title:
allocation candidates with nested providers have inappropriate
candidates when traits specified
Status in OpenStack Compute (nova):
New
Bug description:
* We are setting up two compute nodes with numa node & pf nested providers.
And only one pf from cn1 has HW_NIC_OFFLOAD_GENEVE trait.
compute node (cn1)
[CPU:16, MEMORY_MB:32768]
/+++++++++++++++\
/++++++++++++++++ \
cn1_numa0 ++++++++++++ cn1_numa1
| ++++++++++++++++++ |
| ++++++++++++++++++ |
cn1_numa0_pf0 ++++++++ cn1_numa1_pf1 (trait=HW_NIC_OFFLOAD_GENEVE)
[SRIOV_NET_VF:8] [SRIOV_NET_VF:8]
compute node (cn2)
[CPU:16, MEMORY_MB:32768]
/++++++++++++++++++\
/+++++++++++++++++++ \
cn2_numa0 ++++++++++++ cn2_numa1
| ++++++++++++++++++++ |
| ++++++++++++++++++++ |
cn2_numa0_pf0 ++++++++ cn2_numa1_pf1
[SRIOV_NET_VF:8] [SRIOV_NET_VF:8]
* Next request with
- resources={CPU: 2, MEMORY_MB: 256, SRIOV_NET_VF: 1}
- required_traits=[HW_NIC_OFFLOAD_GENEVE]
* The expected result is to get allocation request with only “cn1_numa1_pf1”,
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa1_pf1’, fields.ResourceClass.SRIOV_NET_VF, 1)],
* But actually we also get allocation request with “cn1_numa1_pf0” from the
same tree with traits.
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa1_pf1’, fields.ResourceClass.SRIOV_NET_VF, 1)],
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa0_pf0', fields.ResourceClass.SRIOV_NET_VF, 1)],
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1771707/+subscriptions
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