[rdo-list] Issue with assigning multiple VFs to VM instance
Chinmaya Dwibedy
ckdwibedy at gmail.com
Mon Jun 20 11:53:19 UTC 2016
Hi ,
Can anyone please suggest how to assign multiple VF devices to
VM instance using open-stack openstack-mitaka release? Thank you in advance
for your time and support.
Regards,
Chinmaya
On Thu, Jun 16, 2016 at 5:42 PM, Chinmaya Dwibedy <ckdwibedy at gmail.com>
wrote:
> Hi All,
>
>
> I have installed open-stack openstack-mitaka release on CentO7 system .
> It has two Intel QAT devices. There are 32 VF devices available per QAT
> Device/DH895xCC device.
>
>
>
> [root at localhost nova(keystone_admin)]# lspci -nn | grep 0435
>
> 83:00.0 Co-processor [0b40]: Intel Corporation DH895XCC Series QAT
> [8086:0435]
>
> 88:00.0 Co-processor [0b40]: Intel Corporation DH895XCC Series QAT
> [8086:0435]
>
> [root at localhost nova(keystone_admin)]# cat
> /sys/bus/pci/devices/0000\:88\:00.0/sriov_numvfs
>
> 32
>
> [root at localhost nova(keystone_admin)]# cat
> /sys/bus/pci/devices/0000\:83\:00.0/sriov_numvfs
>
> 32
>
> [root at localhost nova(keystone_admin)]#
>
>
> Changed the nova configuration (as stated below) for exposing VF ( via
> PCI-passthrough) to the instances.
>
>
> pci_alias = {"name": "QuickAssist", "product_id": "0443", "vendor_id":
> "8086", "device_type": "type-VF"}
>
> pci_passthrough_whitelist = [{"vendor_id":"8086","product_id":"0443"}}]
>
> Restarted the nova compute, nova API and nova scheduler service
>
> service openstack-nova-compute restart;service openstack-nova-api
> restart;systemctl restart openstack-nova-scheduler;
>
> scheduler_available_filters=nova.scheduler.filters.all_filters
>
>
> scheduler_default_filters=RamFilter,ComputeFilter,AvailabilityZoneFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,PciPassthroughFilter
>
>
> Thereafter it shows all the available VFs (64) in nova database upon
> select * from pci_devices. Set the flavor 4 to allow passing two VFs to
> instances.
>
>
> [root at localhost nova(keystone_admin)]# nova flavor-show 4
>
>
> +----------------------------+------------------------------------------------------------+
>
> | Property |
> Value |
>
>
> +----------------------------+------------------------------------------------------------+
>
> | OS-FLV-DISABLED:disabled |
> False |
>
> | OS-FLV-EXT-DATA:ephemeral |
> 0 |
>
> | disk | 80
> |
>
> | extra_specs | {"pci_passthrough:alias": "QuickAssist:2"} |
>
> | id |
> 4 |
>
> | name |
> m1.large |
>
> | os-flavor-access:is_public |
> True |
>
> | ram |
> 8192 |
>
> | rxtx_factor |
> 1.0 |
>
> | swap
> | |
>
> | vcpus |
> 4 |
>
>
> +----------------------------+------------------------------------------------------------+
>
> [root at localhost nova(keystone_admin)]#
>
>
>
> Also when I launch an instance using this new flavor, it goes into an
> error state
>
>
>
> nova boot --flavor 4 --key_name oskey1 --image
> bc859dc5-103b-428b-814f-d36e59009454 --nic
> net-id=e2ca118d-1f25-47de-8524-bb2a2635c4be TEST
>
>
>
>
> Here goes the output of nova-conductor.log
>
>
>
> 2016-06-16 07:55:34.640 5094 WARNING nova.scheduler.utils
> [req-6189d3c8-5587-4350-8cd3-704fd35cf2ad 266f5859848e4f39b9725203dda5c3f2
> 4bc608763cee41d9a8df26d3ef919825 - - -] Failed to
> compute_task_build_instances: No valid host was found. There are not enough
> hosts available.
>
> Traceback (most recent call last):
>
>
>
> File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py",
> line 150, in inner
>
> return func(*args, **kwargs)
>
>
>
> File "/usr/lib/python2.7/site-packages/nova/scheduler/manager.py", line
> 104, in select_destinations
>
> dests = self.driver.select_destinations(ctxt, spec_obj)
>
>
>
> File
> "/usr/lib/python2.7/site-packages/nova/scheduler/filter_scheduler.py", line
> 74, in select_destinations
>
> raise exception.NoValidHost(reason=reason)
>
>
>
> NoValidHost: No valid host was found. There are not enough hosts available.
>
>
> Here goes the output of nova-compute.log
>
>
>
> 2016-06-16 07:57:32.502 170789 INFO nova.compute.resource_tracker
> [req-4529a2a8-390f-4620-98b3-d3eb77e077a3 - - - - -] Total usable vcpus:
> 36, total allocated vcpus: 16
>
> 2016-06-16 07:57:32.502 170789 INFO nova.compute.resource_tracker
> [req-4529a2a8-390f-4620-98b3-d3eb77e077a3 - - - - -] Final resource view:
> name=localhost phys_ram=128721MB used_ram=33280MB phys_disk=49GB
> used_disk=320GB total_vcpus=36 used_vcpus=16
> pci_stats=[PciDevicePool(count=0,numa_node=0,product_id='10fb',tags={dev_type='type-PF'},vendor_id='8086'),
> PciDevicePool(count=63,numa_node=1,product_id='0443',tags={dev_type='type-VF'},vendor_id='8086')]
>
> 2016-06-16 07:57:33.803 170789 INFO nova.compute.resource_tracker
> [req-4529a2a8-390f-4620-98b3-d3eb77e077a3 - - - - -] Compute_service record
> updated for localhost:localhost
>
>
>
> Here goes the output of nova-scheduler.log
>
>
> 2016-06-16 07:55:34.636 171018 WARNING nova.scheduler.host_manager
> [req-6189d3c8-5587-4350-8cd3-704fd35cf2ad 266f5859848e4f39b9725203dda5c3f2
> 4bc608763cee41d9a8df26d3ef919825 - - -] Host localhost has more disk space
> than database expected (-141 GB > -271 GB)
>
> 2016-06-16 07:55:34.637 171018 INFO nova.filters
> [req-6189d3c8-5587-4350-8cd3-704fd35cf2ad 266f5859848e4f39b9725203dda5c3f2
> 4bc608763cee41d9a8df26d3ef919825 - - -] Filter PciPassthroughFilter
> returned 0 hosts
>
> 2016-06-16 07:55:34.638 171018 INFO nova.filters
> [req-6189d3c8-5587-4350-8cd3-704fd35cf2ad 266f5859848e4f39b9725203dda5c3f2
> 4bc608763cee41d9a8df26d3ef919825 - - -] Filtering removed all hosts for the
> request with instance ID '4f68c680-5a17-4a38-a6df-5cdb6d76d75b'. Filter
> results: ['RamFilter: (start: 1, end: 1)', 'ComputeFilter: (start: 1, end:
> 1)', 'AvailabilityZoneFilter: (start: 1, end: 1)',
> 'ComputeCapabilitiesFilter: (start: 1, end: 1)', 'ImagePropertiesFilter:
> (start: 1, end: 1)', 'PciPassthroughFilter: (start: 1, end: 0)']
>
> 2016-06-16 07:56:14.743 171018 INFO nova.scheduler.host_manager
> [req-64a8dc31-f2ab-4d93-8579-6b9f8210ece7 - - - - -] Successfully synced
> instances from host 'localhost'.
>
> 2016-06-16 07:58:17.748 171018 INFO nova.scheduler.host_manager
> [req-152ac777-1f77-433d-8493-6cd86ab3e0fc - - - - -] Successfully synced
> instances from host 'localhost'.
>
>
>
> Note that, If I set the flavor as (#nova flavor-key 4 set
> "pci_passthrough:alias"="QuickAssist:1") , it assigns a single VF to VM
> instance. I think, multiple PFs can be assigned per VM. Can anyone please
> suggest , where I am wrong and the way to solve this ? Thank you in advance
> for your support and help.
>
>
>
>
> Regards,
>
> Chinmaya
>
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