sheepdog tempest job failing due to insufficient space

[Eric Harney]

The sheepdog CI job is failing because the backend does not have sufficient space when running the tempest tests. This likely means some configuration in the job needs to be changed.

http://logs.openstack.org/38/523138/3/check/legacy-tempest-dsvm-full-sheepdog/13c4781/logs/screen-c-sch.txt.gz#_Nov_27_16_31_22_134848

Nov 27 16:31:22.134848 ubuntu-xenial-rax-iad-0001076276 cinder-scheduler[29442]: WARNING cinder.scheduler.filters.capacity_filter [None req-3731aa86-b9cc-4614-8979-bd5d557070d3 tempest-VolumesSnapshotTestJSON-2015679763 None] Insufficient free space for volume creation on host ubuntu-xenial-rax-iad-0001076276@sheepdog#sheepdog (requested / avail): 2/1.58283996582
Nov 27 16:31:22.142802 ubuntu-xenial-rax-iad-0001076276 cinder-scheduler[29442]: ERROR cinder.scheduler.flows.create_volume [None req-3731aa86-b9cc-4614-8979-bd5d557070d3 tempest-VolumesSnapshotTestJSON-2015679763 None] Failed to run task cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask;volume:create: No valid backend was found. No weighed backends available: NoValidBackend: No valid backend was found. No weighed backends available

[Eric Harney (eharney)]

http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22Insufficient%20free%20space%20for%20volume%20creation%20on%20host%5C%22%20tags%3Ascreen-c-sch.txt.gz%20build_name%3Asheepdog

[Sean McGinnis (sean-mcginnis)]

Submitted https://review.openstack.org/529171 to openstack/devstack-plugin-sheepdog to see if that fixes the out of space issue.

[Eric Harney (eharney)]

Closed as Invalid -- the sheepdog driver is gone.