Comment 27 for bug 1459781

Verified on
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VERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "7.0"
  openstack_version: "2015.1.0-7.0"
  api: "1.0"
  build_number: "
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Steps to reproduce
---
1) Run rally scenario create-and-attach-volume:
root@4d26aea48680:/# rally -v task start create-and-attach-volume.json --tag create-and-attach-volume

2) See in /var/log/cinder-all.log "Cannot delete volume <volume_id>: volume is busy":
...
<158>Oct 7 05:29:00 node-6 cinder-volume 2015-10-07 05:29:00.115 16594 INFO cinder.volume.manager [req-6b46fd26-ad2f-42ed-9da5-02a47be922be 5fc88ee5f65d41f39f225c37c7644825 47fe3f9221d64b27ab03afe1625b4eab - - -] volume 4304a9ba-e5ab-4021-9ed4-93d81b88fe51: deleting
<156>Oct 7 05:29:00 node-6 cinder-volume 2015-10-07 05:29:00.212 16594 WARNING cinder.volume.drivers.rbd [req-6b46fd26-ad2f-42ed-9da5-02a47be922be 5fc88ee5f65d41f39f225c37c7644825 47fe3f9221d64b27ab03afe1625b4eab - - -] ImageBusy error raised while deleting rbd volume. This may have been caused by a connection from a client that has crashed and, if so, may be resolved by retrying the delete after 30 seconds has elapsed.
<155>Oct 7 05:29:00 node-6 cinder-volume 2015-10-07 05:29:00.217 16594 ERROR cinder.volume.manager [req-6b46fd26-ad2f-42ed-9da5-02a47be922be 5fc88ee5f65d41f39f225c37c7644825 47fe3f9221d64b27ab03afe1625b4eab - - -] Cannot delete volume 4304a9ba-e5ab-4021-9ed4-93d81b88fe51: volume is busy