grenade: c-bak fails to write any logs

[Matthew Booth]

Full logs here:

http://logs.openstack.org/02/124402/3/check/check-grenade-dsvm/162dc5e/

grenade fails because the c-bak service is not detected:

2014-09-30 14:16:11.038 | Couldn't find log for c-bak at /opt/stack/new/screen-logs/screen-c-bak.log
2014-09-30 14:16:11.039 | Ceilometer not yet supported, skipping check for ceilometer-acentral
2014-09-30 14:16:11.039 | Ceilometer not yet supported, skipping check for ceilometer-acompute
2014-09-30 14:16:11.039 | Ceilometer not yet supported, skipping check for ceilometer-alarm-evaluator
2014-09-30 14:16:11.039 | Ceilometer not yet supported, skipping check for ceilometer-alarm-notifier
2014-09-30 14:16:11.039 | Ceilometer not yet supported, skipping check for ceilometer-anotification
2014-09-30 14:16:11.039 | Ceilometer not yet supported, skipping check for ceilometer-api
2014-09-30 14:16:11.039 | Ceilometer not yet supported, skipping check for ceilometer-collector
2014-09-30 14:16:11.040 | cinder does not look like a valid service, skipping log check
2014-09-30 14:16:11.040 | dstat does not look like a valid service, skipping log check
2014-09-30 14:16:11.040 | Heat not yet supported, skipping check for h-api
2014-09-30 14:16:11.040 | Heat not yet supported, skipping check for h-api-cfn
2014-09-30 14:16:11.040 | Heat not yet supported, skipping check for h-api-cw
2014-09-30 14:16:11.040 | Heat not yet supported, skipping check for h-eng
2014-09-30 14:16:11.040 | heat does not look like a valid service, skipping log check
2014-09-30 14:16:11.041 | horizon does not look like a valid service, skipping log check
2014-09-30 14:16:11.041 | key does not look like a valid service, skipping log check
2014-09-30 14:16:11.041 | mysql does not look like a valid service, skipping log check
2014-09-30 14:16:11.042 | rabbit does not look like a valid service, skipping log check
2014-09-30 14:16:11.042 | tempest does not look like a valid service, skipping log check
2014-09-30 14:16:11.042 | Expected running services not running: ,c-bak
2014-09-30 14:16:11.043 | + die 359 'Failure in check-sanity'

AFAICT from earlier in the logs it was configured and should be running.