Ceph » CephFS

Originally reported in #10465,
http://qa-proxy.ceph.com/teuthology/teuthology-2014-12-26_23:04:02-fs-master-testing-basic-multi/680701/
http://qa-proxy.ceph.com/teuthology/teuthology-2015-02-10_23:04:03-fs-hammer-testing-basic-multi/750044/

2015-02-11T11:49:00.226 INFO:teuthology.run_tasks:Running task exec...
2015-02-11T11:49:00.226 INFO:teuthology.task.exec:Executing custom commands...
2015-02-11T11:49:00.226 INFO:teuthology.task.exec:Running commands on role client.0 host ubuntu@burnupi31.front.sepia.ceph.com
2015-02-11T11:49:00.226 INFO:teuthology.orchestra.run.burnupi31:Running: "sudo TESTDIR=/home/ubuntu/cephtest bash -c 'cd $TESTDIR/mnt.*'" 
2015-02-11T11:49:00.306 INFO:teuthology.orchestra.run.burnupi31:Running: "sudo TESTDIR=/home/ubuntu/cephtest bash -c 'dd if=/dev/zero of=./foo count=100'" 
2015-02-11T11:49:00.384 ERROR:teuthology.run_tasks:Saw exception from tasks.
Traceback (most recent call last):
  File "/home/teuthworker/src/teuthology_master/teuthology/run_tasks.py", line 53, in run_tasks
    manager = run_one_task(taskname, ctx=ctx, config=config)
  File "/home/teuthworker/src/teuthology_master/teuthology/run_tasks.py", line 41, in run_one_task
    return fn(**kwargs)
  File "/home/teuthworker/src/teuthology_master/teuthology/task/exec.py", line 54, in task
    c],
  File "/home/teuthworker/src/teuthology_master/teuthology/orchestra/remote.py", line 137, in run
    r = self._runner(client=self.ssh, name=self.shortname, **kwargs)
  File "/home/teuthworker/src/teuthology_master/teuthology/orchestra/run.py", line 378, in run
    r.wait()
  File "/home/teuthworker/src/teuthology_master/teuthology/orchestra/run.py", line 114, in wait
    label=self.label)
CommandFailedError: Command failed on burnupi31 with status 1: "sudo TESTDIR=/home/ubuntu/cephtest bash -c 'dd if=/dev/zero of=./foo count=100'" 
2015-02-11T11:49:00.411 ERROR:sentry.errors.serializer:vars() argument must have __dict__ attribute

The second one of these is on Ubuntu Trusty, so I don't think it's the distro causing issues. The first case was not actually running in the Ceph mount, so I don't think it's a Ceph bug either...