Repository sync fails with [Errno 28] No space left on device

Issue

• Repository sync fails with following error.

 "Red Hat Enterprise Linux 7 Server RPMs x86_64 7Server" incomplete.
Actions::Pulp::Repository::Sync
Output: (…) "No space left on device"

• From task details.

Error:

Katello::Errors::PulpError

PLP0000: [Errno 28] No space left on device 



 File "/usr/lib/python2.7/site-packages/pulp/plugins/util/metadata_writer.py", line 73, in initialize
        self._open_metadata_file_handle()
      File "/usr/lib/python2.7/site-packages/pulp/plugins/util/metadata_writer.py", line 359, in _open_metadata_file_handle
        plain_handle.write(content)
    IOError: [Errno 28] No space left on device

 traceback: |2
            File "/usr/lib/python2.7/site-packages/pulp/plugins/util/publish_step.py", line 231, in process
              self.initialize()

            File "/usr/lib/python2.7/site-packages/pulp_rpm/plugins/distributors/yum/publish.py", line 460, in initialize
              context.initialize()

            File "/usr/lib/python2.7/site-packages/pulp/plugins/util/metadata_writer.py", line 73, in initialize
              self._open_metadata_file_handle()

            File "/usr/lib/python2.7/site-packages/pulp/plugins/util/metadata_writer.py", line 359, in _open_metadata_file_handle
              plain_handle.write(content)
        error: "[Errno 28] No space left on device"