Write failed: Broken pipe Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/cliapp/app.py", line 190, in _run self.process_args(args) File "/usr/lib/python2.7/dist-packages/obnamlib/app.py", line 207, in process_args cliapp.Application.process_args(self, args) File "/usr/lib/python2.7/dist-packages/cliapp/app.py", line 567, in process_args method(args[1:]) File "/usr/lib/python2.7/dist-packages/obnamlib/plugins/forget_plugin.py", line 88, in forget self.remove(genid) File "/usr/lib/python2.7/dist-packages/obnamlib/plugins/forget_plugin.py", line 138, in remove self.repo.remove_generation(genid) File "/usr/lib/python2.7/dist-packages/obnamlib/fmt_6/repo_fmt_6.py", line 562, in remove_generation self._remove_chunks_from_removed_generations(client_name, [gen_number]) File "/usr/lib/python2.7/dist-packages/obnamlib/fmt_6/repo_fmt_6.py", line 373, in _remove_chunks_from_removed_generations keep_chunkids = find_chunkids_in_gens(keep_gen_nos) File "/usr/lib/python2.7/dist-packages/obnamlib/fmt_6/repo_fmt_6.py", line 344, in find_chunkids_in_gens x = self.get_generation_chunk_ids(gen_id) File "/usr/lib/python2.7/dist-packages/obnamlib/fmt_6/repo_fmt_6.py", line 583, in get_generation_chunk_ids return client.list_chunks_in_generation(gen_number) File "/usr/lib/python2.7/dist-packages/obnamlib/fmt_6/clientmetadatatree.py", line 525, in list_chunks_in_generation for key, value in t.lookup_range(minkey, maxkey))) File "/usr/lib/python2.7/dist-packages/larch/tree.py", line 167, in lookup_range self._lookup_range(self.root.id, minkey, maxkey)] File "/usr/lib/python2.7/dist-packages/larch/tree.py", line 178, in _lookup_range for pair in self._lookup_range(child_id, minkey, maxkey): File "/usr/lib/python2.7/dist-packages/larch/tree.py", line 170, in _lookup_range node = self._get_node(node_id) File "/usr/lib/python2.7/dist-packages/larch/tree.py", line 111, in _get_node return self.node_store.get_node(node_id) File "/usr/lib/python2.7/dist-packages/larch/nodestore_disk.py", line 235, in get_node encoded = self.journal.cat(name) File "/usr/lib/python2.7/dist-packages/larch/journal.py", line 157, in cat if self._is_in_new(filename): File "/usr/lib/python2.7/dist-packages/larch/journal.py", line 124, in _is_in_new return new in self.new_files or self.fs.exists(new) File "/usr/lib/python2.7/dist-packages/obnamlib/plugins/sftp_plugin.py", line 471, in exists self.lstat(pathname) File "/usr/lib/python2.7/dist-packages/obnamlib/plugins/sftp_plugin.py", line 102, in helper return method(self, filename, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/obnamlib/plugins/sftp_plugin.py", line 531, in lstat st = self.sftp.lstat(pathname) File "/usr/lib/python2.7/dist-packages/paramiko/sftp_client.py", line 431, in lstat t, msg = self._request(CMD_LSTAT, path) File "/usr/lib/python2.7/dist-packages/paramiko/sftp_client.py", line 729, in _request return self._read_response(num) File "/usr/lib/python2.7/dist-packages/paramiko/sftp_client.py", line 761, in _read_response raise SSHException('Server connection dropped: %s' % str(e)) SSHException: Server connection dropped: