## Release Version
Failed on release version of Juno
## Scenario
1. set TSM as default backup driver
2. use TSM API to backup volume (space for backup is not enough )
3. the cinder-backup copy keeps in creating status (error status is expected)
4. when server restarted,the backup failed messaged showed
## Comparison with swift
while in this situation when using swift,the operation failed normally with message below:
```
VolumeBackendAPIException:Bad or unexpected response from the storage volume backend API:create lun error,result:{u'data':{},u'error':{u'code':1073797124,u'description':u'the storage pool does not have sufficient free space'}}
```
## system logs
```
2016-07-02T08:53:47.800+08:00 localhost cinder-backup ERROR [pid:2757] [GreenThread-4] [exc_filters.py:277 _raise_for_remaining_DBAPIError] DBAPIError exception wrapped from (DataError) value too long for type character varying(255) 'UPDATE backups SET updated_at=%(updated_at)s, status=%(status)s, fail_reason=%(fail_reason)s WHERE backups.id = %(backups_id)s' {'status': 'error', 'fail_reason': u"Invalid backup: backup: 293e623d-2fb7-43fb-9f36-80f98d96699f failed to obtain backup success notification from server.\nstdout: IBM Tivoli Storage Manager\nCommand Line Backup-Archive Client Interface\n Client Version 7, Release 1, Level 0.0 \n Client date/time: 07/02/16 08:53:24\n(c) Copyright by IBM Corporation and other(s) 1990, 2013. All Rights Reserved.\n\nNode Name: DPSNODE\nSession established with server TSM: Windows\n Server Version 7, Release 1, Level 1.100\n Server date/time: 07/27/16 02:19:09 Last access: 07/27/16 01:56:55\n\n\nImage backup of volume '/dev/backup-30179e5c-7d95-414e-9979-8fe6d99dcb99'\nANS1228E Sending of object '/dev/backup-30179e5c-7d95-414e-9979-8fe6d99dcb99' failed.\nANS1311E Server out of data storage space\n\nANS1813E Image Backup processing of '/dev/backup-30179e5c-7d95-414e-9979-8fe6d99dcb99' finished with failures.\n\n\nTotal number of objects inspected: 1\nTotal number of objects backed up: 0\nTotal number of objects updated: 0\nTotal number of objects rebound: 0\nTotal number of objects deleted: 0\nTotal number of objects expired: 0\nTotal number of objects failed: 1\nTotal number of bytes inspected: 20.00 GB\nTotal number of bytes transferred: 0 B\nData transfer time: 2.00 sec\nNetwork data transfer rate: 3,328.02 KB/sec\nAggregate data transfer rate: 502.50 KB/sec\nObjects compressed by: 0%\nTotal data reduction ratio: 99.97%\nElapsed processing time: 00:00:13\n\n stderr: ", 'updated_at': datetime.datetime(2016, 7, 2, 0, 53, 47, 778137), 'backups_id': u'30179e5c-7d95-414e-9979-8fe6d99dcb99'} Traceback (most recent call last): File "/usr/lib64/python2.7/site-packages/oslo/db/sqlalchemy/compat/handle_error.py", line 59, in _handle_dbapi_exception e, statement, parameters, cursor, context) File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 1024, in _handle_dbapi_exception exc_info File "/usr/lib64/python2.7/site-packages/sqlalchemy/util/compat.py", line 196, in raise_from_cause reraise(type(exception), exception, tb=exc_tb) File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 867, in _execute_context context) File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/default.py", line 324, in do_execute cursor.execute(statement, parameters) DataError: (DataError) value too long for type character varying(255) 'UPDATE backups SET updated_at=%(updated_at)s, status=%(status)s, fail_reason=%(fail_reason)s WHERE backups.id = %(backups_id)s' {'status': 'error', 'fail_reason': u"Invalid backup: backup: 293e623d-2fb7-43fb-9f36-80f98d96699f failed to obtain backup success notification from server.\nstdout: IBM Tivoli Storage Manager\nCommand Line Backup-Archive Client Interface\n Client Version 7, Release 1, Level 0.0 \n Client date/time: 07/02/16 08:53:24\n(c) Copyright by IBM Corporation and other(s) 1990, 2013. All Rights Reserved.\n\nNode Name: DPSNODE\nSession established with server TSM: Windows\n Server Version 7, Release 1, Level 1.100\n Server date/time: 07/27/16 02:19:09 Last access: 07/27/16 01:56:55\n\n\nImage backup of volume '/dev/backup-30179e5c-7d95-414e-9979-8fe6d99dcb99'\nANS1228E Sending of object '/dev/backup-30179e5c-7d95-414e-9979-8fe6d99dcb99' failed.\nANS1311E Server out of data storage space\n\nANS1813E Image Backup processing of '/dev/backup-30179e5c-7d95-414e-9979-8fe6d99dcb99' finished with failures.\n\n\nTotal number of objects inspected: 1\nTotal number of objects backed up: 0\nTotal number of objects updated: 0\nTotal number of objects rebound: 0\nTotal number of objects deleted: 0\nTotal number of objects expired: 0\nTotal number of objects failed: 1\nTotal number of bytes inspected: 20.00 GB\nTotal number of bytes transferred: 0 B\nData transfer time: 2.00 sec\nNetwork data transfer rate: 3,328.02 KB/sec\nAggregate data transfer rate: 502.50 KB/sec\nObjects compressed by: 0%\nTotal data reduction ratio: 99.97%\nElapsed processing time: 00:00:13\n\n stderr: ", 'updated_at': datetime.datetime(2016, 7, 2, 0, 53, 47, 778137), 'backups_id': u'30179e5c-7d95-414e-9979-8fe6d99dcb99'}
```
