The cinder.exception Module¶
Cinder base exception handling.
Includes decorator for re-raising Cinder-type exceptions.
SHOULD include dedicated exception logging.
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exception 
APIException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Error while requesting %(service)s API.’¶ 
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exception 
APITimeout(message=None, **kwargs)¶ Bases:
cinder.exception.APIException- 
message= u’Timeout while requesting %(service)s API.’¶ 
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exception 
AdminRequired(message=None, **kwargs)¶ Bases:
cinder.exception.NotAuthorized- 
message= u’User does not have admin privileges’¶ 
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exception 
AttachmentSpecsNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Attachment %(attachment_id)s has no key %(specs_key)s.’¶ 
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exception 
BackupDriverException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Backup driver reported an error: %(message)s’¶ 
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exception 
BackupFailedToGetVolumeBackend(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Failed to identify volume backend.’¶ 
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exception 
BackupInvalidCephArgs(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Invalid Ceph args provided for backup rbd operation’¶ 
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exception 
BackupLimitExceeded(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Maximum number of backups allowed (%(allowed)d) exceeded’¶ 
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exception 
BackupMetadataUnsupportedVersion(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Unsupported backup metadata version requested’¶ 
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exception 
BackupNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Backup %(backup_id)s could not be found.’¶ 
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exception 
BackupOperationError(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’An error has occurred during backup operation’¶ 
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exception 
BackupRBDOperationFailed(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Backup RBD operation failed’¶ 
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exception 
BackupVerifyUnsupportedDriver(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Unsupported backup verify driver’¶ 
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exception 
BadHTTPResponseStatus(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Bad HTTP response status %(status)s’¶ 
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exception 
BadResetResourceStatus(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Bad reset resource status : %(message)s’¶ 
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exception 
BrocadeZoningCliException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Brocade Fibre Channel Zoning CLI error: %(reason)s’¶ 
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exception 
BrocadeZoningHttpException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Brocade Fibre Channel Zoning HTTP error: %(reason)s’¶ 
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exception 
CappedVersionUnknown(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u”Unrecoverable Error: Versioned Objects in DB are capped to unknown version %(version)s. Most likely your environment contains only new services and you’re trying to start an older one. Use `cinder-manage service list` to check that and upgrade this service.”¶ 
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exception 
CgSnapshotNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’CgSnapshot %(cgsnapshot_id)s could not be found.’¶ 
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exception 
CinderException(message=None, **kwargs)¶ Bases:
exceptions.ExceptionBase Cinder Exception
To correctly use this class, inherit from it and define a ‘message’ property. That message will get printf’d with the keyword arguments provided to the constructor.
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code= 500¶ 
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headers= {}¶ 
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message= u’An unknown exception occurred.’¶ 
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safe= False¶ 
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exception 
CiscoZoningCliException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Cisco Fibre Channel Zoning CLI error: %(reason)s’¶ 
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exception 
CleanableInUse(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’%(type)s with id %(id)s is already being cleaned up or another host has taken over it.’¶ 
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exception 
ClusterExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Cluster %(name)s already exists.’¶ 
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exception 
ClusterHasHosts(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Cluster %(id)s still has hosts.’¶ 
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exception 
ClusterNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Cluster %(id)s could not be found.’¶ 
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exception 
CohoException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Coho Data Cinder driver failure: %(message)s’¶ 
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exception 
ConfigNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Could not find config at %(path)s’¶ 
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exception 
ConsistencyGroupNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’ConsistencyGroup %(consistencygroup_id)s could not be found.’¶ 
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exception 
ConvertedException(code=500, title=”, explanation=”)¶ Bases:
webob.exc.WSGIHTTPException
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exception 
DateraAPIException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Bad response from Datera API’¶ 
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exception 
DellDriverRetryableException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Retryable Dell Exception encountered’¶ 
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exception 
DellDriverUnknownSpec(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Dell driver failure: %(reason)s’¶ 
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Bases:
cinder.exception.Invalid
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exception 
DotHillAuthenticationError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= ‘%(message)s’¶ 
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exception 
DotHillConnectionError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= ‘%(message)s’¶ 
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exception 
DotHillInvalidBackend(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u”Backend doesn’t exist (%(backend)s)”¶ 
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exception 
DotHillNotEnoughSpace(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Not enough space on backend (%(backend)s)’¶ 
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exception 
DotHillNotTargetPortal(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’No active iSCSI portals with supplied iSCSI IPs’¶ 
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exception 
DotHillRequestError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= ‘%(message)s’¶ 
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exception 
DriverNotInitialized(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Volume driver not ready.’¶ 
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exception 
Duplicate(message=None, **kwargs)¶ 
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exception 
DuplicateSfVolumeNames(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Detected more than one volume with name %(vol_name)s’¶ 
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exception 
EMCVnxCLICmdError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’EMC VNX Cinder Driver CLI exception: %(cmd)s (Return Code: %(rc)s) (Output: %(out)s).’¶ 
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exception 
EncryptedBackupOperationFailed(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Backup operation of an encrypted volume failed.’¶ 
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exception 
Error¶ Bases:
exceptions.Exception
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exception 
ErrorInFetchingConfiguration(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u”Error in fetching configuration for ‘%(persona)s’”¶ 
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exception 
ErrorInHyperScaleVersion(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u”Error in getting HyperScale version ‘%(cmd_error)s’”¶ 
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exception 
ErrorInParsingArguments(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Error in parsing message arguments : Invalid Payload’¶ 
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exception 
ErrorInSendingMsg(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u”Error in sending message ‘%(cmd_error)s’”¶ 
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exception 
EvaluatorParseException¶ Bases:
exceptions.Exception- 
message= u’Error during evaluator parsing: %(reason)s’¶ 
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exception 
ExportFailure(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Failed to export for volume: %(reason)s’¶ 
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exception 
ExtendVolumeError(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Error extending volume: %(reason)s’¶ 
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exception 
FCSanLookupServiceException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Fibre Channel SAN Lookup failure: %(reason)s’¶ 
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exception 
FCZoneDriverException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Fibre Channel Zone operation failed: %(reason)s’¶ 
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exception 
FailedCmdWithDump(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Operation failed with status=%(status)s. Full dump: %(data)s’¶ 
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exception 
FileNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’File %(file_path)s could not be found.’¶ 
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exception 
GCSApiFailure(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Google Cloud Storage api failure: %(reason)s’¶ 
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exception 
GCSConnectionFailure(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Google Cloud Storage connection failure: %(reason)s’¶ 
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exception 
GCSOAuth2Failure(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Google Cloud Storage oauth2 failure: %(reason)s’¶ 
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exception 
GPFSDriverUnsupportedOperation(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’GPFS driver unsupported operation: %(msg)s’¶ 
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exception 
GlanceConnectionFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Connection to glance failed: %(reason)s’¶ 
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exception 
GlanceMetadataExists(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Glance metadata cannot be updated, key %(key)s exists for volume id %(volume_id)s’¶ 
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exception 
GlanceMetadataNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Glance metadata for volume/snapshot %(id)s cannot be found.’¶ 
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exception 
GroupLimitExceeded(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Maximum number of groups allowed (%(allowed)d) exceeded’¶ 
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exception 
GroupNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Group %(group_id)s could not be found.’¶ 
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exception 
GroupSnapshotNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’GroupSnapshot %(group_snapshot_id)s could not be found.’¶ 
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exception 
GroupTypeAccessExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Group type access for %(group_type_id)s / %(project_id)s combination already exists.’¶ 
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exception 
GroupTypeAccessNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Group type access not found for %(group_type_id)s / %(project_id)s combination.’¶ 
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exception 
GroupTypeCreateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Cannot create group_type with name %(name)s and specs %(group_specs)s’¶ 
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exception 
GroupTypeEncryptionExists(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Group type encryption for type %(type_id)s already exists.’¶ 
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exception 
GroupTypeEncryptionNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Group type encryption for type %(type_id)s does not exist.’¶ 
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exception 
GroupTypeExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Group Type %(id)s already exists.’¶ 
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exception 
GroupTypeInUse(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Group Type %(group_type_id)s deletion is not allowed with groups present with the type.’¶ 
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exception 
GroupTypeNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Group type %(group_type_id)s could not be found.’¶ 
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exception 
GroupTypeNotFoundByName(message=None, **kwargs)¶ Bases:
cinder.exception.GroupTypeNotFound- 
message= u’Group type with name %(group_type_name)s could not be found.’¶ 
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exception 
GroupTypeSpecsNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Group Type %(group_type_id)s has no specs with key %(group_specs_key)s.’¶ 
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exception 
GroupTypeUpdateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Cannot update group_type %(id)s’¶ 
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exception 
GroupVolumeTypeMappingExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Group volume type mapping for %(group_id)s / %(volume_type_id)s combination already exists.’¶ 
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exception 
HBSDBusy(message=None, **kwargs)¶ Bases:
cinder.exception.HBSDError- 
message= ‘Device or resource is busy.’¶ 
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exception 
HBSDCmdError(message=None, ret=None, err=None)¶ Bases:
cinder.exception.HBSDError
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exception 
HBSDError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’HBSD error occurs.’¶ 
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exception 
HBSDNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Storage resource could not be found.’¶ 
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exception 
HBSDVolumeIsBusy(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeIsBusy- 
message= u’Volume %(volume_name)s is busy.’¶ 
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exception 
HNASConnError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= ‘%(message)s’¶ 
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exception 
HostNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Host %(host)s could not be found.’¶ 
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exception 
ISCSITargetAttachFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to attach iSCSI target for volume %(volume_id)s.’¶ 
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exception 
ISCSITargetCreateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to create iscsi target for volume %(volume_id)s.’¶ 
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exception 
ISCSITargetDetachFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to detach iSCSI target for volume %(volume_id)s.’¶ 
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exception 
ISCSITargetHelperCommandFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= ‘%(error_message)s’¶ 
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exception 
ISCSITargetNotFoundForVolume(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’No target id found for volume %(volume_id)s.’¶ 
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exception 
ISCSITargetRemoveFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to remove iscsi target for volume %(volume_id)s.’¶ 
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exception 
ImageCopyFailure(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Failed to copy image to volume: %(reason)s’¶ 
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exception 
ImageLimitExceeded(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Image quota exceeded’¶ 
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exception 
ImageNotAuthorized(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Not authorized for image %(image_id)s.’¶ 
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exception 
ImageNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Image %(image_id)s could not be found.’¶ 
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exception 
ImageUnacceptable(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Image %(image_id)s is unacceptable: %(reason)s’¶ 
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exception 
InfortrendCliException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Infortrend CLI exception: %(err)s Param: %(param)s (Return Code: %(rc)s) (Output: %(out)s)’¶ 
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exception 
Invalid(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
code= 400¶ 
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message= u’Unacceptable parameters.’¶ 
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exception 
Invalid3PARDomain(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Invalid 3PAR Domain: %(err)s’¶ 
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exception 
InvalidAPIVersionString(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’API Version String %(version)s is of invalid format. Must be of format MajorNum.MinorNum.’¶ 
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exception 
InvalidAttachment(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid attachment: %(reason)s’¶ 
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exception 
InvalidAuthKey(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid auth key: %(reason)s’¶ 
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exception 
InvalidBackup(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid backup: %(reason)s’¶ 
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exception 
InvalidCgSnapshot(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid CgSnapshot: %(reason)s’¶ 
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exception 
InvalidConfigurationValue(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Value “%(value)s” is not valid for configuration option “%(option)s”’¶ 
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exception 
InvalidConnectorException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u”Connector doesn’t have required information: %(missing)s”¶ 
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exception 
InvalidConsistencyGroup(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid ConsistencyGroup: %(reason)s’¶ 
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exception 
InvalidContentType(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid content type %(content_type)s.’¶ 
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exception 
InvalidGlobalAPIVersion(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Version %(req_ver)s is not supported by the API. Minimum is %(min_ver)s and maximum is %(max_ver)s.’¶ 
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exception 
InvalidGroup(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid Group: %(reason)s’¶ 
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exception 
InvalidGroupSnapshot(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid GroupSnapshot: %(reason)s’¶ 
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exception 
InvalidGroupSnapshotStatus(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid GroupSnapshot Status: %(reason)s’¶ 
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exception 
InvalidGroupStatus(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid Group Status: %(reason)s’¶ 
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exception 
InvalidGroupType(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid group type: %(reason)s’¶ 
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exception 
InvalidHost(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid host: %(reason)s’¶ 
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exception 
InvalidImageRef(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid image href %(image_href)s.’¶ 
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exception 
InvalidInput(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid input received: %(reason)s’¶ 
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exception 
InvalidMetadataType(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’The type of metadata: %(metadata_type)s for volume/snapshot %(id)s is invalid.’¶ 
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exception 
InvalidNestedQuotaSetup(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Project quotas are not properly setup for nested quotas: %(reason)s.’¶ 
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exception 
InvalidParameterValue(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= ‘%(err)s’¶ 
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exception 
InvalidQoSSpecs(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid qos specs: %(reason)s’¶ 
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exception 
InvalidQuotaValue(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Change would make usage less than 0 for the following resources: %(unders)s’¶ 
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exception 
InvalidReplicationTarget(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid Replication Target: %(reason)s’¶ 
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exception 
InvalidReservationExpiration(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid reservation expiration %(expire)s.’¶ 
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exception 
InvalidResults(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’The results are invalid.’¶ 
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exception 
InvalidSnapshot(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid snapshot: %(reason)s’¶ 
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exception 
InvalidUUID(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Expected a uuid but received %(uuid)s.’¶ 
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exception 
InvalidVolume(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid volume: %(reason)s’¶ 
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exception 
InvalidVolumeAttachMode(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u”Invalid attaching mode ‘%(mode)s’ for volume %(volume_id)s.”¶ 
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exception 
InvalidVolumeMetadata(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid metadata: %(reason)s’¶ 
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exception 
InvalidVolumeMetadataSize(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid metadata size: %(reason)s’¶ 
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exception 
InvalidVolumeType(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid volume type: %(reason)s’¶ 
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exception 
KaminarioCinderDriverException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’KaminarioCinderDriver failure: %(reason)s’¶ 
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exception 
KaminarioRetryableException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Kaminario retryable exception: %(reason)s’¶ 
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exception 
KeyManagerError(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’key manager error: %(reason)s’¶ 
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exception 
LockCreationFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Unable to create lock. Coordination backend not started.’¶ 
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exception 
LockingFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Lock acquisition failed.’¶ 
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exception 
MalformedRequestBody(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Malformed message body: %(reason)s’¶ 
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exception 
MalformedResponse(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Malformed response to command %(cmd)s: %(reason)s’¶ 
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exception 
ManageExistingAlreadyManaged(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Unable to manage existing volume. Volume %(volume_ref)s already managed.’¶ 
- 
 
- 
exception 
ManageExistingInvalidReference(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Manage existing volume failed due to invalid backend reference %(existing_ref)s: %(reason)s’¶ 
- 
 
- 
exception 
ManageExistingVolumeTypeMismatch(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Manage existing volume failed due to volume type mismatch: %(reason)s’¶ 
- 
 
- 
exception 
MessageNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Message %(message_id)s could not be found.’¶ 
- 
 
- 
exception 
MetadataAbsent(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’There is no metadata in DB object.’¶ 
- 
 
- 
exception 
MetadataCopyFailure(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Failed to copy metadata to volume: %(reason)s’¶ 
- 
 
- 
exception 
MetadataCreateFailure(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Failed to create metadata for volume: %(reason)s’¶ 
- 
 
- 
exception 
MetadataUpdateFailure(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Failed to update metadata for volume: %(reason)s’¶ 
- 
 
- 
exception 
MissingRequired(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u”Missing required element ‘%(element)s’ in request body.”¶ 
- 
 
- 
exception 
NetAppDriverException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’NetApp Cinder Driver exception.’¶ 
- 
 
- 
exception 
NexentaException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= ‘%(message)s’¶ 
- 
 
- 
exception 
NfsException(message=None, **kwargs)¶ Bases:
cinder.exception.RemoteFSException- 
message= u’Unknown NFS exception’¶ 
- 
 
- 
exception 
NoMoreTargets(message=None, **kwargs)¶ Bases:
cinder.exception.CinderExceptionNo more available targets.
- 
exception 
NoValidBackend(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’No valid backend was found. %(reason)s’¶ 
- 
 
- 
exception 
NotAuthorized(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
code= 403¶ 
- 
message= u’Not authorized.’¶ 
- 
 
- 
exception 
NotFound(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
code= 404¶ 
- 
message= u’Resource could not be found.’¶ 
- 
safe= True¶ 
- 
 
- 
exception 
NotSupportedOperation(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
code= 405¶ 
- 
message= u’Operation not supported: %(operation)s.’¶ 
- 
 
- 
exception 
OverQuota(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Quota exceeded for resources: %(overs)s’¶ 
- 
 
- 
exception 
ParameterNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Could not find parameter %(param)s’¶ 
- 
 
- 
exception 
PolicyNotAuthorized(message=None, **kwargs)¶ Bases:
cinder.exception.NotAuthorized- 
message= u”Policy doesn’t allow %(action)s to be performed.”¶ 
- 
 
- 
exception 
ProgrammingError(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Programming error in Cinder: %(reason)s’¶ 
- 
 
- 
exception 
ProjectQuotaNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaNotFound- 
message= u’Quota for project %(project_id)s could not be found.’¶ 
- 
 
- 
exception 
PureDriverException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Pure Storage Cinder driver failure: %(reason)s’¶ 
- 
 
- 
exception 
PureRetryableException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Retryable Pure Storage Exception encountered’¶ 
- 
 
- 
exception 
QoSSpecsAssociateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to associate qos_specs: %(specs_id)s with type %(type_id)s.’¶ 
- 
 
- 
exception 
QoSSpecsCreateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to create qos_specs: %(name)s with specs %(qos_specs)s.’¶ 
- 
 
- 
exception 
QoSSpecsDisassociateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to disassociate qos_specs: %(specs_id)s with type %(type_id)s.’¶ 
- 
 
- 
exception 
QoSSpecsExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’QoS Specs %(specs_id)s already exists.’¶ 
- 
 
- 
exception 
QoSSpecsInUse(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’QoS Specs %(specs_id)s is still associated with entities.’¶ 
- 
 
- 
exception 
QoSSpecsKeyNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’QoS spec %(specs_id)s has no spec with key %(specs_key)s.’¶ 
- 
 
- 
exception 
QoSSpecsNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’No such QoS spec %(specs_id)s.’¶ 
- 
 
- 
exception 
QoSSpecsUpdateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to update qos_specs: %(specs_id)s with specs %(qos_specs)s.’¶ 
- 
 
- 
exception 
QuotaClassNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaNotFound- 
message= u’Quota class %(class_name)s could not be found.’¶ 
- 
 
- 
exception 
QuotaError(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
code= 413¶ 
- 
headers= {‘Retry-After’: ‘0’}¶ 
- 
message= u’Quota exceeded: code=%(code)s’¶ 
- 
safe= True¶ 
- 
 
- 
exception 
QuotaNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Quota could not be found’¶ 
- 
 
- 
exception 
QuotaResourceUnknown(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaNotFound- 
message= u’Unknown quota resources %(unknown)s.’¶ 
- 
 
- 
exception 
QuotaUsageNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaNotFound- 
message= u’Quota usage for project %(project_id)s could not be found.’¶ 
- 
 
- 
exception 
RPCTimeout(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
code= 502¶ 
- 
message= u’Timeout while requesting capabilities from backend %(service)s.’¶ 
- 
 
- 
exception 
RdxAPICommandException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Reduxio API Command Exception’¶ 
- 
 
- 
exception 
RdxAPIConnectionException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Reduxio API Connection Exception’¶ 
- 
 
- 
exception 
RemoteFSConcurrentRequest(message=None, **kwargs)¶ Bases:
cinder.exception.RemoteFSException- 
message= u’A concurrent, possibly contradictory, request has been made.’¶ 
- 
 
- 
exception 
RemoteFSException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Unknown RemoteFS exception’¶ 
- 
 
- 
exception 
RemoveExportException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Failed to remove export for volume %(volume)s: %(reason)s’¶ 
- 
 
- 
exception 
ReplicationError(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Volume %(volume_id)s replication error: %(reason)s’¶ 
- 
 
- 
exception 
ReplicationGroupError(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Group %(group_id)s replication error: %(reason)s.’¶ 
- 
 
- 
exception 
ReplicationNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume replication for %(volume_id)s could not be found.’¶ 
- 
 
- 
exception 
ReservationNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaNotFound- 
message= u’Quota reservation %(uuid)s could not be found.’¶ 
- 
 
- 
exception 
SSHInjectionThreat(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’SSH command injection detected: %(command)s’¶ 
- 
 
- 
exception 
SchedulerHostFilterNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Scheduler Host Filter %(filter_name)s could not be found.’¶ 
- 
 
- 
exception 
SchedulerHostWeigherNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Scheduler Host Weigher %(weigher_name)s could not be found.’¶ 
- 
 
- 
exception 
ServerNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Instance %(uuid)s could not be found.’¶ 
- 
 
- 
exception 
ServiceNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound
- 
exception 
ServiceTooOld(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Service is too old to fulfil this request.’¶ 
- 
 
Bases:
cinder.exception.Invalid
- 
exception 
SheepdogCmdError(message=None, **kwargs)¶ Bases:
cinder.exception.SheepdogError- 
message= u’(Command: %(cmd)s) (Return Code: %(exit_code)s) (Stdout: %(stdout)s) (Stderr: %(stderr)s)’¶ 
- 
 
- 
exception 
SheepdogError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’An error has occurred in SheepdogDriver. (Reason: %(reason)s)’¶ 
- 
 
- 
exception 
SmbfsException(message=None, **kwargs)¶ Bases:
cinder.exception.RemoteFSException- 
message= u’Unknown SMBFS exception.’¶ 
- 
 
- 
exception 
SnapshotIsBusy(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’deleting snapshot %(snapshot_name)s that has dependent volumes’¶ 
- 
 
- 
exception 
SnapshotLimitExceeded(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Maximum number of snapshots allowed (%(allowed)d) exceeded’¶ 
- 
 
- 
exception 
SnapshotMetadataNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Snapshot %(snapshot_id)s has no metadata with key %(metadata_key)s.’¶ 
- 
 
- 
exception 
SnapshotNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Snapshot %(snapshot_id)s could not be found.’¶ 
- 
 
- 
exception 
SolidFireAPIDataException(message=None, **kwargs)¶ Bases:
cinder.exception.SolidFireAPIException- 
message= u’Error in SolidFire API response: data=%(data)s’¶ 
- 
 
- 
exception 
SolidFireAPIException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Bad response from SolidFire API’¶ 
- 
 
- 
exception 
SolidFireAccountNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.SolidFireDriverException- 
message= u’Unable to locate account %(account_name)s on Solidfire device’¶ 
- 
 
- 
exception 
SolidFireDriverException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’SolidFire Cinder Driver exception’¶ 
- 
 
- 
exception 
SolidFireRetryableException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Retryable SolidFire Exception encountered’¶ 
- 
 
- 
exception 
SwiftConnectionFailed(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Connection to swift failed: %(reason)s’¶ 
- 
 
- 
exception 
SynoAPIHTTPError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’HTTP exit code: [%(code)s]’¶ 
- 
 
- 
exception 
SynoAuthError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Synology driver authentication failed: %(reason)s.’¶ 
- 
 
- 
exception 
SynoLUNNotExist(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’LUN not found by UUID: %(uuid)s.’¶ 
- 
 
- 
exception 
TegileAPIException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Unexpected response from Tegile IntelliFlash API’¶ 
- 
 
- 
exception 
TransferNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Transfer %(transfer_id)s could not be found.’¶ 
- 
 
- 
exception 
UnableToExecuteHyperScaleCmd(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u”Failed HyperScale command for ‘%(message)s’”¶ 
- 
 
- 
exception 
UnableToFailOver(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Unable to failover to replication target: %(reason)s).’¶ 
- 
 
- 
exception 
UnableToProcessHyperScaleCmdOutput(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u”Failed processing command output ‘%(cmd_out)s’ for HyperScale command”¶ 
- 
 
Bases:
cinder.exception.Invalid
- 
exception 
UnexpectedOverQuota(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Unexpected over quota on %(name)s.’¶ 
- 
 
- 
exception 
UnknownCmd(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Unknown or unsupported command %(cmd)s’¶ 
- 
 
- 
exception 
VSPBusy(message=None, **kwargs)¶ Bases:
cinder.exception.VSPError- 
message= u’Device or resource is busy.’¶ 
- 
 
- 
exception 
VSPError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’VSP error occurred. %(message)s’¶ 
- 
 
- 
exception 
VSPNotSupported(message=None, **kwargs)¶ Bases:
cinder.exception.VSPError- 
message= u’The function on the storage is not supported.’¶ 
- 
 
- 
exception 
ValidationError(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= ‘%(detail)s’¶ 
- 
 
- 
exception 
VersionNotFoundForAPIMethod(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’API version %(version)s is not supported on this method.’¶ 
- 
 
- 
exception 
ViolinBackendErr(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Backend reports: %(message)s’¶ 
- 
 
- 
exception 
ViolinBackendErrExists(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeBackendAPIException- 
message= u’Backend reports: item already exists’¶ 
- 
 
- 
exception 
ViolinBackendErrNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Backend reports: item not found’¶ 
- 
 
- 
exception 
ViolinInvalidBackendConfig(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Volume backend config is invalid: %(reason)s’¶ 
- 
 
- 
exception 
ViolinRequestRetryTimeout(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Backend service retry timeout hit: %(timeout)s sec’¶ 
- 
 
- 
exception 
ViolinResourceNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Backend reports: %(message)s’¶ 
- 
 
- 
exception 
VolumeAdminMetadataNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume %(volume_id)s has no administration metadata with key %(metadata_key)s.’¶ 
- 
 
- 
exception 
VolumeAttached(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Volume %(volume_id)s is still attached, detach volume first.’¶ 
- 
 
- 
exception 
VolumeAttachmentNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume attachment could not be found with filter: %(filter)s .’¶ 
- 
 
- 
exception 
VolumeBackendAPIException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Bad or unexpected response from the storage volume backend API: %(data)s’¶ 
- 
 
- 
exception 
VolumeBackupSizeExceedsAvailableQuota(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Requested backup exceeds allowed Backup gigabytes quota. Requested %(requested)sG, quota is %(quota)sG and %(consumed)sG has been consumed.’¶ 
- 
 
- 
exception 
VolumeDeviceNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Volume device not found at %(device)s.’¶ 
- 
 
- 
exception 
VolumeDriverException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Volume driver reported an error: %(message)s’¶ 
- 
 
- 
exception 
VolumeGroupCreationFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Failed to create Volume Group: %(vg_name)s’¶ 
- 
 
- 
exception 
VolumeGroupNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Unable to find Volume Group: %(vg_name)s’¶ 
- 
 
- 
exception 
VolumeIsBusy(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’deleting volume %(volume_name)s that has snapshot’¶ 
- 
 
- 
exception 
VolumeLimitExceeded(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u”Maximum number of volumes allowed (%(allowed)d) exceeded for quota ‘%(name)s’.”¶ 
- 
 
- 
exception 
VolumeMetadataBackupExists(message=None, **kwargs)¶ Bases:
cinder.exception.BackupDriverException- 
message= u’Metadata backup already exists for this volume’¶ 
- 
 
- 
exception 
VolumeMetadataNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume %(volume_id)s has no metadata with key %(metadata_key)s.’¶ 
- 
 
- 
exception 
VolumeMigrationFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Volume migration failed: %(reason)s’¶ 
- 
 
- 
exception 
VolumeNotDeactivated(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Volume %(name)s was not deactivated in time.’¶ 
- 
 
- 
exception 
VolumeNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume %(volume_id)s could not be found.’¶ 
- 
 
- 
exception 
VolumeSizeExceedsAvailableQuota(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Requested volume or snapshot exceeds allowed %(name)s quota. Requested %(requested)sG, quota is %(quota)sG and %(consumed)sG has been consumed.’¶ 
- 
 
- 
exception 
VolumeSizeExceedsLimit(message=None, **kwargs)¶ Bases:
cinder.exception.QuotaError- 
message= u’Requested volume size %(size)dG is larger than maximum allowed limit %(limit)dG.’¶ 
- 
 
- 
exception 
VolumeSnapshotNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’No snapshots found for volume %(volume_id)s.’¶ 
- 
 
- 
exception 
VolumeTypeAccessExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Volume type access for %(volume_type_id)s / %(project_id)s combination already exists.’¶ 
- 
 
- 
exception 
VolumeTypeAccessNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume type access not found for %(volume_type_id)s / %(project_id)s combination.’¶ 
- 
 
- 
exception 
VolumeTypeCreateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Cannot create volume_type with name %(name)s and specs %(extra_specs)s’¶ 
- 
 
- 
exception 
VolumeTypeEncryptionExists(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Volume type encryption for type %(type_id)s already exists.’¶ 
- 
 
- 
exception 
VolumeTypeEncryptionNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume type encryption for type %(type_id)s does not exist.’¶ 
- 
 
- 
exception 
VolumeTypeExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Volume Type %(id)s already exists.’¶ 
- 
 
- 
exception 
VolumeTypeExtraSpecsNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume Type %(volume_type_id)s has no extra specs with key %(extra_specs_key)s.’¶ 
- 
 
- 
exception 
VolumeTypeInUse(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Volume Type %(volume_type_id)s deletion is not allowed with volumes present with the type.’¶ 
- 
 
- 
exception 
VolumeTypeNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Volume type %(volume_type_id)s could not be found.’¶ 
- 
 
- 
exception 
VolumeTypeNotFoundByName(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeTypeNotFound- 
message= u’Volume type with name %(volume_type_name)s could not be found.’¶ 
- 
 
- 
exception 
VolumeTypeUpdateFailed(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Cannot update volume_type %(id)s’¶ 
- 
 
- 
exception 
VzStorageException(message=None, **kwargs)¶ Bases:
cinder.exception.RemoteFSException- 
message= u’Unknown Virtuozzo Storage exception’¶ 
- 
 
- 
exception 
WebDAVClientError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’The WebDAV request failed. Reason: %(msg)s, Return code/reason: %(code)s, Source Volume: %(src)s, Destination Volume: %(dst)s, Method: %(method)s.’¶ 
- 
 
- 
exception 
WorkerExists(message=None, **kwargs)¶ Bases:
cinder.exception.Duplicate- 
message= u’Worker for %(type)s %(id)s already exists.’¶ 
- 
 
- 
exception 
WorkerNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Worker with %s could not be found.’¶ 
- 
 
- 
exception 
XIODriverException(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’X-IO Volume Driver exception!’¶ 
- 
 
- 
exception 
XtremIOAlreadyMappedError(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Volume to Initiator Group mapping already exists’¶ 
- 
 
- 
exception 
XtremIOArrayBusy(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’System is busy, retry operation.’¶ 
- 
 
- 
exception 
XtremIOSnapshotsLimitExceeded(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Exceeded the limit of snapshots per volume’¶ 
- 
 
- 
exception 
ZadaraAttachmentsNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Failed to retrieve attachments for volume %(name)s’¶ 
- 
 
- 
exception 
ZadaraInvalidAttachmentInfo(message=None, **kwargs)¶ Bases:
cinder.exception.Invalid- 
message= u’Invalid attachment info for volume %(name)s: %(reason)s’¶ 
- 
 
- 
exception 
ZadaraServerCreateFailure(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Unable to create server object for initiator %(name)s’¶ 
- 
 
- 
exception 
ZadaraServerNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.NotFound- 
message= u’Unable to find server object for initiator %(name)s’¶ 
- 
 
- 
exception 
ZadaraVPSANoActiveController(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= u’Unable to find any active VPSA controller’¶ 
- 
 
- 
exception 
ZadaraVolumeNotFound(message=None, **kwargs)¶ Bases:
cinder.exception.VolumeDriverException- 
message= ‘%(reason)s’¶ 
- 
 
- 
exception 
ZoneManagerException(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Fibre Channel connection control failure: %(reason)s’¶ 
- 
 
- 
exception 
ZoneManagerNotInitialized(message=None, **kwargs)¶ Bases:
cinder.exception.CinderException- 
message= u’Fibre Channel Zone Manager not initialized’¶ 
-