def failover_volume(volume, new_status):
mirror_name = utils.construct_mirror_name(volume)
provider_location = volume.provider_location
try:
mirror_view.promote_image(mirror_name)
except storops_ex.VNXMirrorException as ex:
LOG.error(
'Failed to failover volume %(volume_id)s '
'to %(target)s: %(error)s.',
{'volume_id': volume.id,
'target': secondary_backend_id,
'error': ex})
new_status = fields.ReplicationStatus.FAILOVER_ERROR
else:
# Transfer ownership to secondary_backend_id and
# update provider_location field
secondary_client = mirror_view.secondary_client
provider_location = utils.update_remote_provider_location(
volume, secondary_client)
model_update = {'volume_id': volume.id,
'updates':
{'replication_status': new_status,
'provider_location': provider_location}}
volume_update_list.append(model_update)
def failover_volume(volume, new_status):
mirror_name = utils.construct_mirror_name(volume)
provider_location = volume.provider_location
try:
mirror_view.promote_image(mirror_name)
except storops_ex.VNXMirrorException as ex:
LOG.error(
'Failed to failover volume %(volume_id)s '
'to %(target)s: %(error)s.',
{'volume_id': volume.id,
'target': secondary_backend_id,
'error': ex})
new_status = fields.ReplicationStatus.FAILOVER_ERROR
else:
# Transfer ownership to secondary_backend_id and
# update provider_location field
secondary_client = mirror_view.secondary_client
provider_location = utils.update_remote_provider_location(
volume, secondary_client)
model_update = {'volume_id': volume.id,
'updates':
{'replication_status': new_status,
'provider_location': provider_location}}
volume_update_list.append(model_update)
def failover_replication(self, context, group, volumes,
secondary_backend_id):
""""Fail-over the consistent mirror group.
Note:
VNX supports fail over all the mirrors in a group as a whole,
no need to handle each mirror one by one.
"""
volume_update_list = []
group_update = {'replication_status': group.replication_status}
if secondary_backend_id != 'default':
mirror_view = self.build_mirror_view(self.config, True)
rep_status = fields.ReplicationStatus.FAILED_OVER
else:
mirror_view = self.build_mirror_view(self.config, False)
rep_status = fields.ReplicationStatus.ENABLED
# Update volume provider_location
secondary_client = mirror_view.secondary_client
group_name = utils.construct_group_name(group)
try:
mirror_view.promote_mirror_group(group_name)
except storops_ex.VNXMirrorException as ex:
LOG.error(
'Failed to failover group %(group_id)s '
'to %(target)s: %(error)s.', {
'group_id': group.id,
'target': secondary_backend_id,
'error': ex
})
rep_status = fields.ReplicationStatus.FAILOVER_ERROR
for volume in volumes:
volume_update = {
'id':
volume.id,
'provider_location':
utils.update_remote_provider_location(volume,
secondary_client),
'replication_status':
rep_status
}
volume_update_list.append(volume_update)
group_update['replication_status'] = rep_status
return group_update, volume_update_list
def failover_replication(self, context, group, volumes,
secondary_backend_id):
""""Fail-over the consistent mirror group.
Note:
VNX supports fail over all the mirrors in a group as a whole,
no need to handle each mirror one by one.
"""
volume_update_list = []
group_update = {'replication_status': group.replication_status}
if secondary_backend_id != 'default':
mirror_view = self.build_mirror_view(self.config, True)
rep_status = fields.ReplicationStatus.FAILED_OVER
else:
mirror_view = self.build_mirror_view(self.config, False)
rep_status = fields.ReplicationStatus.ENABLED
# Update volume provider_location
secondary_client = mirror_view.secondary_client
group_name = utils.construct_group_name(group)
try:
mirror_view.promote_mirror_group(group_name)
except storops_ex.VNXMirrorException as ex:
LOG.error(
'Failed to failover group %(group_id)s '
'to %(target)s: %(error)s.',
{'group_id': group.id,
'target': secondary_backend_id,
'error': ex})
rep_status = fields.ReplicationStatus.FAILOVER_ERROR
for volume in volumes:
volume_update = {
'id': volume.id,
'provider_location': utils.update_remote_provider_location(
volume, secondary_client),
'replication_status': rep_status}
volume_update_list.append(volume_update)
group_update['replication_status'] = rep_status
return group_update, volume_update_list