Volume discovery and local storage management lib
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

52 lines
1.9 KiB

# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_log import log as logging
from os_brick import initiator
from os_brick.initiator.connectors import fibre_channel
LOG = logging.getLogger(__name__)
class FibreChannelConnectorPPC64(fibre_channel.FibreChannelConnector):
"""Connector class to attach/detach Fibre Channel volumes on PPC64 arch."""
platform = initiator.PLATFORM_PPC64
def __init__(self, root_helper, driver=None,
execute=None, use_multipath=False,
device_scan_attempts=initiator.DEVICE_SCAN_ATTEMPTS_DEFAULT,
*args, **kwargs):
super(FibreChannelConnectorPPC64, self).__init__(
root_helper,
driver=driver,
execute=execute,
device_scan_attempts=device_scan_attempts,
*args, **kwargs)
self.use_multipath = use_multipath
def set_execute(self, execute):
super(FibreChannelConnectorPPC64, self).set_execute(execute)
self._linuxscsi.set_execute(execute)
self._linuxfc.set_execute(execute)
def _get_host_devices(self, possible_devs, lun):
host_devices = set()
for pci_num, target_wwn in possible_devs:
host_device = "/dev/disk/by-path/fc-%s-lun-%s" % (
target_wwn,
self._linuxscsi.process_lun_id(lun))
host_devices.add(host_device)
return list(host_devices)