def mdclean_all(skip_containers=False):
LOG.debug('Trying to wipe out all md devices')
mds_to_skip = []
for md in mddisplay():
# NOTE(agordeev): typically, for fake raids there's container device
# which has 'Raid Level': container, which shouldn't be cleaned.
# Also, operational MDs related to this container have 'Container' set
# to '/dev/<fakeraiddev>'
if skip_containers:
if 'Container' in md or \
('Raid Level' in md and md['Raid Level'] == 'container'):
mds_to_skip.append(md['name'])
continue
mdremove(md['name'])
for dev in md.get('devices', []):
mdclean(dev)
# second attempt, remove stale inactive devices
for md in mddisplay():
if md['name'] not in mds_to_skip:
mdremove(md['name'])
mds = mddisplay()
if len(mds) - len(mds_to_skip) > 0:
raise errors.MDRemovingError(
'Error while removing mds: few devices still presented %s' % mds)
if len(mds_to_skip):
LOG.debug('Cleaning was skipped for few MDs: %s', mds_to_skip)
def mdclean_all():
LOG.debug('Trying to wipe out all md devices')
for md in mddisplay():
mdremove(md['name'])
for dev in md.get('devices', []):
mdclean(dev)
# second attempt, remove stale inactive devices
for md in mddisplay():
mdremove(md['name'])
mds = mddisplay()
if len(mds) > 0:
raise errors.MDRemovingError(
'Error while removing mds: few devices still presented %s' % mds)