def comm_create_pair(self, pvol, svol, is_vvol):
if not is_vvol:
args = '-compsplit -pace %s' % self.pace
method = basic_lib.FULL
else:
pool = self.conf.hitachi_thin_pool_id
args = ('-localrepdppoolno %d -localmngdppoolno %d '
'-compsplit -pace %s' % (pool, pool, self.pace))
method = basic_lib.THIN
try:
self.pairoperate('create', pvol, svol, is_vvol, args=args)
except exception.HBSDCmdError as ex:
if (re.search('DMER0300B8', ex.stderr)
or re.search('DMER0800CF', ex.stderr)
or re.search('DMER0800D[0-6D]', ex.stderr)
or re.search('DMER03006A', ex.stderr)
or re.search('DMER030080', ex.stderr)):
msg = basic_lib.output_err(615, copy_method=method, pvol=pvol)
raise exception.HBSDBusy(message=msg)
else:
raise
def delete_pair(self, ldev, all_split=True, is_vvol=None):
paired_info = self.command.get_paired_info(ldev)
LOG.debug('paired_info: %s', paired_info)
pvol = paired_info['pvol']
svols = paired_info['svol']
driver = self.generated_from
restart = False
svol_list = []
try:
if pvol is None:
return
elif pvol == ldev:
for svol in svols[:]:
if svol['is_vvol'] or svol['status'] != basic_lib.PSUS:
continue
self.command.delete_pair(pvol, svol['lun'], False)
restart = True
driver.pair_terminate_connection(svol['lun'])
svols.remove(svol)
if all_split and svols:
svol_list.append(six.text_type(svols[0]['lun']))
for svol in svols[1:]:
svol_list.append(', %d' % svol['lun'])
msg = basic_lib.output_err(616,
pvol=pvol,
svol=''.join(svol_list))
raise exception.HBSDBusy(message=msg)
if not svols:
driver.pair_terminate_connection(pvol)
else:
self.add_volinfo(pvol)
if not self.volume_info[pvol]['in_use'].lock.acquire(False):
desc = self.volume_info[pvol]['in_use'].desc
msg = basic_lib.output_err(660, desc=desc)
raise exception.HBSDBusy(message=msg)
try:
paired_info = self.command.get_paired_info(ldev)
if paired_info['pvol'] is None:
return
svol = paired_info['svol'][0]
if svol['status'] != basic_lib.PSUS:
msg = basic_lib.output_err(616, pvol=pvol, svol=ldev)
raise exception.HBSDBusy(message=msg)
self.command.delete_pair(pvol, ldev, svol['is_vvol'])
if not svol['is_vvol']:
restart = True
driver.pair_terminate_connection(ldev)
paired_info = self.command.get_paired_info(pvol)
if paired_info['pvol'] is None:
driver.pair_terminate_connection(pvol)
finally:
self.volume_info[pvol]['in_use'].lock.release()
except Exception:
with excutils.save_and_reraise_exception():
if restart:
try:
self.command.restart_pair_horcm()
except Exception as e:
LOG.warning('Failed to restart horcm: %s', e)
else:
if (all_split or is_vvol) and restart:
try:
self.command.restart_pair_horcm()
except Exception as e:
LOG.warning('Failed to restart horcm: %s', e)
