def attach_cache_pool(self, cache_lv):
lvconvert(
"--type",
"cache",
"--cachepool",
"%s/%s" % (cache_lv.vg.name, cache_lv.name),
"%s/%s" % (self.vg.name, self.name),
)
def create_cache_pool(self, lv_name, mode="writethrough", metadata_lv=None, **kwargs):
cache_lv = self.create_volume(lv_name, **kwargs)
if mode not in ["writeback", "writethrough"]:
raise ValueError("invalid cache mode: %s" % mode)
args = ("--type", "cache-pool", "--cachemode", mode)
if metadata_lv is not None:
md_args = ("--poolmetadata", "%s/%s" % (metadata_lv.vg.name, metadata_lv.name))
args = args + md_args
lvconvert(*(args + ("%s/%s" % (self.name, cache_lv.name),)))
return cache_lv
def create_cache_pool(self,
lv_name,
mode='writethrough',
metadata_lv=None,
**kwargs):
cache_lv = self.create_volume(lv_name, **kwargs)
if mode not in ['writeback', 'writethrough']:
raise ValueError('invalid cache mode: %s' % mode)
args = ('--yes', '--type', 'cache-pool', '--cachemode', mode)
if metadata_lv is not None:
md_args = ('--poolmetadata',
'%s/%s' % (metadata_lv.vg.name, metadata_lv.name))
args = args + md_args
lvconvert(*(args + ('%s/%s' % (self.name, cache_lv.name), )))
return cache_lv
def create_cache_pool(self, lv_name,
mode='writethrough',
metadata_lv=None,
**kwargs):
cache_lv = self.create_volume(lv_name, **kwargs)
if mode not in ['writeback', 'writethrough']:
raise ValueError('invalid cache mode: %s' % mode)
args = ('--type', 'cache-pool',
'--cachemode', mode)
if metadata_lv is not None:
md_args = ('--poolmetadata',
'%s/%s' % (metadata_lv.vg.name,
metadata_lv.name))
args = args + md_args
lvconvert(*(args + ('%s/%s' % (self.name,
cache_lv.name),)))
return cache_lv
def attach_cache_pool(self, cache_lv):
lvconvert('--type', 'cache', '--cachepool',
'%s/%s' % (cache_lv.vg.name, cache_lv.name),
'%s/%s' % (self.vg.name, self.name))
def attach_cache_pool(self, cache_lv):
lvconvert('--type', 'cache',
'--cachepool', '%s/%s' % (cache_lv.vg.name,
cache_lv.name),
'%s/%s' % (self.vg.name, self.name))
