def _create_hdd_group(self):
group_name = self.group_name
hdd_size = '1P'
hdd_sectors = utils.bytes2sectors(hdd_size)
hdd = Disk.from_error(hdd_sectors, root_helper=self.root_helper)
self.hdd_group = DmLinearTable.from_disks(group_name, [hdd],
root_helper=self.root_helper)
def create_group(self, ssds, block_size, pattern):
#TODO: roll back if failed
group_name = self.group_name
hdd_size = '1P'
hdd_sectors = utils.bytes2sectors(hdd_size)
hdd = Disk.from_error(hdd_sectors, root_helper=self.root_helper)
hdd_group = LinearTable.from_disks(group_name, [hdd], root_helper=self.root_helper)
ssd_name = self._ssd_name()
ssd_group = LinearTable.from_disks(ssd_name, ssds, root_helper=self.root_helper)
fc = Flashcache(root_helper=self.root_helper)
cache_name = self._cache_name()
cache_dev = fc.create(cache_name, ssd_group.path, hdd_group.path, block_size, pattern)
return cache_dev
def create_group(self, ssds, block_size, pattern):
#TODO: roll back if failed
group_name = self.group_name
dm = Dmsetup()
hdd_size = '1P'
hdd_sectors = utils.bytes2sectors(hdd_size)
hdd = Disk.from_error(hdd_sectors)
hdd_group = LinearTable.from_disks(group_name, [hdd])
ssd_name = self._ssd_name()
ssd_group = LinearTable.from_disks(ssd_name, ssds)
fc = Flashcache()
cache_name = self._cache_name()
cache_Dev = fc.create(cache_name, ssd_group.path, hdd_group.path, block_size, pattern)
def create_group(self, ssds, block_size, pattern):
#TODO: roll back if failed
group_name = self.group_name
dm = Dmsetup()
hdd_size = '1P'
hdd_sectors = utils.bytes2sectors(hdd_size)
hdd = Disk.from_error(hdd_sectors)
hdd_group = LinearTable.from_disks(group_name, [hdd])
ssd_name = self._ssd_name()
ssd_group = LinearTable.from_disks(ssd_name, ssds)
fc = Flashcache()
cache_name = self._cache_name()
cache_Dev = fc.create(cache_name, ssd_group.path, hdd_group.path,
block_size, pattern)
def _create_hdd_group(self):
group_name = self.group_name
hdd_size = '1P'
hdd_sectors = utils.bytes2sectors(hdd_size)
hdd = Disk.from_error(hdd_sectors, root_helper=self.root_helper)
self.hdd_group = DmLinearTable.from_disks(group_name, [hdd], root_helper=self.root_helper)
