def add_disk(self, disk_path):
if os.path.islink(disk_path):
disk_path = os.path.realpath(disk_path)
disk = Disk.from_path(disk_path)
hdd_group = LinearTable(self.group_name)
assert hdd_group.existed, "Group %s dose NOT exist..." % self.group_name
hdd_group.insert_disk(disk)
dm = Dmsetup()
cache_dev = dm.mapdev_prefix + self._cache_name()
cached_table = '0 %d linear %s %d' % (disk.size, cache_dev, disk.start)
cached_disk_name = self._cached_disk_name(disk.dev)
dm.create_table(cached_disk_name, cached_table)
return dm.mapdev_prefix + cached_disk_name
def add_disk(self, disk_path):
if os.path.islink(disk_path):
disk_path = os.path.realpath(disk_path)
disk = Disk.from_path(disk_path, root_helper=self.root_helper)
hdd_group = LinearTable(self.group_name, root_helper=self.root_helper)
assert hdd_group.existed, "Group %s dose NOT exist..." % self.group_name
hdd_group.insert_disk(disk)
dm = Dmsetup(root_helper=self.root_helper)
cache_dev = dm.mapdev_prefix + self._cache_name()
cached_table = '0 %d linear %s %d' % (disk.size, cache_dev, disk.start)
cached_disk_name = self._cached_disk_name(disk.dev)
dm.create_table(cached_disk_name, cached_table)
return dm.mapdev_prefix + cached_disk_name
