return highest + 1
@classmethod
- def _IsValidMeta(cls, meta_device):
- """Check if the given meta device looks like a valid one.
-
- """
- minor = cls._FindUnusedMinor()
- minor_path = cls._DevPath(minor)
- result = utils.RunCmd(["drbdmeta", minor_path,
- "v08", meta_device, "0",
- "dstate"])
- if result.failed:
- logging.error("Invalid meta device %s: %s", meta_device, result.output)
- return False
- return True
-
- @classmethod
def _GetShowParser(cls):
"""Return a parser for `drbd show` output.
def _AssembleLocal(cls, minor, backend, meta):
"""Configure the local part of a DRBD device.
- This is the first thing that must be done on an unconfigured DRBD
- device. And it must be done only once.
-
"""
- if not cls._IsValidMeta(meta):
- return False
args = ["drbdsetup", cls._DevPath(minor), "disk",
backend, meta, "0", "-e", "detach", "--create-device"]
result = utils.RunCmd(args)
if not self._CheckMetaSize(meta.dev_path):
raise errors.BlockDeviceError("Invalid meta device size")
self._InitMeta(self._FindUnusedMinor(), meta.dev_path)
- if not self._IsValidMeta(meta.dev_path):
- raise errors.BlockDeviceError("Cannot initalize meta device")
if not self._AssembleLocal(self.minor, backend.dev_path, meta.dev_path):
raise errors.BlockDeviceError("Can't attach to local storage")
raise errors.BlockDeviceError("Can't attach to meta device")
if not cls._CheckMetaSize(meta.dev_path):
raise errors.BlockDeviceError("Invalid meta device size")
- cls._InitMeta(cls._FindUnusedMinor(), meta.dev_path)
- if not cls._IsValidMeta(meta.dev_path):
- raise errors.BlockDeviceError("Cannot initalize meta device")
+ cls._InitMeta(aminor, meta.dev_path)
return cls(unique_id, children)
def Grow(self, amount):