def teardown(self, recursive=None):
""" Close, or tear down, a device. """
if not self.exists and not recursive:
raise RaidArrayError("device has not been created", self.name)
if self.status:
if self.originalFormat.exists:
self.originalFormat.teardown()
if self.format.exists:
self.format.teardown()
udev_settle()
# Since BIOS RAID sets (containers in raid terminology) never change
# there is no need to stop them and later restart them. Not stopping
# (and thus also not starting) them also works around bug 523334
if self.type == "mdcontainer" or self.type == "mdbiosraidarray":
return
# We don't really care what the array's state is. If the device
# file exists, we want to deactivate it. raid has too many
# states.
if self.exists and os.path.exists(self.path):
raid.mddeactivate(self.path)
if recursive:
self.teardownParents(recursive=recursive)
def teardown(self, recursive=None):
""" Close, or tear down, a device. """
if not self.exists and not recursive:
raise RaidArrayError("device has not been created", self.name)
if self.status:
if self.originalFormat.exists:
self.originalFormat.teardown()
if self.format.exists:
self.format.teardown()
udev_settle()
# Since BIOS RAID sets (containers in raid terminology) never change
# there is no need to stop them and later restart them. Not stopping
# (and thus also not starting) them also works around bug 523334
if self.type == "mdcontainer" or self.type == "mdbiosraidarray":
return
# We don't really care what the array's state is. If the device
# file exists, we want to deactivate it. raid has too many
# states.
if self.exists and os.path.exists(self.path):
raid.mddeactivate(self.path)
if recursive:
self.teardownParents(recursive=recursive)
def setup(self, intf=None, orig=False):
""" Open, or set up, a device. """
if not self.exists:
raise RaidArrayError("device has not been created", self.name)
if self.status:
return
disks = []
for member in self.devices:
member.setup(orig=orig)
disks.append(member.path)
update_super_minor = True
if self.type == "mdcontainer" or self.type == "mdbiosraidarray":
update_super_minor = False
raid.mdactivate(self.path,
members=disks,
super_minor=self.minor,
update_super_minor=update_super_minor,
uuid=self.uuid)
udev_settle()
# we always probe since the device may not be set up when we want
# information about it
self._size = self.currentSize
def create(self):
""" Create the device. """
if self.exists:
raise DeviceError("device already exists", self.name)
try:
self.createParents()
self.setupParents()
disks = [disk.path for disk in self.devices]
spares = len(self.devices) - self.memberDevices
raid.mdcreate(self.path,
self.level,
disks,
spares,
metadataVer=self.createMetadataVer,
bitmap=self.createBitmap)
except Exception:
raise
else:
self.exists = True
# the array is automatically activated upon creation, but...
self.setup()
udev_settle()
self.updateSysfsPath()
info = udev_get_block_device(self.sysfsPath)
self.uuid = udev_device_get_md_uuid(info)
for member in self.devices:
member.mdUuid = self.uuid
def setup(self, intf=None, orig=False):
""" Open, or set up, a device. """
if not self.exists:
raise RaidArrayError("device has not been created", self.name)
if self.status:
return
disks = []
for member in self.devices:
member.setup(orig=orig)
disks.append(member.path)
update_super_minor = True
if self.type == "mdcontainer" or self.type == "mdbiosraidarray":
update_super_minor = False
raid.mdactivate(self.path,
members=disks,
super_minor=self.minor,
update_super_minor=update_super_minor,
uuid=self.uuid)
udev_settle()
# we always probe since the device may not be set up when we want
# information about it
self._size = self.currentSize
def resize(self, intf=None):
# XXX resize format probably, right?
if not self.exists:
raise DeviceError("device has not been created", self.name)
# Setup VG parents (in case they are dmraid partitions for example)
self.vg.setupParents(orig=True)
if self.originalFormat.exists:
self.originalFormat.teardown()
if self.format.exists:
self.format.teardown()
udev_settle()
lvm.lvresize(self.vg.name, self._name, self.size)
def resize(self, intf=None):
# XXX resize format probably, right?
if not self.exists:
raise LogicalVolumeError("device has not been created", self.name)
# Setup VG parents (in case they are dmraid partitions for example)
self.vg.setupParents(orig=True)
if self.originalFormat.exists:
self.originalFormat.teardown()
if self.format.exists:
self.format.teardown()
udev_settle()
lvm.lvresize(self.vg.name, self._name, self.size)
def teardown(self, recursive=None):
""" Close, or tear down, a device. """
if not self.exists and not recursive:
raise DeviceError("device has not been created", self.name)
if self.status:
if self.originalFormat.exists:
self.originalFormat.teardown()
if self.format.exists:
self.format.teardown()
udev_settle()
if self.status:
try:
lvm.lvdeactivate(self.vg.name, self._name)
except lvm.LVMError, msg:
ctx.logger.debug("lv %s deactivate failed; continuing" % self._name)
def teardown(self, recursive=None):
""" Close, or tear down, a device. """
if not self.exists and not recursive:
raise LogicalVolumeError("device has not been created", self.name)
if self.status:
if self.originalFormat.exists:
self.originalFormat.teardown()
if self.format.exists:
self.format.teardown()
udev_settle()
if self.status:
try:
lvm.lvdeactivate(self.vg.name, self._name)
except lvm.LVMError, msg:
ctx.logger.debug("lv %s deactivate failed; continuing" % self._name)
def _addDevice(self, device):
""" Add a new member device to the array.
XXX This is for use when probing devices, not for modification
of arrays.
"""
if not self.exists:
raise RaidArrayError("device has not been created", self.name)
if not isinstance(device.format, self.formatClass):
raise ValueError("invalid device format for raid member")
if self.uuid and device.format.mdUuid != self.uuid:
raise ValueError("cannot add member with non-matching UUID")
if device in self.devices:
raise ValueError("device is already a member of this array")
# we added it, so now set up the relations
self.devices.append(device)
device.addChild()
device.setup()
udev_settle()
try:
raid.mdadd(device.path)
# mdadd causes udev events
udev_settle()
except raid.RaidError as e:
ctx.logger.warning("failed to add member %s to md array %s: %s"
% (device.path, self.path, e))
if self.status:
# we always probe since the device may not be set up when we want
# information about it
self._size = self.currentSize
def _addDevice(self, device):
""" Add a new member device to the array.
XXX This is for use when probing devices, not for modification
of arrays.
"""
if not self.exists:
raise RaidArrayError("device has not been created", self.name)
if not isinstance(device.format, self.formatClass):
raise ValueError("invalid device format for raid member")
if self.uuid and device.format.mdUuid != self.uuid:
raise ValueError("cannot add member with non-matching UUID")
if device in self.devices:
raise ValueError("device is already a member of this array")
# we added it, so now set up the relations
self.devices.append(device)
device.addChild()
device.setup()
udev_settle()
try:
raid.mdadd(device.path)
# mdadd causes udev events
udev_settle()
except raid.RaidError as e:
ctx.logger.warning("failed to add member %s to md array %s: %s" %
(device.path, self.path, e))
if self.status:
# we always probe since the device may not be set up when we want
# information about it
self._size = self.currentSize
def activate(self):
""" Activate the raid set. """
# This call already checks if the set is active.
self._raidSet.activate(mknod=True)
udev_settle()
disks = [disk.path for disk in self.devices]
spares = len(self.devices) - self.memberDevices
raid.mdcreate(self.path,
self.level,
disks,
spares,
metadataVer=self.createMetadataVer,
bitmap=self.createBitmap)
except Exception, msg:
raise RaidArrayError, msg
else:
self.exists = True
# the array is automatically activated upon creation, but...
self.setup()
udev_settle()
self.updateSysfsPath()
info = udev_get_block_device(self.sysfsPath)
self.uuid = udev_device_get_md_uuid(info)
for member in self.devices:
member.mdUuid = self.uuid
finally:
if w:
w.pop()
@property
def formatArgs(self):
formatArgs = []
if self.format.type == "ext2":
if self.level == raid.RAID5:
formatArgs = ['-R',
disks = [disk.path for disk in self.devices]
spares = len(self.devices) - self.memberDevices
raid.mdcreate(self.path,
self.level,
disks,
spares,
metadataVer=self.createMetadataVer,
bitmap=self.createBitmap)
except Exception, msg:
raise RaidArrayError, msg
else:
self.exists = True
# the array is automatically activated upon creation, but...
self.setup()
udev_settle()
self.updateSysfsPath()
info = udev_get_block_device(self.sysfsPath)
self.uuid = udev_device_get_md_uuid(info)
for member in self.devices:
member.mdUuid = self.uuid
finally:
if w:
w.pop()
@property
def formatArgs(self):
formatArgs = []
if self.format.type == "ext2":
if self.level == raid.RAID5:
formatArgs = [
def activate(self):
""" Activate the raid set. """
# This call already checks if the set is active.
self._raidSet.activate(mknod=True)
udev_settle()
