Revision 87812fd3
| b/lib/backend.py | ||
|---|---|---|
| 1743 | 1743 |
r_dev = _RecursiveFindBD(disk) |
| 1744 | 1744 |
if r_dev is not None: |
| 1745 | 1745 |
# let's stay on the safe side and ask for the full size, for now |
| 1746 |
return r_dev.Snapshot(disk.size) |
|
| 1746 |
return True, r_dev.Snapshot(disk.size)
|
|
| 1747 | 1747 |
else: |
| 1748 |
return None
|
|
| 1748 |
_Fail("Cannot find block device %s", disk)
|
|
| 1749 | 1749 |
else: |
| 1750 |
raise errors.ProgrammerError("Cannot snapshot non-lvm block device"
|
|
| 1751 |
" '%s' of type '%s'" % |
|
| 1752 |
(disk.unique_id, disk.dev_type)) |
|
| 1750 |
_Fail("Cannot snapshot non-lvm block device '%s' of type '%s'",
|
|
| 1751 |
disk.unique_id, disk.dev_type) |
|
| 1753 | 1752 |
|
| 1754 | 1753 |
|
| 1755 | 1754 |
def ExportSnapshot(disk, dest_node, instance, cluster_name, idx): |
| b/lib/cmdlib.py | ||
|---|---|---|
| 6462 | 6462 |
|
| 6463 | 6463 |
try: |
| 6464 | 6464 |
for disk in instance.disks: |
| 6465 |
# new_dev_name will be a snapshot of an lvm leaf of the one we passed |
|
| 6466 |
new_dev_name = self.rpc.call_blockdev_snapshot(src_node, disk) |
|
| 6467 |
if new_dev_name.failed or not new_dev_name.data: |
|
| 6468 |
self.LogWarning("Could not snapshot block device %s on node %s",
|
|
| 6469 |
disk.logical_id[1], src_node) |
|
| 6465 |
# result.payload will be a snapshot of an lvm leaf of the one we passed |
|
| 6466 |
result = self.rpc.call_blockdev_snapshot(src_node, disk) |
|
| 6467 |
msg = result.RemoteFailMsg() |
|
| 6468 |
if msg: |
|
| 6469 |
self.LogWarning("Could not snapshot block device %s on node %s: %s",
|
|
| 6470 |
disk.logical_id[1], src_node, msg) |
|
| 6470 | 6471 |
snap_disks.append(False) |
| 6471 | 6472 |
else: |
| 6473 |
disk_id = (vgname, result.payload) |
|
| 6472 | 6474 |
new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
| 6473 |
logical_id=(vgname, new_dev_name.data), |
|
| 6474 |
physical_id=(vgname, new_dev_name.data), |
|
| 6475 |
logical_id=disk_id, physical_id=disk_id, |
|
| 6475 | 6476 |
iv_name=disk.iv_name) |
| 6476 | 6477 |
snap_disks.append(new_dev) |
| 6477 | 6478 |
|
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