Lines Matching full:source

11 existing, read-only source device into a writable destination device: It
18 and the copy of the source device to the destination device happens in the
37      the same region of the source device, i.e., copying the region from the
38      source to the destination device.
52 1. A source device - the read-only device that gets cloned and source of the
56    clone of the source device.
63 source device.
68 dm-clone divides the source and destination devices in fixed sized regions.
70 the source to the destination device.
80 A read to a not yet hydrated region is serviced directly from the source device.
86 the corresponding region from the source device and overwrite the region of the
94 skips copying the region's data from the source to the destination device, and
103 dm-clone copies continuously from the source to the destination device, until
106 Copying data from the source to the destination device uses bandwidth. The user
114 dm-clone employs dm-kcopyd for copying portions of the source device to the
141    clone <metadata dev> <destination dev> <source dev> <region size>
146  destination dev  The destination device, where the source will be cloned
147  source dev       Read only device containing the data that gets cloned
171                                   the source to the destination device at any
175                                   from the source to the destination device in
267 1. We redirect reads, to not-yet-hydrated regions, to the source device. If
268    reading the source device has high latency and the user repeatedly reads from
272    reading them multiple times from the source device.
277 3. During background hydration, if we fail to read the source or write to the
288 1. Use dm-cache with cache size equal to the source device and implement a new
291    * The resulting cache device is not a one-to-one mirror of the source device
294    * dm-cache writes to the source device, which violates our requirement that
295      the source device must be treated as read-only.
299 2. Use dm-snapshot with a COW device equal to the source device:
302      is not a one-to-one mirror of the source device.
314    the source device must be treated as read-only.
318    one-to-one mirror of the source device and handles reads and writes to