Displaying 1 result from an estimated 1 matches for "sendshot".
2012 Jul 05
7
[RFC] Btrfs "sendshots" and hidden snapshots
Hello all,
in IRC we had a discussion on how we could solve sending live
subvolumes and how to send subvolumes without the need to
administrate/keep old snapshots for incremental sends. One of the
ideas was to introduce "sendshots", which are basically snapshots
where no refs are counted for file data. This means, that when file
data is changed in the sendshot origin, we do not consume extra space
for two copies of the data. We would only have the metadata
duplicated.
For the initial btrfs send we could do this:
1. Cr...