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Importing a new version from external source
There are two types of merge: offline and online. "offline" means that we have
a bunch of stand-alone image files w/o kernel ploop running over them.
"online" means that we have kernel ploop running over them. It's OK to perform
online merge concurrently with other i/o activity (i.e. no need to stop ploop
device or freeze upper-layer apps).
a bunch of stand-alone image files w/o kernel ploop running over them.
"online" means that we have kernel ploop running over them. It's OK to perform
online merge concurrently with other i/o activity (i.e. no need to stop ploop
device or freeze upper-layer apps).