On Mon, 18 Jun 2012, Josh Durgin wrote: > > > $ rbd copyup pool2/child1 > > > > Does "copyup" make sense to everyone? Every time you say it, my brain > > needs to flip the image inside the other way around -- I naturally > > imagine a tree with the parent at the top, and children and > > grandchildren down from it, but then I can't call that operation > > "copyup" without wrecking my mental image. > > > > I also can't seem to google good evidence that the term would be in > > widespread use in the enterprisey block storage world, outside of the > > unionfs world.. What do people call the un-dedupping, un-thinning of > > copy-on-write thin provisioning? > > > > "unshare"? > > I'm not sure what best term is, but there's probably something better than > copyup. "flatten"? My mental model is stuck on the "layering" analogy, where the child is a copy-on-write layer on top of a read-only parent. Someday we may want to support the ability to add a parent to an existing image and do a sort of "dedup", so having an opposite for whatever term we pick would be a bonus. sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
