> On 20/11/2016, at 12:20 am, Volker Kuhlmann <[email protected]> wrote: > > What are the critical failure points when the network link gets shaken > down? Or rather, what are chances of recovery compared with local (USB, > ...) disk?
I'm not sure if this was a pondering around the nfs/losetup suggestion or a question around the sparseimage/SMB process that I'm using, but in the case of what I'm using, if the network connection is broken, the TCP obviously dies, the SSH breaks, which causes SMB to eventually time out, and macOS to unmount both the SMB share and the sparseimage file (causing rsync to error out). But the disc image format handles the unexpected dismount gracefully and I believe performs a journal replay and background hfs verification upon next mount. So up the stack at layer 8 (me), it's all appears to be handled under the hood and there is no failure apparent, other than that backup sync not finishing. :) Pete
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