On May 18, 2020, at 5:13 AM, hw <h...@gc-24.de> wrote:
> 
> Is there a better alternative for mounting remote file systems over 
> unreliable 
> connections?

I don’t have a good answer for you, because if you’d asked me without all this 
backstory whether NFS or SSHFS is more tolerant of bad connections, I’d have 
told you SSHFS.

NFS comes out of the "Unix lab” world, where all of the computers are 
hard-wired to nearby servers.  It gets really annoyed when packet loss starts 
happening, and since it’s down in the kernel, that can mean the whole box locks 
up until NFS gets happy again.

NFS is that way on purpose: it’s often used to provide critical file service 
(e.g. root-on-NFS) so if file I/O stops happening it *must* block and wait out 
the failure, else all I/O dependent on NFS starts failing.

Some of this affects SSHFS as well.  To some extent, the solution to the 
broader problem is “Dropbox” et al.  That is, a solution that was designed 
around the idea that connectivity might not be constant.

This is also while DVCSes like Git have become popular.
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