[Gluster-devel] [RFC] What if client fuse process crash?

[Ravishankar N]

On 05/08/19 3:31 PM, Changwei Ge wrote:
> Hi list,
>
> If somehow, glusterfs client fuse process dies. All subsequent file 
> operations will be failed with error 'no connection'.
>
> I am curious if the only way to recover is umount and mount again?
Yes, this is pretty much the case with all fuse based file systems. You 
can use -o auto_unmount (https://review.gluster.org/#/c/17230/) to 
automatically cleanup and not having to manually unmount.
>
> If so, that means all processes working on top of glusterfs have to 
> close files, which sometimes is hard to be acceptable.

There is 
https://research.cs.wisc.edu/wind/Publications/refuse-eurosys11.html, 
which claims to provide a framework for transparent failovers.  I can't 
find any publicly available code though.

Regards,
Ravi
>
>
> Thanks,
>
> Changwei
>
>
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