Hi Ravishankar,
Thanks for your share, it's very useful to me.
I am setting up a glusterfs storage cluster recently and the
umount/mount recovering process bothered me.
I happened to find some patches[1] from internet aiming to address such
a problem but no idea why they were not managed to merge into glusterfs
mainline.
Do you know why?
Thanks,
Changwei
[1]:
https://review.gluster.org/#/c/glusterfs/+/16843/
https://github.com/gluster/glusterfs/issues/242
On 2019/8/6 1:12 下午, Ravishankar N wrote:
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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