[Gluster-users] Transport Endpoint Not Connected When Writing a Lot of Files

[Amar Tumballi]

'Transport endpoint not connected' (ie, ENOTCONN) comes when the n/w
connection is not established between client and the server. I recommend
checking the logs for particular reason. Specially the brick (server side)
logs will have some hints on this.

About the crash, we treat it as a bug. Considering there is no specific
backtrace, or logs shared with the email, it is hard to tell if it is
already fixed in higher version or not.

Considering you are in 4.1.8 version, and there are many releases done
after that, upgrading also can be an option.

Regards,
Amar


On Fri, Oct 11, 2019 at 4:13 PM DUCARROZ Birgit <birgit.ducarroz at unifr.ch>
wrote:

> Hi list,
>
> Does anyone know what I can do to avoid "Transport Endpoint not
> connected" (and then to get a blocked server) when writing a lot of
> small files on a volume?
>
> I'm running glusterfs 4.1.8 on 6 servers. With 3 servers I never have
> problems, but the other 3 servers are acting as HA storage for people
> who write sometimes a thousands of small files. This seems to provoke a
> crash of the gluster daemon.
>
> I have 3 bricks whereas the 3rd brick acts as arbiter.
>
>
> # Location of the bricks:
> #-------$HOST1-------  -------$HOST3-------
> # brick1            |  | brick3           | brick3 = arbiter
> #                   |  |                  |
> #-------$HOST2-------  --------------------
> # brick2            |
> #--------------------
>
> Checked:
> The underlying ext4 filesystem and the HD's seem to be without errors.
> The ports in the firewall should not be the problem since it occurs also
> when the firewall is disabled.
>
> Any help appreciated!
> Kind regards,
> Birgit
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