[Gluster-users] Shutting down a server with no service disruption and Xen instance errors

[Hoggins!]

Hello,

Simply first stop the Glusterfs services on the brick you intend to
shutdown, and everything is fine.
I also experienced issues when I rebooted a brick without stopping the
services first.

    Hoggins!

Le 03/12/2013 14:53, Torbjørn Thorsen a écrit :
> Hello.
>
> We've got a 2x2 volume with two servers, holding Xen images for about
> 200 instances.
> Yesterday we wanted to reboot one of the servers into a new kernel and
> a new version of Gluster, and simply rebooted the server in question.
>
> This caused problems for some of the Xen instances, giving IO errors
> in their "dmesg" output.
> Some instances had to be rebooted and fsck-ed to come up again.
>
> Is there any way to inform the Gluster FUSE client to stop using a
> certain server,
> so that a reboot of the server can be performed gracefully ?
>
> I'm thinking maybe reducing network.ping-timeout to something very low,
> so that the kernel of the Xen instance will not complain about IO errors.
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