[Gluster-users] How to shutdown a node properly ?

[Gandalf Corvotempesta]

Yes but why killing gluster notifies all clients and a graceful shutdown
don't?
I think this is a bug, if I'm shutting down a server, it's obvious that all
clients should stop to connect to it....

Il 30 giu 2017 3:24 AM, "Ravishankar N" <ravishankar at redhat.com> ha scritto:

> On 06/30/2017 12:40 AM, Renaud Fortier wrote:
>
> On my nodes, when i use the system.d script to kill gluster (service
> glusterfs-server stop) only glusterd is killed. Then I guess the shutdown
> doesn’t kill everything !
>
>
> Killing glusterd does not kill other gluster processes.
>
> When you shutdown a node, everything obviously gets killed but the client
> does not get notified immediately that the brick went down, leading for it
> to wait for the 42 second ping-timeout after which it assumes the brick is
> down. When you kill the brick manually before shutdown, the client
> immediate  receives the notification and you don't see the hang. See Xavi's
> description in Bug 1054694.
>
> So if it is a planned shutdown or reboot, it is better to kill the gluster
> processes before shutting the node down. BTW, you can use
> https://github.com/gluster/glusterfs/blob/master/extras/
> stop-all-gluster-processes.sh which automatically checks for pending
> heals etc before killing the gluster processes.
>
> -Ravi
>
>
>
>
> *De :* Gandalf Corvotempesta [mailto:gandalf.corvotempesta at gmail.com
> <gandalf.corvotempesta at gmail.com>]
> *Envoyé :* 29 juin 2017 13:41
> *À :* Ravishankar N <ravishankar at redhat.com> <ravishankar at redhat.com>
> *Cc :* gluster-users at gluster.org; Renaud Fortier
> <Renaud.Fortier at fsaa.ulaval.ca> <Renaud.Fortier at fsaa.ulaval.ca>
> *Objet :* Re: [Gluster-users] How to shutdown a node properly ?
>
>
>
> Init.d/system.d script doesn't kill gluster automatically on
> reboot/shutdown?
>
>
>
> Il 29 giu 2017 5:16 PM, "Ravishankar N" <ravishankar at redhat.com> ha
> scritto:
>
> On 06/29/2017 08:31 PM, Renaud Fortier wrote:
>
> Hi,
>
> Everytime I shutdown a node, I lost access (from clients) to the volumes
> for 42 seconds (network.ping-timeout). Is there a special way to shutdown a
> node to keep the access to the volumes without interruption ? Currently, I
> use the ‘shutdown’ or ‘reboot’ command.
>
> `killall glusterfs glusterfsd glusterd` before issuing shutdown or
> reboot. If it is a replica or EC volume, ensure that there are no pending
> heals before bringing down a node. i.e. `gluster volume heal volname info`
> should show 0 entries.
>
>
>
>
> My setup is :
>
> -4 gluster 3.10.3 nodes on debian 8 (jessie)
>
> -3 volumes Distributed-Replicate 2 X 2 = 4
>
>
>
> Thank you
>
> Renaud
>
>
>
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