[Linux-cluster] Cluster Crashes
Derek Anderson
Derek.Anderson at compellent.com
Thu Nov 16 22:17:19 UTC 2006
> -----Original Message-----
> From: linux-cluster-bounces at redhat.com
> [mailto:linux-cluster-bounces at redhat.com] On Behalf Of
> isplist at logicore.net
> Sent: Thursday, November 16, 2006 3:59 PM
> To: linux-cluster
> Subject: [Linux-cluster] Cluster Crashes
>
> First of all, is there a way I can test to see if my Brocade
> switch is actually doing any fencing or not? I get the sense
> it's doing nothing.
Log in to the switch and check the status of the port connected to the
node in question. It should be down.
>
> I think this because my cluster is terribly unstable. If I
> reboot a node, that's fine, it works, the cluster stays up.
> However, if one of the nodes crashes in any manner, it takes
> down everything to the point of having to shut down every
> machine and starting it all one at a time.
>
> If a drive get's moved on my FC storage, the cluster crashes.
> If the storage is rebooted, the cluster crashes. If I change
> pretty much anything on the storage, the cluster crashes,
> it's nuts. The way it seems to start is that one node seems
> to have a kernel panic which sets off the rest.
You're kidding, right? Filesystems don't like having storage yanked
out from underneath them, clustered or not.
>
> I know this is limited information but I need somewhere to
> start. I can't even begin to think of using this in a
> production environment, no one would get any sleep watching
> over this to make sure it's all up :).
>
> Mike
>
>
>
>
> --
> Linux-cluster mailing list
> Linux-cluster at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-cluster
>
More information about the Linux-cluster
mailing list