[PVE-User] KVM tun device dying when reciving/writing large streams of data

Lindsay Mathieson lindsay.mathieson at gmail.com
Thu Oct 22 14:37:26 CEST 2015

Also, and more seriously, its seems to bolix the cluster - all nodes start
showing with red dots and the VM lists doesn't show any names. So far the
only fix I have is to reboot every node.

Oddly it only seems that pve services are effected. ceph etc keeps working,
I can still ssh onto each node.

On 22 October 2015 at 21:56, Lindsay Mathieson <lindsay.mathieson at gmail.com>

> Proxmox 3.4 cluster with 3.10
> I'm currently trying to test gluster 3.7.5 using 3 debian 8.2 VM's. The
> VM's are setup with 3.10.0-13-pve kernel
> - kernel 4.2
> - Gluster 3.7.5
> - A replica 3 sharded datastore
> - 1 virtual nic per virtual gluster node
> The gluster datastore is exposed via gluster NFS to prxomox storage so I
> can test running VM's off it.
> But whenever I try to move a VM disk to the gluster storage (via the NFS
> share) the nic on the VM just stops responding and its IP drops off the
> network. Sometime its only happens after 23GB, once got as far as 30GB.
>  However the VM is still there and I can use the novnc console to access
> it and logon. Its still thinks its nic is working but it can't ping
> anything.
> I've tried with VIRTIO and e1000.
> Any suggets as to what to look at next?
> --
> Lindsay

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