[CentOS-virt] CentOS 5.9 Xen DomU NFS Data Transfer to Dom0 kills network.

Veli-Pekka Kestilä centos at vpk.nu
Tue Feb 26 16:01:02 UTC 2013


Greetings,

I have problem using Dom0 as NFS(v4)-server and DomU as client. When 
ever the client actually tries to copy data to nfs-server the virtual 
network (bridge) between the two hosts completely freezes and stops 
working. After this of course the client hangs waiting nfs-server to 
answer and server continues to try to contact nfslock daemon on the client.

Dom0 is still accessible from outside trough virbr0 which the client 
doesn't have access. The problems only come on data transfer as making 
directories and removing them and doind ls works fine before one tries 
to transfer data.

Anyone have suggestion what could fix this behavior.
Veli-Pekka


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