[Xen-users] Xen 3.0.0 - NFS Problems?

[Linn Boyd <lboyd@xxxxxxxxxxxxxxxxxxxx>]

I know that NFS was a problem with the older kernels, but we are 
currently seeing a problem when a system is placed under a high file 
transfer load that it crashes not only the domU but the dom0 as well. I 
am using NFS on a central server that handles transfers fine and when 
you give the dom0 a high diskload or nfs load it is fine, but i a domU 
gets one it will die. We aren't using a direct xen nfs mount, but the 
file backed method. Also it gives 0 error logs 0 debug logs, just a 
total freeze, processor load goes to 99.0% then to .2% in xm top but the 
system is hung. Does anyone have any idea of where to look or any 
suggestions as to how to solve this? We like the file method for 
storage, because all of our scripts are setup for this. Also rebuilding 
a 1.5TB NFS array just doesn't sound pleasant right now.
Thanks,

Linn

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