[CentOS] kvm: vm root fs becomes ro

Andrew Holway andrew.holway at gmail.com
Tue Dec 3 00:12:03 UTC 2013


> <date> <host> kernel: kvm: <pid>: cpu0 disabled perfctr wrmsr: 0xc1 data
> 0xabcd
>
> In /var/log/libvirt/qemu/<vm-name>.log, I'll see
>
> block I/O error in device 'drive-virtio-disk0': Stale file handle (116)

Are you sure your network is sound. If you turn on debug logging on
the NFS do you see anything interesting at the time you get the Stale
file handle errors?



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