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Description of problem: I have 3 hosts running in the same cluster: dhcp-72-66-intel, SPM intel-e5620-16-6.englab.nay.redhat.com intel-e5620-16-5.englab.nay.redhat.com And dhcp-72-66-intel was in SPM status. I found all VMs running on intel-e5620-16-6.englab.nay.redhat.com have been in unknown status, from the Events tab, I see "Error: Network error during communication with the Host." So, I login to the host, ping got replied from remote host. Not sure why it complained this error. After a while, dhcp-72-66-intel and intel-e5620-16-6.englab.nay.redhat.com were set to up in "Hosts" tab, all seems right, except that: 1.SPM changed to intel-e5620-16-6.englab.nay.redhat.com 2.VMs running on intel-e5620-16-6.englab.nay.redhat.com were shutdown, I need to start them up. Version-Release number of selected component (if applicable): # uname -r;rpm -q qemu-kvm libvirt vdsm 2.6.32-220.el6.x86_64 qemu-kvm-0.12.1.2-2.236.el6.x86_64 libvirt-0.9.10-2.el6.x86_64 vdsm-4.9-112.7.el6_2.x86_64 How reproducible: 1/1 so far. Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Created attachment 574202 [details] the related log under /var/log/jbossas/rhevm-slimmed
what you describe fits to a temporary loss of network connectivity to the spm host. I do not see shred of a vdsm bug. Please reopen if this reproduces, but try to understand when it happens.