Hello, Today I updated my ovirt engine v3.5 and all my hosts on one datacenter (centos 7.4 ones). and suddenly my vdsm and vdsm-network services stopped working.
btw: My other DC is centos 6 based (managed from the same ovirt engine), everything works just fine there. vdsm fails dependent on vdsm-network service, with lots of RPC error. I tried to configure vdsm-tool configure --force, deleted everything (vdsm-libvirt), reinstalled. Could not make it work. My logs are filled with the follogin Sep 18 23:06:01 node6 python[5340]: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (No Kerberos credentials available (default cache: KEYRING:persistent:0)) Sep 18 23:06:01 node6 vdsm-tool[5340]: libvirt: XML-RPC error : authentication failed: Failed to start SASL negotiation: -1 (SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (No Kerberos credent Sep 18 23:06:01 node6 libvirtd[4312]: 2017-09-18 20:06:01.954+0000: 4312: error : virNetSocketReadWire:1808 : End of file while reading data: Input/output error ------- journalctl -xe output for vdsm-network Sep 18 23:06:02 node6 vdsm-tool[5340]: libvirt: XML-RPC error : authentication failed: Failed to start SASL negotiation: -1 (SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (No Kerberos credent Sep 18 23:06:02 node6 vdsm-tool[5340]: Traceback (most recent call last): Sep 18 23:06:02 node6 vdsm-tool[5340]: File "/usr/bin/vdsm-tool", line 219, in main Sep 18 23:06:02 node6 libvirtd[4312]: 2017-09-18 20:06:02.558+0000: 4312: error : virNetSocketReadWire:1808 : End of file while reading data: Input/output error Sep 18 23:06:02 node6 vdsm-tool[5340]: return tool_command[cmd]["command"](*args) Sep 18 23:06:02 node6 vdsm-tool[5340]: File "/usr/lib/python2.7/site-packages/vdsm/tool/upgrade_300_networks.py", line 83, in upgrade_networks Sep 18 23:06:02 node6 vdsm-tool[5340]: networks = netinfo.networks() Sep 18 23:06:02 node6 vdsm-tool[5340]: File "/usr/lib/python2.7/site-packages/vdsm/netinfo.py", line 112, in networks Sep 18 23:06:02 node6 vdsm-tool[5340]: conn = libvirtconnection.get() Sep 18 23:06:02 node6 vdsm-tool[5340]: File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 159, in get Sep 18 23:06:02 node6 vdsm-tool[5340]: conn = _open_qemu_connection() Sep 18 23:06:02 node6 vdsm-tool[5340]: File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 95, in _open_qemu_connection Sep 18 23:06:02 node6 vdsm-tool[5340]: return utils.retry(libvirtOpen, timeout=10, sleep=0.2) Sep 18 23:06:02 node6 vdsm-tool[5340]: File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 1108, in retry Sep 18 23:06:02 node6 vdsm-tool[5340]: return func() Sep 18 23:06:02 node6 vdsm-tool[5340]: File "/usr/lib64/python2.7/site-packages/libvirt.py", line 105, in openAuth Sep 18 23:06:02 node6 vdsm-tool[5340]: if ret is None:raise libvirtError('virConnectOpenAuth() failed') Sep 18 23:06:02 node6 vdsm-tool[5340]: libvirtError: authentication failed: Failed to start SASL negotiation: -1 (SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (No Kerberos credentials availa Sep 18 23:06:02 node6 systemd[1]: vdsm-network.service: control process exited, code=exited status=1 Sep 18 23:06:02 node6 systemd[1]: Failed to start Virtual Desktop Server Manager network restoration. ----- libvirt is running but throws some errors. [root@node6 ~]# systemctl status libvirtd ● libvirtd.service - Virtualization daemon Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset: enabled) Drop-In: /etc/systemd/system/libvirtd.service.d └─unlimited-core.conf Active: active (running) since Mon 2017-09-18 23:15:47 +03; 19min ago Docs: man:libvirtd(8) http://libvirt.org Main PID: 6125 (libvirtd) CGroup: /system.slice/libvirtd.service └─6125 /usr/sbin/libvirtd --listen Sep 18 23:15:56 node6 libvirtd[6125]: 2017-09-18 20:15:56.195+0000: 6125: error : virNetSocketReadWire:1808 : End of file while reading data: Input/output error Sep 18 23:15:56 node6 libvirtd[6125]: 2017-09-18 20:15:56.396+0000: 6125: error : virNetSocketReadWire:1808 : End of file while reading data: Input/output error Sep 18 23:15:56 node6 libvirtd[6125]: 2017-09-18 20:15:56.597+0000: 6125: error : virNetSocketReadWire:1808 : End of file while reading data: Input/output error ---------------- [root@node6 ~]# virsh Welcome to virsh, the virtualization interactive terminal. Type: 'help' for help with commands 'quit' to quit virsh # list error: failed to connect to the hypervisor error: authentication failed: Failed to start SASL negotiation: -1 (SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (No Kerberos credentials available (default cache: KEYRING:persistent:0))) ================= I do not want to lose all my virtual servers, is there any way to recover them? Currenty everything is down. I am ok to install a new ovirt engine if somehow I can restore my virtual servers. I can also split centos 6 and centos 7 ovirt engine's.
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