Oracle Linux Virtualization Manager (OLVM) (MOSC)

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Virtual machines vnc consoles become unaccessible in OLVM

in Oracle Linux Virtualization Manager (OLVM) (MOSC) 8 commentsAnswered

Hello,

we have encountered a strange behaviour in olvm 4.4.10.

2 distinct fresh OLVM installations (~9 month old) all VM-s VNC consoles become unavailable without any modifications (something went wrong…). We used them ~2-3 months before.
Errors in KVM hosts messages file (4 line/console attempt)
saslpasswd2[1302756]: error deleting entry from sasldb: BDB0073 DB_NOTFOUND: No matching key/data pair found

checking all available solutions, checked everything: vnc set to nonencryption systemwide, certificates correct, valid, firewalls open, selinux permissive, daemons running. engine, websocket proxy restarted, vnc port 590x on kvm hosts can be telnet from engine, restarted one vm, no success.

Getting vnc ip, port, password from VirtualViewer VV file, local port tunneling tightvnc throught ssh to kvm hosts, VM consoles are available as workaround.

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