Apps DBA Workshop

 Exadata KVM virtual machines not starting   We have a customer where all KVM machines were not starting.  The machines is encountering the following error during startup:   [root@dbnode1 ~]# virsh start dbnode1 error: Failed to start domain dbnode1 error: internal error: process exited while connecting to monitor: 2024-04-27Tqemu-system-x86_64: -blockdev {"driver":"file","filename":"/EXAVMIMAGES/GuestImages/hostname.com/System.img","node-name":"libvirt-9-storage","cache":{"direct":false,"no-flush":false},"auto-read-only":true,"discard":"unmap"}: Could not open '/EXAVMIMAGES/GuestImages/hostname.com/System.img': Permission denied   Cause: Due to the installation of some third-party security components libvirtd package and its libraries were not functioning properly.   Solution: Rsinstall the libvirtd package Update file:  /etc/libvirt/q...

 The following Error was encountered when we tried starting up the database manually:   SQL> startup ORACLE instance started.   Total System Global Area 4.8694E+11 bytes Fixed Size                 37521640 bytes Variable Size            5.5298E+10 bytes Database Buffers         4.3111E+11 bytes Redo Buffers              499347456 bytes Database mounted. Database opened.         " was non-numeric Usage: { EXIT | QUIT }e [ SUCCESS | FAILURE | WARNING | n |        <variable> | :<bindvariable> ]  [ COMMIT | ROLLBACK ] Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.18.0.0...