How to run "virsh snapshot-create" for guest attaching vhostmd on SAP environment.
Issue
The custumer will build SAP environment on RHEL6 KVM, and installs the following packages from RHEL6 SAP channel.
- vhostmd
- vm-dump-metrics
The vhostmd service makes /dev/shm/vhostmd0 to communicate between KVM host and KVM guest by default.
To use the vhostmd service to attach this file to KVM guest.
The problem, when run "virsh snapshot" in the situation that KVM guest attaches a file to, even if the system disk of the guest is QCOW2 format, it is to fail in the snapshot.
Environment
- Red Hat Enterprise Linux 6
- libvirt
- kvm
- vhostmd
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