On Sat, Jun 9, 2018 at 4:25 PM Vinícius Ferrão <ferrao@if.ufrj.br> wrote:

Hello,

I’m planning to install Oracle 11g on a VM inside oVirt. I already knew about the licensing hell of running Oracle 11g on a virtualized environment.

The question is about snapshotting Oracle 11gb when the VM is running. Is this supported?

Supported by ovirt, not sure that by Oracle :-)

For example, on VMware and XenServer there’s the quiesce option to make the filesystem, with a little help from the guest agent, to be in an a good state for snapshots. But in oVirt, how this is handled? If supported, which operating systems are compatible with the feature?

In ovirt we use libvirt's virDomainFSFreeze[1] and virDomainFSThaw[2]

to freeze guest file systems during a snapshot.

On the guest side this uses qemu guest agent (which you must install),

to run application specific scripts when freezing or thawing the file

systems[3].

I guess oracle or someone an provide scripts to hook to qemu-guest-agent,

or you can write them yourself base on oracle documentation.

[1] https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainFSFreeze

[2] https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainFSThaw

[3] https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-using_the_qemu_guest_virtual_machine_agent_protocol_cli-libvirt_commands

Nir

Thanks,

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