Hi, `*kvm.vmstoragesnapshot.enabled` *requires only qemu-guest-agent. It is used to freeze/thaw the virtual machine during snapshotting - VM snapshots without memory <https://docs.cloudstack.apache.org/en/latest/adminguide/virtual_machines.html#storage-based-vm-snapshots-on-kvm>
Best regards, Slavka On Wed, Oct 12, 2022 at 7:42 PM Granwille Strauss <granwi...@namhost.com.invalid> wrote: > Hi Nux > > That sounds great. For what it's worth, I did find the following setting > in global config: > > *kvm.vmstoragesnapshot.enabled*: For live snapshot of virtual machine > instance on KVM hypervisor without memory. Requieres qemu version 1.6+ (on > NFS or Local file system) and qemu-guest-agent installed on guest VM > > So it seems it does use qemu-ga to some sort. > On 10/12/22 18:09, Nux wrote: > > Hello, > > AFAIK Cloudstack does not leverage the qemu-ga functionality for anything > - yet. It doesn't hurt to have it though, it may be useful for your own > operations as it can do various things - such as connect to the socket from > the hypervisor side then check IP addesses, freeze filesystems etc. I would > bake qemu-ga in my templates tbh. > > Also, you never know, in the future Cloudstack might also leverage it for > various features. > --- > Nux > www.nux.ro > > > On 2022-10-12 17:04, Granwille Strauss wrote: > > Hi Nux > > Thank you. Is it worth installing qemu-guest-agent on our guest Linux VMs? > Would this provide any significant change? > On 10/12/22 17:44, Nux wrote: > > Hi, > > Make sure you have the virtio drivers installed. > > Linux has them by default, but Windows opted not to have support for it, > so you will have to do it for them. > > If you do not use virtio devices (ie paravirt) your IO will suffer. > --- > Nux > www.nux.ro > > > On 2022-10-12 15:13, Granwille Strauss wrote: > > Hi Guys > > I run KVM node via Cloudstack, and want to confirm if there are any > additional guest agents & drivers that I need to install to my guest VM? > For both Linux and Windows guests? > -- > Regards / Groete > > <https://www.namhost.com> Granwille Strauss // Senior Systems Admin > > *e:* granwi...@namhost.com > *m:* +264 81 323 1260 <+264813231260> > *w:* www.namhost.com > > <https://www.facebook.com/namhost> <https://twitter.com/namhost> > <https://www.instagram.com/namhostinternetservices/> > <https://www.linkedin.com/company/namhos> > <https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA> > > > <https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner> > > Namhost Internet Services (Pty) Ltd, > > 24 Black Eagle Rd, Hermanus, 7210, RSA > > > > The content of this message is confidential. 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