[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: KVM Live Snapshots


Asai,

Make sure that the *snapshotmemory* parameter is set to true (Check Memory
in GUI) in createVMSnapshot API for VM Snapshots in KVM after enabling
global configuration.

-Suresh

On Wed, Aug 22, 2018 at 10:10 PM Ivan Kudryavtsev <kudryavtsev_ia@xxxxxxxxx>
wrote:

> KVM whole VM snapshots work well in 4.11 as well as for separate volume
> snapshots. You can do both for NFS and local storages. Just enable proper
> global variable.
>
> ср, 22 авг. 2018 г., 23:23 Asai <asai@xxxxxxxxxxxxxxxxxxxxx>:
>
> > Thank you for your responses,
> >
> > What’s the difference, then, between a "VM" snapshot and a "VOLUME"
> > snapshot?  I liked how in XenServer, you could export a whole VM by first
> > taking a snapshot.  This was great for disaster recovery backup, is
> there a
> > way to do something similar in Cloudstack?
> >
> > Asai
> >
> >
> > > On Aug 22, 2018, at 8:51 AM, Simon Weller <sweller@xxxxxxx.INVALID>
> > wrote:
> > >
> > > Make sure you have kvm.snapshot.enabled set to true in Global Settings.
> > This setting change will probably require a management server restart.
> > >
> > >
> > > - Si
> > >
> > >
> > >
> > >
> > > ________________________________
> > > From: Asai <asai@xxxxxxxxxxxxxxxxxxxxx>
> > > Sent: Wednesday, August 22, 2018 10:44 AM
> > > To: users@xxxxxxxxxxxxxxxxxxxxx
> > > Subject: KVM Live Snapshots
> > >
> > > Greetings,
> > >
> > > We successfully upgraded to 4.11.1.  One of the main reasons we did
> this
> > was that we thought this would enable us to do live KVM snapshots of
> > running VMs.  This doesn’t seem to be the case, though.  When I try to
> > snapshot a running VM, I just get the message: "KVM VM does not allow to
> > take a disk-only snapshot when VM is in running state"
> > >
> > > Is there a way currently to do this with Cloudstack and KVM VMs?
> > >
> > > Asai
> > >
> > >
> >
> >
>