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Posted to users@cloudstack.apache.org by WXR <14...@qq.com> on 2013/07/26 05:28:25 UTC

How to do time synchronization in vm instances

I use kvm as the hypervisor in my cloudstack.

I find that the time in the vm instance is different from its host node server.

I want to know how to synchronize the time of vm instances,does cloudstack offer some tools like esxi,xenserver,hyper-v to do time synchronization?

Re: How to do time synchronization in vm instances

Posted by Ahmad Emneina <ae...@gmail.com>.

I agree this is a hypervisor tool (in the guest OS) capability, or time
sync being part of the guest OS, both of those baked into the template.


On Fri, Jul 26, 2013 at 1:44 AM, David Comerford <da...@gmail.com>wrote:

> No, that's not CS's job.
> Hyper tools tools usually have host time sync options but I just use NTP
> for simplicity.
>
> Regards,
> Dave
> On Jul 26, 2013 4:28 AM, "WXR" <14...@qq.com> wrote:
>
> > I use kvm as the hypervisor in my cloudstack.
> >
> > I find that the time in the vm instance is different from its host node
> > server.
> >
> > I want to know how to synchronize the time of vm instances,does
> cloudstack
> > offer some tools like esxi,xenserver,hyper-v to do time synchronization?
>

Re: How to do time synchronization in vm instances

Posted by David Comerford <da...@gmail.com>.

No, that's not CS's job.
Hyper tools tools usually have host time sync options but I just use NTP
for simplicity.

Regards,
Dave
On Jul 26, 2013 4:28 AM, "WXR" <14...@qq.com> wrote:

> I use kvm as the hypervisor in my cloudstack.
>
> I find that the time in the vm instance is different from its host node
> server.
>
> I want to know how to synchronize the time of vm instances,does cloudstack
> offer some tools like esxi,xenserver,hyper-v to do time synchronization?