As a further explanation to my previous comment you can read Ldom Admin 
guide which explains how you can use zfs to create snapshots and cloning.

Thanks
Vijay

Rohit wrote:
> Hi All,
>
> I am new to LDom concept. I have some questions about snapshots using LDom.
>
> 1: IIUIC, Each Ldom can be treated as virtual machine(vmware.. not
> exactly same but quite similar) with its
> own guest os etc. Does it also support features like snapshot ? Can
> snapshot be taken when machine is running ?  Or do we have to
> shut it down or at least suspend and then take the snapshot ?
>
> 2: Also  from what i have read so far about LDom, we can use
> file,normal hard disk, LUN exported from filer as 'disk' in LDom. So
> What kind of snapshot possibilities we have got here ? Can we snap the
> entire LDom (including ldom configuration, guest OS data,
> memory state) in each of these cases ? Here is what i think but i am not sure.
>
> When disk is file based , it is possible.
> When its normal disk and have some file system like ZFS or volume
> manager which supports snapshot , it's possible.Otherwise its not
> When its LUN from filer , if filer has snapshot capabilities , it is
> supported. otherwise not.
>
> Also my question would be, does LDom admin tool takes care of these
> snapshot work in the back end? Or it is the user's responsibility
> to manage all these different snapshots.
>
> 3: What is the preferred way  to take LDom snapshots in community ?
>
> 4:Does Ldom have suspend and resume support at machine level ?
>
> 5: Is there any way for third party application to access these
> snapshots and memory state ? Is there any too/library which provides
> interface for accessing such snapshots and other machine state (e.g
> memory in case of hibernation). Any links ?
>
> Thanks,
> Rohit
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