Re: [Users] How can I create a snapshot for virtual disks only?

On 06/28/2012 04:51 AM, Itamar Heim wrote: > On 06/27/2012 09:38 PM, Shu Ming wrote: >> On 2012-6-28 9:20, Itamar Heim wrote: >>> On 06/27/2012 08:57 PM, Shu Ming wrote: >>>> On 2012-6-27 23:30, Michal Skrivanek wrote: >>>>> That would make sense only when you are powered off, wouldn't it? >>>>> Otherwise what's the point of disk snapshot with open transactions, >>>>> buffers in mem, etc, without saving the state of the VM too? >>>> >>>> I understand syncing virtual disk state with the OS cache is a quite >>>> challenge to a snapshot tool developers. However, it is a handy >>>> feature >>>> for the users just want to back up their data in the disks without >>>> stopping VM. As other virtualization solution support this feature, we >>>> should narrow the gap to attract more users to oVirt. >>>> >>> >>> actually, live snapshot today is only supported for disks, without the >>> RAM. >> I can not find the button to create a snapshot for disk only in engine >> 3.1 beta release. Are you talking about a undergoing project? The is no option to save a single disk in webadmin. > > live snapshot is for disks only, not for RAM. > so the live snapshot button only snapshots the disks already.

> >>> >>>>> >>>>> Thanks, >>>>> michal >>>>> >>>>> On 27 Jun 2012, at 17:26, Shu Ming <shuming(a)linux.vnet.ibm.com&gt; >>>>> wrote: >>>>> >>>>>> On 2012-6-27 23:19, Dafna Ron wrote: >>>>>>> Hi, >>>>>>> >>>>>>> no. the snapshot is for the entire vm and it's disks. >>>>>>> >>>>>>> >>>>>>> On 06/27/2012 05:31 PM, Shu Ming wrote: >>>>>>>> Hi, >>>>>>>> >>>>>>>> I am testing oVirt engine 3.1 beta release 06-07. I tried >>>>>>>> "snapshots-->create" button for a VM and it looked like that the >>>>>>>> snapshot to be created was for both the running state of the >>>>>>>> system >>>>>>>> and the virtual disks. I am wondering if there is any way to >>>>>>>> create >>>>>>>> the snapshot only for the virtual disks of the VM in engine? >>>>>>>> >>>>>> Do we have future plan to make snapshot for it's disks? >>>>>> >>>>>> -- >>>>>> Shu Ming <shuming(a)linux.vnet.ibm.com&gt; >>>>>> IBM China Systems and Technology Laboratory >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Users mailing list >>>>>> Users(a)ovirt.org >>>>>> http://lists.ovirt.org/mailman/listinfo/users >>>> >>>> >>> >> >> > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users