[Users] iSCSI and snapshots

[Daniel Erez]

Hi Juan,

Which version of oVirt are you using? (it looks like an issue of older builds)
Can you please attach engine.log file?

Thanks,
Daniel


----- Original Message -----
> From: "Juan Pablo Lorier" <jplorier at gmail.com>
> To: "Maor Lipchuk" <mlipchuk at redhat.com>
> Cc: "users" <users at ovirt.org>
> Sent: Wednesday, June 5, 2013 1:53:49 PM
> Subject: Re: [Users] iSCSI and snapshots
> 
> Hi Maor,
> 
> When I run the snapshot I get : "Snapshot antes de produccion creation for VM
> NuevoVFTP was initiated by admin at internal."
> and that's all I get.
> Can you point me the log I must look for?
> Here is a screenshot of the snapshot
> Regards
> 
> 
> 
> On 04/06/13 05:07, Maor Lipchuk wrote:
> 
> 
> 
> Hi Juan,
> When creating a snapshot, a new volume is should be created in the storage.
> The snapshot should contain the VM configuration and the VM disks (not
> including shareable disks and direct lun disks).
> 
> Which Ovirt version are you using?
> What the audit log indicated? Was the operation succeeded?
> Can u please add a print screen of your VM and snapshot?
> 
> Regards,
> Maor
> 
> 
> On 06/03/2013 10:07 PM, Juan Pablo Lorier wrote:
> 
> 
> 
> Hi Maor,
> 
> The thing is that I trigger the snapshot creation and everything seems
> to be ok, but I can't see any new volume of any kind. As the VM runs
> from an iscsi lun, it can not use LVM snapshots as there's no spare
> space to create any new LMV volume, neither I see any new volume in the
> data storage domain (another iscsi lun) so I can't tell for sure that
> the snapshot was really created.
> Where are the volumes saved if the VM has no spare disks or space?
> Regards,
> 
> On 06/02/2013 03:07 PM, Itamar Heim wrote:
> 
> 
> 
> On 06/02/2013 02:27 PM, Maor Lipchuk wrote:
> 
> 
> 
> Hi Juan,
> Snapshot saves the VM at a particular state in time using qcow (Creates
> a new volume and only write the changes from that particular time).
> Export domain also saves the VM data but it using copy process of the
> volumes, there for, snapshot is more faster process but dependent on the
> VM disks.
> 
> In a nutshell the difference between the both are, that snapshot is more
> related to the VM scope and can be executed while the VM is running
> (From Ovirt 3.1)
> Export domain is a different domain, there for, can be moved through
> setups and DC's.
> 
> The info of disks and ram should be displayed in the right pannel for
> the VM snapshots, although, for now, marking the active snapshot will
> not present this info.
> Was that the case you encountered?
> 
> Regards,
> Maor
> 
> On 05/31/2013 07:55 PM, Juan Pablo Lorier wrote:
> 
> 
> 
> Hi,
> 
> I'm trying to understand how ovirt manages snapshots to start using them
> for vm backups. I have my vms to use a iscsi LUN for the system (each
> has its own) and I have no extra space to create an LVM snapshot in the
> VM disk.
> When I hit "create" in the vm snapshot tab, it creates the snapshot and
> reports ok, but I see no info in the right pannel (disk, ram,etc) and
> nothing is created in the data storage of the DC, so I don't get where
> is ovirt storing the snapshot data.
> Do I have to create an export storage domain?.
> Regards,
> 
> Juan Pablo
> _______________________________________________
> Users mailing list Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
> _______________________________________________
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> also worth mentioning this feature in the works:
> http://www.ovirt.org/Features/Backup-Restore_API_Integration
> 
> 
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