Hello. I'm trying to implement following backup scenario for my VMs: storage domain is a volume on netapp appliance connected to oVirt cluster via NFS3. Netapp produces its zero copy snapshots of this volume. I want to be able to restore VMs from these snapshots, e.g. Netapp can export snapshot to ovirt as another NFS volume after that I want to be able to import VM or attach VM disks from snapshot volume to VM and start it. As far as I understand it is basic backup|migration scenario when user wants to move VMs from one ovirt DC to another ovirt DC. Right now I cannot import snapshot volume which contains exactly same domain metadata (in dom_dm/ directory) as original volume (which I cannot detach since it hosts disks for running VMs). I tried to rename dom_md/, but with no success in domain import process. Maybe someone in this list uses same scenario for VM backup and can give some advice.

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пн, 30 июл. 2018 г., 9:54 Daniel Erez <derez(a)redhat.com&gt;: > On Sun, Jul 29, 2018 at 11:45 AM Igor Zinovik <zinovik.igor(a)gmail.com&gt; > wrote: > >> Hello. >> >> I'm trying to implement following backup scenario for my VMs: >> storage domain is a volume on netapp appliance connected to oVirt cluster >> via NFS3. Netapp produces its zero copy snapshots of this volume. >> I want to be able to restore VMs from these snapshots, e.g. >> Netapp can export snapshot to ovirt as another NFS volume after that >> I want to be able to import VM or attach VM disks from snapshot volume >> to VM and start it. As far as I understand it is basic backup|migration >> scenario >> when user wants to move VMs from one ovirt DC to another ovirt DC. >> >> Right now I cannot import snapshot volume which contains exactly same >> domain >> metadata (in dom_dm/ directory) as original volume (which I cannot >> detach since >> it hosts disks for running VMs). I tried to rename dom_md/, but with no >> success in >> domain import process. >> >> Maybe someone in this list uses same scenario for VM backup and can give >> some advice. >> > > Hi Zinovik, > > Have you tried using the scan disks procedure[*] (which scans the domain > for unregistered floating disks)? > You can find it under 'Storage -> Domains -> Disks -> "Scan Disks" button > (in the Kebab Menu)'. > > [*] > https://www.ovirt.org/develop/release-management/features/storage/imports... > I cannot even attach snapshot volume. Disks scanning is available only for attached storage domains.

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