Re: [ovirt-users] Snapshot or not?

Hi, https://pastebin.com/raw/cFrphHHh The problematic disk is <disk type='file' device='disk' snapshot='no'> <driver name='qemu' type='raw' cache='none' error_policy='stop' io='threads'/> <source file='/rhev/data-center/bcc17ec5-3ba3-4664-ba47-24fde9d92a2a/d2f65815-5f25-4740-ba56-76749a0f4571/images/d1db6e0e-87d0-4124-8326-b18bff3fdf90/5974fd33-af4c-4e3b-aadb-bece6054eb6b'> <seclabel model='selinux' relabel='no'/> </source> <target dev='vdc' bus='virtio'/> <serial>d1db6e0e-87d0-4124-8326-b18bff3fdf90</serial> <alias name='virtio-disk2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/> </disk>

What can I do? Thank you for your time! Tibor ----- 2017. nov.. 16., 22:40, Nir Soffer <nsoffer(a)redhat.com&gt; írta: On Thu, Nov 16, 2017 at 7:11 PM Demeter Tibor <tdemeter(a)itsmart.hu&gt; wrote: > Hi, > Sorry for my bad English:( > > Ovirt could not import my VM and disks from original storge-domain. It is > an NFS share on a server. > Then I create an another NFS share on same storage and attached to ovirt > as new storgae domain. > At this step I've created a new VM on new storage-domain with same disks. > (three think provisioned, 100GB, 60GB and 13TB disks). It was necessary, > because ovirt cant import my original disks and VM from the re-attached > storage domain. > Finally I renamed my old disks from old storage domain to new on new > storgae domain (it was possible because are there on same file system on > nfs server) > At this moment only two virtual disk working fine. The 100 and 60GB disks > does working fine, but the 13TB is not. It has a snapshot. Or not? Is it a > snapshot or not? > > My problem is inside VM I see the content as raw disk. I thing Ovirt > don't want to use it as a snapshotted image. Or what ? > Demeter, can you share the output of this command on a host running your vm? virsh -r dumpxml vm-name Nir > > Thank you. > > Tibor > > ----- 2017. nov.. 16., 15:57, Benny Zlotnik <bzlotnik(a)redhat.com&gt; írta: > > Hi Tibor, > Can you please explain this part: "After this I just wondered, I will > make a new VM with same disk and I will copy the images (really just > rename) from original to recreated." > What were the exact steps you took? > > Thanks > > On Thu, Nov 16, 2017 at 4:19 PM, Demeter Tibor <tdemeter(a)itsmart.hu&gt; > wrote: > >> Hi, >> >> Thank you for your reply. >> >> So. I have a disk with snapshot. Or - really - I just think that is a >> snapshot. It was attached originally to a VM (with other two disks, that is >> not have snapshot) I did a detach-attach-storage procedure, but after >> attach, - I don't know why - ovirt could not import the VM and disks from >> this (ovirt said it is not possible). After this I just wondered, I will >> make a new VM with same disk and I will copy the images (really just >> rename) from original to recreated. >> >> It was partial success because the VM can boot, but the disk, where >> there is a snapshot I can't read the LVM table. I see just it seems to >> corrupt. >> Now this disk in a very interested state: I can see the snapshot datas >> from the vm as raw disk. >> I think Ovirt don't know that is a snapshotted image and attach to VM as >> raw disk. >> >> So my really question, how can I add this disk image as good to ovirt? >> >> Please help me, it is very important me.:( >> >> Thanks in advance, >> >> Have a nice day, >> >> Tibor >> >> >> ----- 2017. nov.. 16., 11:55, Ala Hino <ahino(a)redhat.com&gt; írta: >> >> Hi Tibor, >> I am not sure I completely understand the scenario. >> >> You have a VM with two disks and then you create a snapshot including >> the two disks? >> Before creating the snapshot, did the VM recognize the two disks? >> >> On Mon, Nov 13, 2017 at 10:36 PM, Demeter Tibor <tdemeter(a)itsmart.hu&gt; >> wrote: >> >>> Dear Users, >>> >>> I have a disk of a vm, that is have a snapshot. It is very interesting, >>> because there are two other disk of that VM, but there are no snapshots of >>> them. >>> I found this while I've try to migrate a storage-domain between two >>> datacenter. >>> Because, I didn't import that vm from the storage domain, I did an >>> another similar VM with exactly same sized thin-provisioned disks. I have >>> renamed, copied to here my originals. >>> >>> The VM started successfully, but the disk that contain a snapshot did >>> not recognized by the os. I can see the whole disk as raw. (disk id, format >>> in ovirt, filenames of images, etc) . I think ovirt don't know that is a >>> snapshotted image and use as raw. Is it possible? >>> I don't see any snapshot in snapshots. Also I have try to list >>> snapshots with qemu-img info and qemu-img snapshot -l , but it does not see >>> any snapshots in the image. >>> >>> Really, I don't know how is possible this. >>> >>> [root@storage1 8d815282-6957-41c0-bb3e-6c8f4a23a64b]# qemu-img info >>> 5974fd33-af4c-4e3b-aadb-bece6054eb6b >>> image: 5974fd33-af4c-4e3b-aadb-bece6054eb6b >>> file format: qcow2 >>> virtual size: 13T (13958643712000 bytes) >>> disk size: 12T >>> cluster_size: 65536 >>> backing file: >>> ../8d815282-6957-41c0-bb3e-6c8f4a23a64b/723ad5aa-02f6-4067-ac75-0ce0a761627f >>> backing file format: raw >>> Format specific information: >>> compat: 0.10 >>> >>> [root@storage1 8d815282-6957-41c0-bb3e-6c8f4a23a64b]# qemu-img info >>> 723ad5aa-02f6-4067-ac75-0ce0a761627f >>> image: 723ad5aa-02f6-4067-ac75-0ce0a761627f >>> file format: raw >>> virtual size: 2.0T (2147483648000 bytes) >>> disk size: 244G >>> >>> [root@storage1 8d815282-6957-41c0-bb3e-6c8f4a23a64b]# ll >>> total 13096987560 <(309)%20698-7560> >>> -rw-rw----. 1 36 36 13149448896512 Nov 13 13:42 >>> 5974fd33-af4c-4e3b-aadb-bece6054eb6b >>> -rw-rw----. 1 36 36 1048576 Nov 13 19:34 >>> 5974fd33-af4c-4e3b-aadb-bece6054eb6b.lease >>> -rw-r--r--. 1 36 36 262 Nov 13 19:54 >>> 5974fd33-af4c-4e3b-aadb-bece6054eb6b.meta >>> -rw-rw----. 1 36 36 2147483648000 Jul 8 2016 >>> 723ad5aa-02f6-4067-ac75-0ce0a761627f >>> -rw-rw----. 1 36 36 1048576 Jul 7 2016 >>> 723ad5aa-02f6-4067-ac75-0ce0a761627f.lease >>> -rw-r--r--. 1 36 36 335 Nov 13 19:52 >>> 723ad5aa-02f6-4067-ac75-0ce0a761627f.meta >>> >>> qemu-img snapshot -l 5974fd33-af4c-4e3b-aadb-bece6054eb6b >>> >>> (nothing) >>> >>> Because it is a very big (13 TB) disk I can't migrate to an another >>> image, because I don't have enough free space. So I just would like to use >>> it in ovirt like in the past. >>> >>> I have a very old ovirt (3.5) >>> >>> How can I use this disk? >>> >>> Thanks in advance, >>> >>> Regards, >>> >>> Tibor >>> >>> >>> _______________________________________________ >>> 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 >> >> > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >