Hello, I have a VM VM1 that I would like to clone. It has 3 disks: 2 of them on storage domain SDA, 1 of them (size 80Gb) on a second storage domain SDB
I want the new VM to have all the 3 disks on SDA, because SDB has not enough space to accomodate the cloned disk I power off VM1, select it and then "Clone VM". It seems I have no options at all and that I can only specify the name of the new VM, while oVirt would copy the VM with exactlly the same disks and so I receive error Error while executing action: VM2: - Cannot add VM. Low disk space on Storage Domain SDB. Is this expected? In case it seems not very flexible. So I create a snapshot of VM1 and then "Clone". Inside the "Resource Allocation" section, the drop-down for the 3 disks seems not enabled, in the sense that for every disk it contains only the name of the origin SD, so for 2 disks it contains SDA and no other SD to be chosen, for 1 disk it contains SDB and no other SD to be chosen. See here: https://drive.google.com/file/d/0BwoPbcrMv8mvdFd0RFMzRXhmRzQ/view?usp=sharing Can anyone replicate this in 4.1.5 to see if it is a problem of mine? So as a last resource I decide to copy disk by disk. Apparently my VM1 disk in SDB is preallocated: at least this is what I see if I select VM1, Snapshots, select the "Current" line (it is the only oe as therer are no snapshots), "DIsks" in right subpane See here for screenshot: https://drive.google.com/file/d/0BwoPbcrMv8mvclV5bDdsdE9Ubmc/view?usp=sharing Any more comfortable and correct way from web admin gui to see disk type? When I copy the disk it seems it tries to create a thin provisioned disk and it takes about 4 hours to copy 80Gb of disks from SSD to SAS SD with very few I/O activity on hypervisor in the mean time (I have only one node in this test) when I would expect around 40minutes with a throughput of at elast 40MB/s with a sort of dd as the cemu-img command should be... instead the command I see from command line is kind of /usr/bin/qemu-img convert -p -t none -T none -f qcow2 /rhev/data-center/59b7af54-0155-01c2-0248-000000000195/70411599-c19f-4a6a-80b5-abdeffc1616e/images/3d357b96-57e1-47bd-be65-558252a591d3/77ba5e2b-dfbe-4801-b5ec-dc9ffae2c481 -O qcow2 -o compat=1.1 /rhev/data-center/mnt/blockSD/fad05d79-254d-4f40-8201-360757128ede/images/73292653-f5d9-49ae-8132-f17d288bf822/deb4b841-95cd-4523-9523-f2ffdbb9b4a9 Also, if get this VM and create a snapshot of it I see this: - starting point all the 3 disks seem preallocated (same method as above) - after creating a snapshot, if I select the "Current" line the 3 disks are all thin-provision, if I select the line of the taken snapshot instead the disks are all preallocated. Any comments or suggestions about the points above? Thanks, Gianluca
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