Hi, The qemu operation progress is parsed [1] and is printed on debug level in Vdsm log [2]. In the UI, a progress indication of the operation is available on the disks status for the "Move Disk" operation. Currently only for this operation. Regards, Fred [1] https://github.com/oVirt/vdsm/blob/917905d85abb1a24d8beea09f012b81ed594b349/... [2] https://github.com/oVirt/vdsm/blob/917905d85abb1a24d8beea09f012b81ed594b349/... On Tue, Jun 27, 2017 at 6:50 PM, Gianluca Cecchi <gianluca.cecchi@gmail.com> wrote:
On Tue, Jun 27, 2017 at 3:09 PM, InterNetX - Juergen Gotteswinter < jg@internetx.com> wrote:
> > Suppose I have one 500Gb thin provisioned disk > Why can I indirectly see that the actual size is 300Gb only in
Snapshots
> tab --> Disks of its VM ?
if you are using live storage migration, ovirt creates a qcow/lvm snapshot of the vm block device. but for whatever reason, it does
NOT
remove the snapshot after the migration has finished. you have to
remove
it yourself, otherwise disk usage will grow more and more.
I believe you are referring to the "Auto-generated" snapshot created during live storage migration. This behavior is reported in https://bugzilla.redhat.com/1317434 and fixed since 4.0.0.
yep, thats what i meant. i just wasnt aware of the fact that this isnt the case anymore for 4.x and above. sorry for confusion
I confirm that the snapshot of the VM, named "Auto-generated for Live Storage Migration" has been removed after the disk moving completion. Also, for a preallocated disk the "qemu-img convert" has format options raw/raw:
[root@ov300 ~]# ps -ef|grep qemu-img vdsm 18343 3585 1 12:07 ? 00:00:04 /usr/bin/qemu-img convert -p -t none -T none -f raw /rhev/data-center/mnt/blockSD/ 5ed04196-87f1-480e-9fee-9dd450a3b53b/images/303287ad- b7ee-40b4-b303-108a5b07c54d/fd408b9c-fdd5-4f72-a73c-332f47868b3c -O raw /rhev/data-center/mnt/blockSD/fa33df49-b09d-4f86-9719- ede649542c21/images/303287ad-b7ee-40b4-b303-108a5b07c54d/ fd408b9c-fdd5-4f72-a73c-332f47868b3c
for a thin provisioned disk instead it is of the form qcow2/qcow2 [root@ov300 ~]# ps -ef|grep qemu-img vdsm 28545 3585 3 12:49 ? 00:00:01 /usr/bin/qemu-img convert -p -t none -T none -f qcow2 /rhev/data-center/mnt/blockSD/ 5ed04196-87f1-480e-9fee-9dd450a3b53b/images/9302dca6- 285e-49f7-a64c-68c5c95bdf91/0f3f927d-bb42-479f-ba86-cbd7d4c0fb51 -O qcow2 -o compat=1.1 /rhev/data-center/mnt/blockSD/fa33df49-b09d-4f86-9719- ede649542c21/images/9302dca6-285e-49f7-a64c-68c5c95bdf91/ 0f3f927d-bb42-479f-ba86-cbd7d4c0fb51
BTW: the "-p" option should give
-p display progress bar (compare, convert and rebase commands only). If the -p option is not used for a command that supports it, the progress is reported when the process receives a "SIGUSR1" signal.
Is it of any meaning? I don't see any progress bar/information inside the gui? Is it perhaps in any other file on filesystem?
Thanks, Gianluca
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