9:48 a.m.
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/917905d85abb1a24d8beea09f012b81ed594b3...
[2]
https://github.com/oVirt/vdsm/blob/917905d85abb1a24d8beea09f012b81ed594b3...
On Tue, Jun 27, 2017 at 6:50 PM, Gianluca Cecchi <gianluca.cecchi(a)gmail.com>
wrote:
On Tue, Jun 27, 2017 at 3:09 PM, InterNetX - Juergen Gotteswinter
<
jg(a)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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