On Fri, Sep 3, 2021 at 9:35 PM Nir Soffer <nsoffer@redhat.com> wrote:
On Fri, Sep 3, 2021 at 4:45 PM Gianluca Cecchi <gianluca.cecchi@gmail.com> wrote:
Hello, I was trying incremental backup with the provided /usr/share/doc/python3-ovirt-engine-sdk4/examples/backup_vm.py and began using the "full" option. But I specified an incorrect dir and during backup I got error due to filesystem full
[ 156.7 ] Creating image transfer for disk '33b0f6fb-a855-465d-a628-5fce9b64496a'
[snip]
ovirt_imageio._internal.nbd.ReplyError: Writing to file failed: [Error 28]
No space left on device
This error is expected if you don't have space to write the data.
ok.
Now if I try the same backup command (so with "full" option) and I get
ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is "[Cannot backup VM. The VM is during a backup operation.]". HTTP response code is 409.
This looks like a bug in the backup script - the backup should be finalized even if the image transfer failed, but the error you get say the vm is still in backup mode.
How can I clean the situation?
1. Stop the current backup
If you still have the output from the command, we log the backup UUID.
If you lost the backup id, you can get it using the API - visit this address in your browser:
https://myengine/ovirt-engine/api/vms/{vm-id}/backups/
Then stop the current backup using:
/usr/share/doc/python3-ovirt-engine-sdk4/examples/backup_vm.py stop vm-id backup-id
If stopping the backup failed, stopping the VM will stop the backup. I hope you are running recent enough version, since in early versions there was a bug when you cannot stop the vm during a backup.
It is the latest 4.4.7. I run the backup_vm.py script from the engine: ovirt-engine-4.4.7.7-1.el8.noarch ovirt-engine-setup-plugin-imageio-4.4.7.7-1.el8.noarch ovirt-imageio-common-2.2.0-1.el8.x86_64 ovirt-imageio-client-2.2.0-1.el8.x86_64 ovirt-imageio-daemon-2.2.0-1.el8.x86_64 python3-ovirt-engine-sdk4-4.4.13-1.el8.x86_64 But if I try the stop command I get the error [g.cecchi@ovmgr1 ~]$ python3 /usr/share/doc/python3-ovirt-engine-sdk4/examples/backup_vm.py -c ovmgr1 stop dc386237-1e98-40c8-9d3d-45658163d1e2 68f83141-9d03-4cb0-84d4-e71fdd8753bb [ 0.0 ] Finalizing backup '68f83141-9d03-4cb0-84d4-e71fdd8753bb' Traceback (most recent call last): File "/usr/share/doc/python3-ovirt-engine-sdk4/examples/backup_vm.py", line 493, in <module> main() File "/usr/share/doc/python3-ovirt-engine-sdk4/examples/backup_vm.py", line 176, in main args.command(args) File "/usr/share/doc/python3-ovirt-engine-sdk4/examples/backup_vm.py", line 262, in cmd_stop stop_backup(connection, args.backup_uuid, args) File "/usr/share/doc/python3-ovirt-engine-sdk4/examples/backup_vm.py", line 345, in stop_backup backup_service.finalize() File "/usr/lib64/python3.6/site-packages/ovirtsdk4/services.py", line 33869, in finalize return self._internal_action(action, 'finalize', None, headers, query, wait) File "/usr/lib64/python3.6/site-packages/ovirtsdk4/service.py", line 299, in _internal_action return future.wait() if wait else future File "/usr/lib64/python3.6/site-packages/ovirtsdk4/service.py", line 55, in wait return self._code(response) File "/usr/lib64/python3.6/site-packages/ovirtsdk4/service.py", line 296, in callback self._check_fault(response) File "/usr/lib64/python3.6/site-packages/ovirtsdk4/service.py", line 132, in _check_fault self._raise_error(response, body) File "/usr/lib64/python3.6/site-packages/ovirtsdk4/service.py", line 118, in _raise_error raise error ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is "[Cannot stop VM backup. The VM backup is not in READY phase, backup phase is FINALIZING. Please try again when the backup is in READY phase.]". HTTP response code is 409. [g.cecchi@ovmgr1 ~]$
2. File a bug about this
Filed this one, hope its is correct; I chose ovirt-imageio as the product and Client as the component: https://bugzilla.redhat.com/show_bug.cgi?id=2001136 I put information also about the error received with the stop command
BTW: the parameter to put into ovirt.conf is backup-dir or backup_dir or what?
ovirt.conf do not include the backup dir, only details about engine. Adding backup-dir to ovirt.conf or to backup specific configuration sounds like a good idea.
Nir
I agree Gianluca