On Fri, Sep 3, 2021 at 4:45 PM Gianluca Cecchi <gianluca.cec...@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' > [ 157.8 ] Image transfer 'ccc386d3-9f9d-4727-832a-56d355d60a95' is ready > --- Logging error ---, 105.02 seconds, 147.48 MiB/s > > Traceback (most recent call last): > File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/io.py", > line 242, in _run > handler.copy(req) > File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/io.py", > line 286, in copy > self._src.write_to(self._dst, req.length, self._buf) > File > "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/http.py", > line 216, in write_to > writer.write(view[:n]) > File > "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/nbd.py", > line 118, in write > self._client.write(self._position, buf) > File > "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/nbd.py", line > 445, in write > self._recv_reply(cmd) > File > "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/nbd.py", line > 980, in _recv_reply > if self._recv_reply_chunk(cmd): > File > "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/nbd.py", line > 1031, in _recv_reply_chunk > self._handle_error_chunk(length, flags) > File > "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/nbd.py", line > 1144, in _handle_error_chunk > raise ReplyError(code, message) > 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. > > 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. 2. File a bug about this > > 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
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