after some investigation we have foud that:

via virsh our VM have 71 checkpoint

on engine's db, in the table vm_checkpoints there are ZERO checkpoint.

Is ther a way to sync the checkpoints?!?

Regards,
Tommaso

Il 26/05/2021 10:27, Tommaso - Shellrent via Users ha scritto:

Hi to all. We have almost the same problem.

After a snapshot restore in a checkpoint taken previous last incremental backup, we have alwes the error "Parent checkpoint ID does not match the actual leaf checkpoint".
we have also the " parent_checkpoint_id: None"

there is a wey to fix it on a production env?

our engine version is 4.4.5.11 and vdsm 4.40.50

Il 19/07/2020 23:27, Nir Soffer ha scritto:

On Sun, Jul 19, 2020 at 5:38 PM Łukasz Kołaciński <l.kolacinski@storware.eu> wrote:

Hello,

Thanks to previous answers, I was able to make backups. Unfortunately, we had some infrastructure issues and after the host reboots new problems appeared. I am not able to do any backup using the commands that worked yesterday. I looked through the logs and there is something like this:

2020-07-17 15:06:30,644+02 ERROR [org.ovirt.engine.core.bll.StartVmBackupCommand] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-54) [944a1447-4ea5-4a1c-b971-0bc612b6e45e] Failed to execute VM backup operation 'StartVmBackup': {}: org.ovirt.engine.core.common.errors.EngineException: EngineException: org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericException: VDSErrorException: Failed to StartVmBackupVDS, error = Checkpoint Error: {'parent_checkpoint_id': None, 'leaf_checkpoint_id': 'cd078706-84c0-4370-a6ec-654ccd6a21aa', 'vm_id': '116aa6eb-31a1-43db-9b1e-ad6e32fb9260', 'reason': 'Parent checkpoint ID does not match the actual leaf checkpoint'}, code = 1610 (Failed with error unexpected and code 16)

It looks like engine sent:

    parent_checkpoint_id: None

This issue was fix in engine few weeks ago.

Which engine and vdsm versions are you testing?

 

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.VdsHandler.handleVdsResult(VdsHandler.java:114)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.VDSBrokerFrontendImpl.runVdsCommand(VDSBrokerFrontendImpl.java:33)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.CommandBase.runVdsCommand(CommandBase.java:2114)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.StartVmBackupCommand.performVmBackupOperation(StartVmBackupCommand.java:368)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.StartVmBackupCommand.runVmBackup(StartVmBackupCommand.java:225)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.StartVmBackupCommand.performNextOperation(StartVmBackupCommand.java:199)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback.childCommandsExecutionEnded(SerialChildCommandsExecutionCallback.java:32)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.ChildCommandsCallbackBase.doPolling(ChildCommandsCallbackBase.java:80)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller.invokeCallbackMethodsImpl(CommandCallbacksPoller.java:175)

at deployment.engine.ear.bll.jar//org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller.invokeCallbackMethods(CommandCallbacksPoller.java:109)

at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)

at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)

at org.glassfish.javax.enterprise.concurrent//org.glassfish.enterprise.concurrent.internal.ManagedScheduledThreadPoolExecutor$ManagedScheduledFutureTask.access$201(ManagedScheduledThreadPoolExecutor.java:383)

at org.glassfish.javax.enterprise.concurrent//org.glassfish.enterprise.concurrent.internal.ManagedScheduledThreadPoolExecutor$ManagedScheduledFutureTask.run(ManagedScheduledThreadPoolExecutor.java:534)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)

at java.base/java.lang.Thread.run(Thread.java:834)

at org.glassfish.javax.enterprise.concurrent//org.glassfish.enterprise.concurrent.ManagedThreadFactoryImpl$ManagedThread.run(ManagedThreadFactoryImpl.java:250)

And the last error is:

2020-07-17 15:13:45,835+02 ERROR [org.ovirt.engine.core.bll.StartVmBackupCommand] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-14) [f553c1f2-1c99-4118-9365-ba6b862da936] Failed to execute VM backup operation 'GetVmBackupInfo': {}: org.ovirt.engine.core.common.errors.EngineException: EngineException: org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericException: VDSErrorException: Failed to GetVmBackupInfoVDS, error = No such backup Error: {'vm_id': '116aa6eb-31a1-43db-9b1e-ad6e32fb9260', 'backup_id': 'bf1c26f7-c3e5-437c-bb5a-255b8c1b3b73', 'reason': 'VM backup not exists: Domain backup job id not found: no domain backup job present'}, code = 1601 (Failed with error unexpected and code 16)

This is likely a result of the first error. If starting backup failed the backup entity

is deleted.

 

(these errors are from full backup)

Like I said this is very strange because everything was working correctly.

Regards

Łukasz Kołaciński

Junior Java Developer

e-mail: l.kolacinski@storware.eu

 

ul. Leszno 8/44 01-192 Warszawa www.storware.eu

 

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