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Intermitten Failure

I have a 2012 RDS server we are trying to backup.  Everyone once in a while it fails to perform the backup.  It will give an error like this..

The next time the machine tries to backup will be successful.  Unfortunately, this error is driving the tech support guys in house nuts, they don't like errors.

Any thoughts on how to resolve this?

The transfer of the backup of '(Volume Labeled 'System Reserved'); C:\; E:\' on 'gs-app3' failed

Agent is offline

Replay.Core.Contracts.Agents.AgentIsOfflineException: Agent is offline ---> WCFClientBase.ClientServerErrorException: Call to service method https://gs-app3:8006/apprecovery/api/agent/metadata/summaryMetadata PUT failed: Failed to call Create File on disk '\\.\PhysicalDrive45' - The system cannot find the file specified ---> Replay.Common.Contracts.Win32Api.Win32ApiFailedException: Failed to call Create File on disk '\\.\PhysicalDrive45' - The system cannot find the file specified
   at Replay.Common.Implementation.Win32Api.Win32.ThrowLastError(String message, Object[] args)
   at Replay.Common.Implementation.Win32Api.Win32.GetDiskAttributes(String diskName)
   at Replay.Common.Implementation.Storage.DiskInfoBase.get_IsReadOnly()
   at Replay.Common.Implementation.Metadata.CommonMetadataService.GetDiskInformation(ICommonSummaryMetadata metaData, IStorageMetadata storageMetadata)
   at Replay.Common.Implementation.Metadata.CommonMetadataService.GetCommonSummaryMetadata(ICommonSummaryMetadata metadata, Boolean includeNonSnapableVolumes)
   at Replay.Agent.Implementation.Metadata.AgentMetadataService.GetCurrentSummary(MetadataCredentials metadataCredentials)
   --- End of inner exception stack trace ---
   at Replay.Common.Implementation.Utilities.SingletonTask`1.Execute(Func`1 function, CancellationToken cancellationToken)
   at Replay.Core.Implementation.Agents.AgentClient.GetCurrentSummaryMetadata(MetadataCredentials metadataCredentials, CancellationToken cancellationToken)
   at Replay.Core.Implementation.Agents.AgentsMetadataHelper.GetAgentSummaryMetadataInternalClient(AgentDescriptor agentDescriptor, IAgentClient agentClient, CancellationToken cancellationToken)
   at Replay.Core.Implementation.Agents.AgentsMetadataHelper.GetSummaryMetadata(AgentDescriptor agentDescriptor, IAgentClient agentClient, CancellationToken cancellationToken)
   at Replay.Core.Implementation.Agents.ProtectedAgent.<>c__DisplayClass40_0.<GetSummaryMetadata>b__0()
   at Replay.Core.Implementation.Agents.ProtectedAgent.AgentClientSend[TResult](Func`1 func)
   --- End of inner exception stack trace ---
   at Replay.Core.Implementation.Agents.ProtectedAgent.AgentClientSend[TResult](Func`1 func)
   at Replay.Core.Implementation.Agents.ProtectedAgent.GetSummaryMetadata(CancellationToken cancellationToken)
   at Replay.Core.Implementation.Transfer.Validation.Implementation.ProtectedAgentTransferValidator.Validate()
   at Replay.Core.Contracts.Validation.ValidatorBase.AggregateValidator.Validate()
   at Replay.Core.Implementation.Transfer.Queuing.Implementation.TransferQueueService.StartTransfer(TransferQueueEntry entry)
---

About this event: The transfer of a new recovery point from the protected machine has failed

Parents
  • Hi Mark, 

    What is your Core Version and Agent version?

    As Emte states, that physical disk looks a little suspicious.

    What happens if you try to create a schedule to just backup C: and E:, does the backup complete?

    If the Agent version is different from the Core, it might be recommended to Upgrade the Agent.

    Also, is this a physical or virtual machine? Agentless protection maybe a alternate solution if this is a VM.

    Please let me know if you have any questions.

Reply
  • Hi Mark, 

    What is your Core Version and Agent version?

    As Emte states, that physical disk looks a little suspicious.

    What happens if you try to create a schedule to just backup C: and E:, does the backup complete?

    If the Agent version is different from the Core, it might be recommended to Upgrade the Agent.

    Also, is this a physical or virtual machine? Agentless protection maybe a alternate solution if this is a VM.

    Please let me know if you have any questions.

Children
  • the core is 6.2.1.100, the agent is 6.1.3.100

    Should I upgrade the agent?

    This is a vm, but it's also a RDS, and I think part of the issue might be the users virtual disks being created for their profiles...

  • Upgrading the agent probably wont help you as I don't think it is a Rapid Recovery problem per say. The reason I say this is because RR calls Microsoft VSS and VSS appears to be the one failing when it tries to create the cache file. Find out what is creating the odd drive and you should be able to fix it. I assume the backups that work don't try to backup this disk.

    If the drive does not exist when you go look, maybe create a quick script that runs the get-disk powershell command and dump the output to an appended file (so you can see all the results not just the most recent) Run this script every X minutes from Windows Task Scheduler

    I don't have any experience with a RDS server but it looks like you can set RDS to create user profiles on remote servers. If this is presented as a local drive, then that may explain what is happening but I am not sure how to fix it.

    https://www.urtech.ca/2018/04/solved-how-to-setup-rds-user-profile-disks/

    So maybe the RDS server is not used very often, so backups typically work. But if anyone is logged into the RDS server and a remote profile is created, backups fail. Just a guess