Replication
Replication fails with an error: "Failed to create backup on device. Internal library error. Failed build snapshot sequence"
Challenge Replication fails with the following message in Acura's Events section or in the agent's logs: "Failed to create backup on device <...>: Internal library error. Failed to filter snapshots Failed to find end snapshot(<...>). Failed build ...
"vmimport" role does not have the required permissions
Challange A Cloud Site fails to launch with an error message that indicates a service role is lacking permissions similar to the screenshot below: Cause Even though the vmimport role is supposed to be created automatically according to the provided ...
"Module build for the currently running kernel was skipped" message in console during Replication agent's installation
Challenge During the installation of a Linux replication agent (hlragent) with DKMS, the following message can be displayed in the console: Module build for the currently running kernel was skipped since the kernel source for this kernel does not ...
Replication with VMware agent fails with the message: Backup creation failed with code 500
Challenge Replication with VMware agent fails with the following error message: "Backup creation failed with code 500, reason: Command '['umount', '/tmp/e9dc80e9-0a54-4991-9003-edeffd7e4920']' returned non-zero exit status 32" Cause In case of using ...
How to check that a failed replication is caused by VSS issues
Cause A failed replication on Windows may be caused by a range of preceding internal issues affecting the source machine. A properly functioning Volume Shadow Copy Service is one of the main prerequisites for a successful replication. Solution Access ...
How to replace Windows replication agent's config file in case a machine is shown offline in ACP
Challenge A machine is shown offline in ACP, although the source instance is running and has been replicated successfully before. Cause The replication agent's config file might have become corrupted during an unexpected termination of the repman ...
Replication fails with a message: Not enough free space in disk to create VSS snapshot
Challenge Replication of a machine fails with a similar error message in the Events section: Cause Although the machine might have enough free space in its disks as prescribed in our official Deployment requirements, the actual disk settings can ...
How to check that a low replication speed is caused by the source machine
Challenge The Acura Control Panel shows that one of the machines is being replicated with an undesirably low speed. Cause There are several factors that may interfere with a replication and cause a "bottleneck" issue for its speed. But before ...
What are the options for a VMware replication agent in case of a quiesce failure
Challenge Failure to quiesce the system for a snapshot occurs during a VMware replication process. ESXi logs shows quiesce operation failure: Solution There are several replication strategies that you can follow when backing up a WMware machine and ...
Repman process exits unexpectedly indicating a status code in logs
Challenge Repman process, as a part of the internal agent service, fails and exits with a certain status code. Cause After installing an internal agent on your VM, there should be 2 new services running in the background: repman and hlragent/hwragent ...
Machine has "Blocked" state in the control panel
Challenge A machine has "Blocked" status in the Machines Groups section of the ACP. Cause A machine becomes "Blocked", if it's used to start a CloudSite. This is primarily true for VMware target clouds. The "Blocked" state will remain as long as the ...
Why a machine doesn't replicate with HVRAgent, returning a "FileNotFoundError" message
Challenge A machine doesn't replicate with HVRAgent, returning an error: ERROR: Traceback (most recent call last): File "/src/cabrio/processes/base.py", line 28, in run_object_guard guard.start(queue_info) File ...
Replication of a Windows machine doesn't start due to COMException
Challenge Cannot start backup, error message: COMException: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA). Cause This a Windows issue related to the Microsoft Volume Snapshot Service (VSS). Solution Perform the following steps: ...
Initial replication fails with a message similar to: Failed to attach cloud volume ad887e79-9857-424c-bce9-17f3b42d4cef: 'NoneType' object has no attribute 'id'
Challenge Initial replication fails with a message similar to: Failed to attach cloud volume ad887e79-9857-424c-bce9-17f3b42d4cef: 'NoneType' object has no attribute 'id' Cause Different networks are specified for the cluster and for the agent, and ...
Replication agent is installed, but the machine doesn't appear in ACP
Challenge After a new installation of the replication agent, the machine cannot be protected, however, it was protected in another cloud before that. Cause If a new agent is installed on the machine that has been protected before, configuration files ...
Replication freezes although the agent is still sending heartbeats to Acura
Challenge Replication is stuck with a "Replicating" status in Acura Control Panel, although the agent's "Last seen" status is up-to-date and heartbeats are being sent. Cause A possible reason for such behavior might be that Acura and Hystax ...
Why Windows replication fails with Hystax VMware Replication Agent - quiesce failure
Challenge Replication fails when a Windows machine is being replicated with Hystax VMware Replication Agent with the following error message: "Backup creation failed with code 500, reason: An error occurred while quiescing the virtual machine. See ...