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Stop DPM requesting Hyper-V uses snapshots

May 10, 2018, 6:50 am
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I am receiving the following error during the DPM Hyper-V backup window.

"An attempt was made to issue a command to a password protected storage system and the correct password is not known."

From what I can see DPM is trying to backup Hyper-V at the time this occurs so I am assuming that DPM instructs Hyper-V to take a storage snapshot. However the storage we are using does not have this functionality to support the snapshot. I would like to disable this snapshot feature but I am unsure if this is a setting within DPM or something within Hyper-V that needs to be configured.

Can anyone offer any advice please? It's a simple 2 node setup with shared direct attached storage to a Dell MDS4300 storage array. The snapshot feature on the storage is a premium feature my client has not purchased the license for.

Thanks

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Cant restore files from clustered VMs

April 4, 2018, 2:53 am
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Hello!

I have two-node Hyperv cluster with JBOD. HA VMs are stored on CSV build on Storage Spaces.

Nodes and VMs are running 2016 Win Server.

When I try to restore items from VMs - got an error ID 38

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Hyper-V 2012R2 on Storage Spaces CSV, Ways to protect against "snapshot stun" during backups?

May 23, 2018, 11:59 am
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Upgraded to DPM 2016 this weekend.

I have a client who uses DPM VM and guest level iSCSI connections to 3 QNAP 4 bay NAS units.

Direct backups via the DPM agent into each VM work amazingly well.

Host level DPM backups of entire VM guests as vhdxs has been problematic.

Primary concern: snapshot stun during VHDX backups

Secondary concerns:

Location of checkpoint file same disk as currently running VM

I don't have Pagefiles on separate vhdxs

Is there a more ideal dpm storage layout "best practice" I should consider?

Should I do away with qnaps and install the disks in a real server as local storage?

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DPM 2016 The replica of Microsoft Hyper-V RCT\********** on ************* is inconsistent with the protected data source.

May 31, 2018, 10:15 pm
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Hello.

We have next - 

DPM Server -

         Windows Server 2012 R2

         Data Protection Manager 2016 UR5

         SQL Server 2012

Hyper-V Server - 

         Windows Server 2016

VM - 

          Windows Server 2012 R2

and we have next problem - 

The replica of Microsoft Hyper-V RCT\********** on ************* is inconsistent with the protected data source. All protection activities for data source will fail until the replica is synchronized with consistency check. You can recover data from existing recovery points, but new recovery points cannot be created until the replica is consistent. 

For SharePoint farm, recovery points will continue getting created with the databases that are consistent. To backup inconsistent databases, run a consistency check on the farm. (ID 3106)

An unexpected error occurred while the job was running. (ID 104 Details: Unknown error (0x80041001) (0x80041001))

I tried next solution - 

                https://social.technet.microsoft.com/Forums/en-US/91f3e4aa-0e0f-4f43-b4ad-80b8ea324dc7/an-unexpected-error-occurred-while-the-job-was-running-id-104-details-unknown-error-0x80110802?forum=dpmfilebackup 

                https://dmitryivakin.info/microsoft-system-center/dpm/dpm-errors/

                https://support.microsoft.com/en-us/help/2848751/vm-backups-in-data-protection-manager-fail-with-change-tracking-inform

but it didn't help.

Please, help us. 

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DPM Showing backed up VMs on replica server instead of cluster

June 26, 2018, 3:54 pm
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Hello TechNet,

I have a DPM server running DPM version 5.0.342.0, synced with Virtual Machine Manager 4.0.1662.0

I have a 6 node Server 2016 s2d Hyper-V cluster and 2 stand-alone Hyper-V Hosts acting as replica servers, all managed by VMM.

All Cluster hosts and stand-alone hosts are in the same protection group.

Currently DPM is showing a number of VMs as being backed up from the replica server, when in fact they are hosted on the cluster.  I didn't see this as a bug to be fixed in the latest UR. 

Could someone tell me if this is expected behavior, or if I need to do something to the PG to force DPM/VMM to display the correct host?

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Replica is inconsistent

June 29, 2018, 6:51 am
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Hi All,

I am getting alert "replica is inconsistent"in DPM.

DPM:SCDPM 2016 version

OS version:Windows Server 2016 datacenter.

Can somebody help in this regards??

Thanks

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Is it possible to backup a VM on multiple Disk ?

July 31, 2018, 10:42 am
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Hello,

I'm using DPM 1807, and I wanted to know if it's possible to backup a Hyper-V VM on multiple disk ? I tried to create another Protection Group, but I am not able to select a VM that is already in another protection group to create a secondary backup task on another drive.

Best regards

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Item Level Recovery of Hyper-V machine in DPM Server using Powershell

January 3, 2017, 7:05 am
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Hi All,

I am trying to restore a file present in a machine inside my Hyper-V, Manually through DPM Server GUI I can perform Item Level recovery very easily but through PowerShell I am not able to perform the same. Instead it is recovering the .vdx files which i don't want. I only need a specific Folder inside the Hyper V machine to be recovered.

My Code is  :

$DPMServer = "DPMServer1" ## Enter the DPM Server Name

$Agent_Hostname = "Agent" ## Enter the AGENT Server Hostname 

$Protection_GroupName = "Hyper-V" ## Enter the Protection Group Name

$Protection_ObjectName = "Test-DPMBackup" ## Enter the Protection object Name, Files are present inside it that needs to be recovered. If I double click on it will show NEW VOLUME then D:\Inetpub or something, I need to recover this Inetpub folder only 

# Task 1 : Selecting the Specific Protection Group

$PGroup = Get-DPMProtectionGroup -DPMServerName $DPMServer
$PGroup = $PGroup | ?{$_.Name -eq $Protection_GroupName }

# Task 2 : Selecting the Specific Protection Object

$PObjects = Get-DPMDatasource -ProtectionGroup $PGroup
$PObjects = $PObjects | ?{$_.Name -eq $Protection_ObjectName}

$RPoint = Get-DPMRecoveryPoint -Datasource $PObjects | Sort -Property RepresentedPointInTime -Descending | Select-Object -First 1
$ROption = New-DPMRecoveryOption -HyperVDataSource -TargetServer $DPMServer -RecoveryLocation CopyToFolder -TargetLocation "C:\BackupTemp\" -RecoveryType restore

Restore-DPMRecoverableItem -RecoverableItem $RPoint -RecoveryOption $ROption


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Removing a protection group after storage failure

August 14, 2018, 7:17 am
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Hello Dear all,

We experienced a storage failure of our DPM 2016 server - lost the Disk for a configured protection group data is down the drain.  A replacement drive came in and i have configured it as available storage. I am attempting to rebuild the protection groups - aka restart backups but i have to stop the old ones first/ The protection group is saying volume missing. When i Attempt to stop it i get 

Removing C:\ failed:
Error 40005: The specified storage is unusable as it is a system volume, has existing data, is in an unhealthy state or formatted incorrectly.
Recommended action: Ensure that the storage is healthy and mounted and then retry the operation."

I attempted stooping the group without deleting the data and again no go.

How do we force stop and remove the protection group ?

Thanks in advance.


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DPM 2012 R2 is leaving avhd files on Hyper-V host after backup

August 28, 2018, 3:57 am
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Hi

I am running DPM 2012R2 (version 4.2.1603.0) on a Windows 2012R2 server and it is backing up two VMs on a Hyper-V 2012R2 host which has Hyper-V replication enabled and set to replicate every 300 seconds for one of the VMs.

I have noticed that the drive containing the VM has filled up with .avhd files which are generated each time a DPM backup is run.  I can see checkpoints in the Hyper-V manager, but other users (administrators) cannot.  I am also unable to access the settings for them and get an unhandled exception error and also another error message stating: "Hyper-V encountered an error trying to access an object on computer '<serverName>' because an object was not found.  The object might have been deleted.  Verify that the Virtual Machine Management service on the computer is running."

It seems that the checkpoints I can see are corrupted or non-existent as far as Hyper-V manager is concerned, and I am reluctant to start trying to merge them manually at this stage as the server is a production machine and in constant use and also has .avhd files set as the hard drive in Hyper-V settings.

Does anyone know, firstly, what could be preventing these files from being cleared up by DPM/Hyper-V after a backup and how I could therefore prevent this from happening again in future, and secondly, how to remove/merge the existing files toresolve my current problem?

Any advice would be greatly appreciated,

Regards

Chris


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Host-level backup taking too long

September 3, 2018, 4:36 am
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Hi. DPM 2016 protecting couple standalone Hyper-V Server 2016 servers. There's one particular VM, which is relatively large (1900GB of provisioned space, of which over 1600GB is allocated). This VM is protected using host-level backups. The problem is that these jobs take extremely long time.

There's daily churn of 300-800GB and the jobs in DPM run for 6-16 hours, which is not acceptable. Backup is done using RCT (guest OS is WS2016). I understand that the daily churn does not account for the whole backup process (and time), but this is extremely slow - for example one job took 7hrs 41mins and transferred 297747MB - which makes it ~10MB/s. This seems to be a problem with this one particular VM, because there are other larger VMs protected and the backups take considerably less time (for example a job that transferred 680GB took 3.5hrs, another 1.3TB in 2.75hrs etc.).

Is there a way to troubleshoot/investigate this?

Can host-level backup be affected by guest load (cpu/disk/network)?

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Hyper-V 2012R2 Host running Windows Server 2016VM to be backed up

October 2, 2018, 5:37 am
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Hi,

We have got a DPM 2012R2 running on Windows Server 2012R2.

Amongst other things this DPM backs up a Hyper-V 2012R providing sevearl VMs.

The guest OS of one new VM is Windows Server 2016.

So, is it supported to do a Host-level backup of the Windows Server 2016VM running on Hyper-V 2012R2 with DPM2012R2?

Thanks in advance!

Source info would be nice aswell.

regards

/bkpfast

My postings are provided &quot;AS IS&quot; with no warranties and confer no rights

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How to remove deleted SCVMM Cluster Resource VMs from the DPM Recovery Destinations list?

July 12, 2013, 8:19 am
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We have recently built a new Windows Server 2012 Hyper-V Cluster and are using DPM 2012 SP1 to protect the VMs. I noticed that even after deleting VMs from the Cluster and DPM, they are still showing as a Recovery Destination in DPM when I go to recover a server. This is a problem as these are not valid recovery destinations.  

I noticed these servers are listed in the DPM SQL DB table tbl_AM_Server.

I tried to run the Remove-ProductionServer.ps1 but this gives errors and does not work.

They should have been automatically cleaned out by DPM (I would think) but this has not happened.

Any help would be greatly appreciated. I have looked high and low for a solution.

Cole

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Problem moving Hyper-V host/guests to new protection server

October 15, 2018, 3:44 am
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We have a problem regarding Data Protection Manager and backup of a virtual SQL machine running on Hyper-V.

The setup is as follows:

We have 4 DPM servers running Windows 2012 R2 and DPM 2016 (5.0.361.0) - DPM01, DPM02, DPM03 and DPM04.

Then we have a Hyper-V Production server running Windows 2012 R2 - HPV12.

Finally HPV12 is running 6 Hyper-V virtual machines - among those SQL02.

The problem is this:

We moved protection of HPV12 from DPM04 to DPM02 - no problem.

Then we moved protection from DPM02 to DPM01 - but now we only see 5 of 6 VMs under HPV12 - SQL02 is not showing up (and we did the refresh, in the correct way).

To troublshoot we moved protection of HPV12 back to DPM02 - now we see SQL02. Then to DPM01 again - now we don't see SQL02.


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DPM Error 152

October 17, 2018, 2:12 pm
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I have two datacenters and 3 Hyper-V hosts.  I have 1 DPM server in each location. 

Workloads are live on Hyper-V 1 in Site 1.

Hyper-V 2 hosts only replicas in Site 1.

Hyper-V 3 hosts tertiary replicas in Site 2.

DPM 1 backs up Exchange/SQL from live workloads.

DPM 2 provides secondary protection for Exchange/SQL in Site 2.

DPM 1 backs up VMs with short retention from Hyper-V 2.

DPM 2 should backup Hyper-V replicas on Hyper-V 3 but when I modify the protection group I get Error 152 like this: https://social.technet.microsoft.com/Forums/lync/en-US/ceb036f8-27f0-4f93-b1d8-a94d58fb5320/scdpm-2012-r2-dpm-error-id-152-source-cannot-be-added-to-the-protection-group-because-of-existing?forum=dpmsetup

I had no problem creating the protection groups this way and never had to deal with any nonsense about switched protection.  Now, with one update or another this is all busted.  Is DPM incapable of this now and is it simpler to move to Altaro for my VM protection or is there a fix available that I don't have to create a support call to get?

-=Chris

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Unable to restore VM to 2016 Cluster Resource using DPM 2016 latest UR

February 2, 2018, 11:05 am
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Hello DPM technet,

I have a 2 node Server 2016 Hyper-V cluster using S2D hosting VMs and a Server 2012 R2 DPM 2016 UR 3

I have followed the documentation regarding adding a VMM attached Server 2016 Cluster to DPM 2016 latest release.  I am able to successfully backup a VM from the cluster, however when I attempt to restore I am unable to find a resource/location on the CSV to recover.

When I attempt to recover I am expanding the cluster resources in the console, however the OK button is always greyed out.   I am able to expand a node's local disks and choose the C:\ClusterStorage folder for recovery.  My expectation however is that this would be more seamless (i.e., recover to Cluster resource, ideally with a live VM restore).

I checked that the AD Objects for the cluster, nodes, and DPM server are all added to the Backup Operators group on each cluster node.

Can someone tell me what I am doing wrong? The documentation I used is below, and an attachment of the UI is attached.  Thank you!

https://docs.microsoft.com/en-us/system-center/dpm/what-s-new-in-dpm-2016?view=sc-dpm-1711#hyper-v-protection-improvements


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Exclude Large .VHDx of VM during Hyper-V Cluster Backup - DPM 2016

October 21, 2018, 4:49 am
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Hello,

We have DPM 2016 and Hyper-V 2016 Cluster.

We have some VMs with large .vhdx, but we want to exclude them from being taking during VM backup of Hyper-V Cluster.

We have tried using the registry Setting on Host  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\BackupRestore\FilesNotToBackup

But it did not work.

1. https://blog.it-kb.ru/2014/01/30/system-center-2012-r2-dpm-hyper-v-vm-backup-and-exclude-separate-virtual-disk-vhd-from-backup-protection-group/ 

2. http://www.buchatech.com/2011/10/how-to-exclude-data-from-dpm-protection/ 

Any help would be more appreciated.

Thanks


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Host Level Backup not Working for One VM in MABS

November 7, 2018, 1:46 am
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Hi

We have MABS installed and use it to back up our VMs at the host level.

This is working fine for all VMs except for one.

The error it gives is:

"

  • Affected area:RCT\GBYOR-XXXXX
    Occurred since:18/10/2018 10:01:33
    Description:The replica of Microsoft Hyper-V RCT\GBYOR-XXXXX on GBYOR-XXXXX.Cluster.domain.com is inconsistent with the protected data source. All protection activities for data source will fail until the replica is synchronized with consistency check. You can recover data from existing recovery points, but new recovery points cannot be created until the replica is consistent. 

    For SharePoint farm, recovery points will continue getting created with the databases that are consistent. To backup inconsistent databases, run a consistency check on the farm. (ID 3106)
    An unexpected error occurred while the job was running. (ID 104 Details: The filename, directory name, or volume label syntax is incorrect (0x8007007B))
    More information
    Recommended action:Retry the operation.
    Synchronize with consistency check.
    Run a synchronization job with consistency check...
    Resolution:To dismiss the alert, click below
    Inactivate

"

I've looked up this error, and suggestions are to run DiskShadow /L c:\temp\output.txt

list writers

exit

And examine the output.txt file for '\\' which should lead to any invalid image names that need correcting.

I've tried this on the VM and the Hyper-V host that it is on, however there is nothing in the output.txt files that need fixing.

I've tried the following troubleshooting:

  • Restarting the VM
  • Restarting the Hyper-V host
  • Restarting the MABS server
  • Removing the VM from the protection group and deleting the data already held for it in the backup destination, and then adding it back to the protection group

Backups in MABS at the guest level for 'All Volumes' and 'System Protection' work fine for the VM.

I've made sure that there are no space-related issues on the DPM storage pool. I have disabled protection of the VM that used Storage Disk 1 on the NAS, removed the current replication data and have enabled protection again for the VM this time specifiyng Storage Disk 2 on the NAS,

Tried a consistency check and it failed again, this time with a different error.

I throttle all machines to 85% as recommended and ran the consistency check again - which failed with the same error.

Fyi, it does back up some of the VM because it says it transferred 160 GB. Again OS level backups for the contents of the VM is working, it's just when trying to back it up at the host level that it fails.

'VSSAdmin List Writers' on the affected VM showed no VSS errors.

Any ideas?

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hyper-v role accidentally removed from DPM 2016 guest, now dpm won't start

November 13, 2018, 12:28 pm
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Guest OS: Server 2016
Hyper-V Host OS: Server 2012 R2
DPM Version: 2016

One of our VMs started acting a little crazy after Hyper-V role was removed and it was rebooted.

Attempts to re-add the Hyper-V role fails, giving an error about the CPU not supporting it.

DPM refuses to load on the VM.

How do I fix this?

Do I have to move it to a Hyper-V 2016 host, add the Hyper-V role, and move it back??

The idea of moving it back seems risky.

Please help. 

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NX / DX bit in windows 7 and Bitlocker failure

November 14, 2018, 7:25 pm
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On windows 7 machine after turning on NX in BIOS and turning on "Data Execution Prevention" option per below link the laptop failed to boot up. It is asking for Bitlocker key which is lost.

Can you revert back to "Last Good Configuration" or is there any option left to boot up the system?

https://social.technet.microsoft.com/Forums/en-US/2395b730-5d3d-4245-9470-5673f2ec5fc0/how-to-enable-nx-dx-bit-in-windows-7-without-bios-in-windows-10-this-automatically-enabled?forum=win10itprohardware

Thanks.


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