Backup multiple Hyper-V clusters with 2 DPM 2016 servers setup with Scale-Out...
I have been using 2 DPM 2016 servers to backup VMs in a 5 node Hyper-V cluster of 2012 R2 servers, using the Scale-Out Protection (setdpmserver –add –dpmservername serverX). For the most part, it has...
View ArticleHyper-V not merging snapshots automatically - Disk merge failed.
Hi, I have asked this question before however the same problem has occurred and is driving me crazy. Now we have a 2016 Hyper-V environment with Server 2016 VMs. We run daily backups using DPM 2016....
View ArticleILR of filerserver Hyper V vm throws up errors
ILR on a VM errors 99% of the time while loading. The VM is a 3.5TB file server and after I click through the volume to the share, it may load a few thousand files and then error. There is 26000...
View ArticleDPM Jobs failing for only one Hyper-V VM
We have a DPM 2016 Server that is configured for the VM Cluster Level Protection by installing the DPM Agents in all of the Nodes( Hyper-V Hosts) of the Cluster. And till now the DPM Backup jobs for...
View ArticleILR of filerserver Hyper V vm throws up errors
ILR on a VM errors 99% of the time while loading. The VM is a 3.5TB file server and after I click through the volume to the share, it may load a few thousand files and then error. There is 26000...
View ArticleBacking up a VM after restoring to a new host
Scenario - I'm backup up a Hyper-V VM on Host A, I restore the VM to Host B. How do I configure DPM to continue protecting the VM after it's been restored to Host B? Seems DPM will continue looking to...
View ArticleProtecting 1 VM with multiple DPM servers
Any problem with protecting 1 Hyper-V VM using two separate DPM servers? For example, 1 DPM server takes folder level backups on the VM, while another DPM server takes a full VM-level snapshot?...
View ArticleILR of filerserver Hyper V vm throws up errors
ILR on a VM errors 99% of the time while loading. The VM is a 3.5TB file server and after I click through the volume to the share, it may load a few thousand files and then error. There is 26000...
View ArticleDPM Unknown Error 104 - ID 3311
Hi DPM Admins,We are running Native Hyper-V / RCT backups for our Virtual Machines I began receiving DPM Unknown Error 104 error 0x8004100cAn unexpected error occurred while the job was running -...
View ArticleProtecting 1 VM with multiple DPM servers
Any problem with protecting 1 Hyper-V VM using two separate DPM servers? For example, 1 DPM server takes folder level backups on the VM, while another DPM server takes a full VM-level snapshot?...
View ArticleDPM back-end IO write size of 64KB... and page file usage...
Hi,1a) I have been informed that the disk (DPM storage LUN) IO payload size (disk data transfer block size) (i.e. whilst reading/writing the VSS snapshots) is 64KB for both reads and writes.1b) Or have...
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Pre and Post Backup Script to Stop/Start VM
Anyone know how to configure DPM to stop a hyper-v guest OS before it is backed up, then start the vm after backup completes? I have DPM agent installed on hyper-v host and trying to take a VM-level...
View ArticleDPM back-end IO write size of 64KB... and page file usage...
Hi,1a) I have been informed that the disk (DPM storage LUN) IO payload size (disk data transfer block size) (i.e. whilst reading/writing the VSS snapshots) is 64KB for both reads and writes.1b) Or have...
View ArticleILR of filerserver Hyper V vm throws up errors
ILR on a VM errors 99% of the time while loading. The VM is a 3.5TB file server and after I click through the volume to the share, it may load a few thousand files and then error. There is 26000...
View ArticleVM status - locked
this article describes the same issues we are experiencinghttps://support.microsoft.com/en-ie/help/2964439/hyper-v-virtual-machine-backup-leaves-the-vm-in-a-locked-state but everything is running 2016,...
View ArticleHyper-V 2012R2 on Storage Spaces CSV, Ways to protect against "snapshot stun"...
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...
View ArticleResume protected clustered VM after Migration
Hi,I was protecting a couple of VMs on cluster1 with DPM. I recently created a new cluster, cluster2. And moved the VMs from cluster1 to cluster2.The DPM backups are now failing as DPM is not finding...
View ArticleUnable to backup VM's stored on a CSV
I have a 2 node hyper-v cluster with a csv shared between both nodes. I just set up dpm 2016 and installed the agent on both hosts and added the vm's to a protection group, but when I try to take the...
View ArticleHot to migrate VMs from one DPM server to another/new DPM servers
In an HyperV environment , 200+ VMs are being protected on DPM01, to move some of the Vms to a new DPM02 servers, what are the best ways to move forward.Can we attach one physical host to two...
View ArticleUnable to backup VM's stored on a CSV
I have a 2 node hyper-v cluster with a csv shared between both nodes. I just set up dpm 2016 and installed the agent on both hosts and added the vm's to a protection group, but when I try to take the...
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