and clusters for that matter
We recently saw a situation where a running VM could not be backed up by Data Protection Manager.
Here is why:
If at least one of the following conditions is true
The Hyper-V integration components for volume snapshot copy disabled for the VM
Dynamic disks configured inside of the VM
Non-NTFS based partitions inside the VM
Changed shadow storage assignments [...]
Ruud Baars, consultant and DPM expert at Microsoft NL explains how a disk in Data Protection Manager can be migrated to another disk by freeing up space, even if there are volumes spanning multiple disks.
See his blog at Ctrl P – The Data Protection Manager Blog: http://blogs.technet.com/b/dpm/archive/2010/06/05/space-needed-to-migrate-a-disk.aspx
Install at least these two hotfixes on Hyper-V R2 servers:
KB975354 A Hyper-V rollup package dealing with parallel backups on same cluster shared volumes and VM’s hosted by different servers; Avoiding data truncation as a result of simultaneous backup of VM from host and from within virtual machine; properly restoring a VM with snapshots to another [...]
The release candidate of DPM2010 has just been released.
The download location is: http://connect.microsoft.com/site840/Downloads/DownloadDetails.aspx?DownloadID=26452
The RC features support backup of machines within your intranet, which includes:
Workgroup machines
Machines in untrusted domains within your intranet
Please note that in this release, this feature has been built for backing up machines within environment and DPM2010 RC does [...]
Several issues around VSS based protection & recovery are being addressed with this Hyper-V update rollup package. The package can be downloaded from: http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=975354&kbln=en-us
The last three issues might sound familiar if you already perform host level protection of virtual machines on Cluster Shared Volumes (CSV) with Microsoft System Center Data Protection Manager [...]
Next in this series is a TechEd Europe 2009 presentation by Asim Mitra, a senior program manager from Microsoft, on data protection and recovery of Hyper-V and Hyper-V R2 workloads with Data Protection Manager 2010.
DPM2010 beta has been publicly available for a few weeks. In my own lab DPM2010 is spinning happily, protecting a Hyper-V [...]
Today the Data Protection Manager development team released the public beta of Microsoft System Center Data Protection Manager (DPM2010), the third generation of Microsoft backup software. Actually backup is not the right word since it is data protection and guaranteed data recovery what makes DPM really stand out. It was really designed for backup to [...]
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