How to use SAN recovery option and mapping data source volumes to Windows disks

Say you want to use the DPM “SAN recovery” option. This requires storage management steps for which it is useful to know which Windows disks (LUN’s) hold the associated DPM volumes for a given data source. First a generic recap of the potential ‘DPM SAN recovery’ advantages and steps; ‘SAN recovery’ is only beneficial when… Read more

Dynamic Disk Hotfix

A potential problem with Volume Manager on Windows Server 2008 and Windows Vista systems may lead to data loss.  This hot fix does not apply to Windows Server 2008 R2. Microsoft recommends that you apply this hotfix on any Windows Server 2008 and Windows Vista platforms that are currently in use or are using dynamic disks.  This hot fix is… Read more

DPM 2010 Release Candidate webcast preview

Hopefully you have been enjoying the DPM 2010 beta since September, but we are almost finished with the Release Candidate and our last milestones towards delivery.  Please join us on January 14 at 9:00 AM Pacific US Time to see what is coming in the Release Candidate  We will demonstrate the pre-RC software that our… Read more

DPM 2010 Beta is available now

The Data Protection Manager (DPM) team at Microsoft is happy to announce the arrival of Data Protection Manager 2010 Beta.  I am Anand Kamat, Group Product Manager for the DPM development team, and since shipping DPM 2007 SP1 in Jan 2009, we have been on an amazing journey to get this feature packed release out… Read more

Known Issues and recommended solutions on Secondary Protection (Disaster Recovery)

1.       We have seen issues under Secondary DPM server when production server node is expanded in DPM UI, you do not see any datasources enumerated. As a result of this, you cannot add secondary protection for any of the datasources of that production server. This could happen due to one of the following reasons a.      … Read more

CLI Script: To recover a DPM replica volume from data stored in tape

When a disaster occurs, and you lose your replica volume for any datasource, you could re-seed the replica from the backed-up data you have in tape. This little script initializes replica from a tape recovery point. The parameters have to be customized for your environment first as given below.  Save the attached file as a… Read more

New DPM case study — AutoNation

  A new DPM 2007 case study recently published on a great success story from AutoNation. With 25,000 employees and $19 Billion US in revenue, AutoNation had a lot of data.  One quote from Ed Olson, Lead Windows Infrastructure Engineer, AutoNation: "We were trying to shoehorn 12 to 15 terabytes of data onto 15 tape… Read more