Exchange 2010 can be protected by multiple DPM servers

I like to draw attention to something that may not be well known and surprise some old ‘die hard’ DPM’ers. You probably are familiar with the ‘rule’ that all protected hosts within a cluster must be protected by the same DPM server! This is does not apply to Exchange 2010 and is formally documented here:… Read more

Potential VM protection name confusion

Lets say you create virtual machine protection and current conditions allow “Backup Using Child Partition Snapshot\<VM>” or in short; ‘online’ protection. Then you change the VM configuration and introduce one of the conditions that prohibit online protection (see below and  http://technet.microsoft.com/en-us/library/ff399205.aspx).  At this point online  protection (as the data source name suggests) will no longer… Read more

Exchange 2010 clusters can be protected by multiple DPM servers

I like to draw attention to something that may not be well known and surprise some. You probably are familiar with the ‘rule’ that all protected hosts within a cluster must be protected by the same DPM server! This is does not apply to Exchange 2010 and is formally documented here: http://technet.microsoft.com/en-us/library/ff399324.aspx. You still get… Read more

Protect, Unprotect, Protect, Unprotect – Understanding how DPM 2010 retention works

UPDATE 11/20/2013: The script below has been updated to work with all current versions of DPM 2012. ===== With special thanks to Fahd Kamal for the backgrounder content. Imagine that you are experimenting with DPM 2010.  You protect some data, and then you remove that protection group.  Then, showing DPM to one of your friends,… Read more

About defining DPM protection from CLI

Those with interest in modifying and creating DPM protection from CLI probably appreciate this otherwise there is little sense in reading further I guess. Those that seek to save and recreate protection configurations are up for a task that proved to be a daunting one, you may want to look into a twin script called… Read more

Why is recovery point consumption smaller than transferred data?

There are people that understand and monitor what’s happening in their environment, I’m sure you are one of those and may observe strange looking statistics. On the 10.000ft level and a per job basis, not all data that gets transferred is also stored!? Are we losing information? No, of course not! DPM is a CDP… Read more

DPM 2010: Helping you meet SLAs with less effort

  Better backups with DPM – the story so far… DPM has consistently aimed at making your backups more reliable. The transition from tape to disk as a medium for storing backups provided the first impetus to improved reliability of backups, and was delivered with DPM 2006, our first release. It also brought about novel… Read more

How to create and delete recovery points for DPM via PowerShell

Knowing how to manipulate DPM by way of PowerShell can come in handy in many situations. For example, I had a case to where I was troubleshooting the DPM console that was crashing and there was a concern as to whether or not recovery points where being made for specific protection groups. Using the PowerShell… Read more

Troubleshooting SharePoint recoveries for DPM

There are some common issues we run into when troubleshooting SharePoint recoveries and the video below covers how to diagnose common SharePoint DPM recoveries using the various logs that are available. The two areas of focus are insufficient space and incorrect templates related issues. The video covers using the MSDPMcurr.errlog, Traclogs, monitoring logs, and the… Read more

Enabling/Disabling co-location of data on Tape

With DPM 2007 Feature Pack  (KB949779), we have added support for media co-location. With this feature, you can achieve better tape utilization by co-locating data from multiple protection groups with similar retention range. This feature is disabled by default. You can use following PowerShell commands to enable and disable tape co-location.   Enable Tape co-location:… Read more