We were under the impression that we had an Exchange 2010 DAG. I believe that we have a DAG, but it isn't working properly, so is it really a DAG?
Anyhow, i digress.
I recently noticed that log files weren't truncating after backup (Windows Server Backup) and that the Exchange Mailbox directory on our main Exchange db VM was getting very large. So large in fact that yesterday the VM starting pausing every 3 minutes or so.
I have attempted moving a bunch of logfiles to a different network location, but as the VM kept pausing I wasn't able to get many moved and then it blue screened on me so I laid off.
At this point the database and log files together total over 550GB of data. At this point we are not receiving any email because that VM is offline.
I see a copy of that database on the failover DAG member, but for some reason it did not pickup.
I am in the process of exporting the VM to another larger hard drive, but it's taken over 12 hours and it's still nowhere close to finishing.
Hyper-V physical host is running Server 2008 R2 x64. VMs are all running the same. Exchange is 2010 and not patched up to date w/ SPs.