Attaching Database Using SMO & Powershell
Steve Jones wrote a great article on using this automation titled
The Demo Setup-Attaching Databases with Powershell. I threw together a completed script and modified it for my functionality here. MSDN documentation on the functionality is located here Server.AttachDatabase Method (String, StringCollection, String, AttachOptions)
I see some definitive room for improvement with some future work on this to display percentage complete and so on, but did not implement at this time.
For the nested error handling I found a great example of handling the error output from: Aggregated Intelligence: Powershell & SMO-Copy and attach database . If you don’t utilize the logic to handle nested errors your powershell error messages will be generic. This handling of nested error property is a must to be able to debug any errors you run into. http://blog.aggregatedintelligence.com/2012/02/powershell-smocopy-and-attach-database.html
If you want to see some great example on powershell scripting restores with progress complete and more I recommend taking a look at this post which had a very detailed powershell script example. SharePoint Script - Restoring a Content Database
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