Solved

What happens if files are open or being changed/deleted during shadow copy image creation?

Posted on 2009-07-13
2
249 Views
Last Modified: 2012-05-07
I am trying to modify our backup process to create the backup without shutting down source control services. I discovered that ntbackup is initiating a shadow copy snapshot before each backup and using that image for the entire backup, but what happens when files are open or being changed/deleted during the short time that the shadow copy is being created?
0
Comment
Question by:GrandPixel
2 Comments
 
LVL 23

Accepted Solution

by:
rhandels earned 50 total points
ID: 24847556
Hi, what Microsoft does is it uses it's Volume Shadow Copy feature to create a copy in a single second, meaning it will copy the file like it is on the server. If a user opens a word document and the NTBackup is passing this file for backup it will take the non edited version of the file because the user is still working on the file on it's local laptop. Also, after the file is copied into the snapshot and a file is edited after that, even before Microsoft actually starts writing files to the backup device, it will still use the old file because that's the file in the snapshot..
0

Featured Post

What is SQL Server and how does it work?

The purpose of this paper is to provide you background on SQL Server. It’s your self-study guide for learning fundamentals. It includes both the history of SQL and its technical basics. Concepts and definitions will form the solid foundation of your future DBA expertise.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

So you have two Windows Servers and you have a directory/folder/files on one that you'd like to mirror to the other?  You don't really want to deal with DFS or a 3rd party solution like Doubletake. You can use Robocopy from the Windows Server 200…
Setting up a Microsoft WSUS update system is free relatively speaking if you have hard disk space and processor capacity.   However, WSUS can be a blessing and a curse. For example, there is nothing worse than approving updates and they just have…
This video shows how to use Hyena, from SystemTools Software, to bulk import 100 user accounts from an external text file. View in 1080p for best video quality.

830 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question