Setting up VSS on Windows 2003 Server

Posted on 2007-10-11
Medium Priority
Last Modified: 2008-01-09
I am interested in removing DFS as it is currently being used on our network and setting up VSS. Currently we have two server setup with identical files that are being shared out through DFS.

We are going to remove one of the file servers and turn off DFS. I would like to get VSS setup and running so that users are able to retrieve up to date copies of their existing files should they become corrupted or deleted.
Question by:ellitech
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LVL 97

Expert Comment

by:Lee W, MVP
ID: 20059530
Ok... what's the question?  What don't you know how to do?  You don't know how to remove DFS?  You don't know how to remove the server?  You don't know how to enable VSS?  You don't know how to get users to recover files via VSS?

Author Comment

ID: 20060098
Hi, thanks for responding. The server that will be used for the file server we will call NTFS1. It currently only has one logical drive setup C:/ It is three physical drives being used in a RAID 5 array. It has 136GB of space with 90GB being used and only 40GB of free space left. I am interested in setting up VSS so that some of the shared folders inside can be accessed in case the user deleted the file accidentally or it became corrupted for some unknown reason.

My question is: Do you require the exact amount of free space as the space being used by the drive that has VSS enabled on it? Can you set it up so that you only require enough space to Volume Shadow Copy the shared folders within the drive that you want protect?

I am a little confused on how to get it all going. We currently have an IT outsourced company that has everything setup in a very convoluted manner. Lot's of the data is replicated all over the place and I am interested in gaining some control over the network as they are being phased out in the next couple of weeks and I will be taking over.

Thanks for your help...
LVL 97

Expert Comment

by:Lee W, MVP
ID: 20060184
Volume Shadow Copy IDEALLY should have the data stored on a separate disk for performance reasons.  Shadow Copy does the entire logical drive and cannot do specific folders - it's all or nothing on the drive.  
The amount of space required is specified by you and in my opinion, you should use 10x the size of your average differential backup for that drive.  If your average differential is 1 GB, then I would recommend 10 GB reserved for the drive.

Author Comment

ID: 20060891
Thanks for the feedback, we are currently doing full backups of that drive as we have the tape capacity as well as time slot within to do it. So, I am assuming that I would require as much space as possible. In regards to the data being stored on a separate disk, I am assuming you mean a separate disk within the same physical box?

If I was to setup an external drive attached by a USB cable, would you be able to read/write to it quick enough to work?
LVL 97

Accepted Solution

Lee W, MVP earned 2000 total points
ID: 20060998
USB2 is far slower than a locally attached SATA, SAS, SCSI, or IDE drive.  I would not use that for the shadow copy disk.  I would get a single, non-RAID drive and install it in the server - or install an eSATA controller and get an eSATA capable drive. (e=external).

Problem with a full backup is you have no idea how much your data changes on a regular basis.  Unless you're special (doing atypical things), I'd probably then suggest 10% of the disk space.

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