PDA

View Full Version : How do you sync two data drives?


Radtech1
4th of October 2008 (Sat), 23:25
Had a catastrophic hard drive failure today.

Good news what that it was the C: drive and not the data drive. But that made me even more concerned about data redundancy.

I have an internal 500G drive for data and a duplicate 500G external USB drive for backup. The problem is syncing them, especially when working in Photoshop and I don't "Save As" on both drives, and also, when unloading cards to the computer. It often happens that my "backup" drive is days or weeks behind, and when I do get around to it, I have a hard time remembering what was newer than what and so on.

Which brings me to the question:

How do I sync these two drives? Either real time or "scheduled" would be fine, I just want to make sure I have two copies of everything.

Rad

tim
4th of October 2008 (Sat), 23:37
Get Robocopy (http://www.microsoft.com/downloads/details.aspx?familyid=9d467a69-57ff-4ae7-96ee-b18c4790cffd&displaylang=en). There's a gui but you don't need it. Run this script every night.

robocopy sourcedir destinationdir /MIR (optionally exclude directories or files)

Sourcedir and destinationdir can be c:\ and d:\ , or whatever. I use this to keep my main drives and my offsite drives in sync.

Moppie
5th of October 2008 (Sun), 05:00
I use Karens replicator, works much like Robo copy, but has a really nice easy to use GUI (for those of us who haven't used scripts since DOS).

http://www.karenware.com/powertools/ptreplicator.asp

Greg_C
5th of October 2008 (Sun), 05:09
Another option is the the free SyncToy (http://www.microsoft.com/Downloads/details.aspx?familyid=C26EFA36-98E0-4EE9-A7C5-98D0592D8C52&displaylang=en) from Microsoft.

I use it to sync to my server (a Windows Home Server .... see here (http://photography-on-the.net/forum/showthread.php?t=533051&highlight=whs)) and to my off site external drive.

René Damkot
5th of October 2008 (Sun), 05:36
also, when unloading cards to the computer. It often happens that my "backup" drive is days or weeks behind,


Image Ingester (http://imageingester.com/) will help here...

weather_wrangler
5th of October 2008 (Sun), 05:49
How do I sync these two drives? Either real time or "scheduled" would be fine, I just want to make sure I have two copies of everything.

Rad

Trying to sync folders and files can be very confusing to me. Like you, I get confused about "which is newer and which is older"

If you are running Windows Vista, Robocopy is already built into the operating system. It is fairly easy to set up a batch file to run your backup and the process is very fast.

Ask if you need help.

Another easy to use and very solid backup program is SyncBack by the 2BrightSparks company. There's a freeware version or just pay $30.00 for the more versatile paid version. Highly recommended.

As for scheduling, using Windows scheduler is clunky and counter intuitive, while the SyncBack scheduler is much easier. However, why not just run either one manually and keep it simple.