Hi, I have an ext3 drive which has data on it, and I'd like to mirror this drive with Linux software mirroring. Without losing any data, can I just plug in the second drive, modify the /etc/raidtab file to incorporate both drives in a mirror and then bring up the md device for that raid set? ie. will linux automatically start to build the mirror retaining all the data? Thanks. Michael. Find local movie times and trailers on Yahoo! Movies. http://au.movies.yahoo.com