Rob Koper of 50mu comments:
Fixing misaligned partitions
It’s quite an old topic, but I recently found a great tool which allows you to re-align partitions without the need to manually move data from the misaligned disk to a new aligned disk.
First of all I must add that all the credits go to Nicholas Weaver, since he wrote the original blog and the actual tool!
Partition alignment can come back to haunt you down the road if you don’t do it right the first time. Fixing it is usually a destructive process, though. Rob and Nick Weaver have you covered.
Read more at: Fixing misalignment without moving data