Disk Size Modification in Softlayer Affect loss of data in a disk is it true?

Question

Disk Size Modification in Softlayer Affect loss of data in a disk is it true? I get an message During Disk Size Modification in my Virtual Machine they shows modify size Disk cause loss of data

Answer 1

That's right, the data will lost. Probably the best options could be:

1. Add a new disk to your vm
2. Detach the disk that you want to do an upgrade and add a new one. In this case the data will be preserved in the disk detached

These are the possible solutions in order to preserve the data.