Description of problem:
Anaconda Installer raises exception when initializing local disk drives.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Start RHEL6-Snap3 installation
2. During Drive selection stage, select local drives
3. On pressing 'Next', one should see the exception
Drive selection stage results in exception. One cant proceed to the next stage.
Installation shouldn't fail
PFA the exception report.
*** This bug has been marked as a duplicate of bug 589967 ***