Created attachment 1097524 [details]
engine log

Description of problem:

Snapshot description length isn't restricted.
When trying to enter a description longer then the allowed size an 
Error massage isn't received.
Verification of name size should be in the UI and not moved to the DB.  

Version-Release number of selected component (if applicable):
3.6.0.3-0.1.el6

How reproducible:
Always

Steps to Reproduce:
1. Create vm with disk.
2. create snapshot with Description longer then the max size allowed. 


Actual results:
Failed to create the snapshot.


Expected results:
Error massage should be receive - 
Error while executing action Create snapshot to VM: snapshot description is to long

And the length of the string should checked on the UI before moving the command to the DB.

Additional info:

Engine log attached