I don't think you can view logs or get errors from a storage device using the iDRAC 6.  Usually you use OMSA or a storage management utility to do that.  If you are remote but can get a connection to the local network, you can get to OMSA with the URL [URL]
Hello, I have an R710 with MD1220 (might be MD3000, not sure) sas attached.  I can get to the R710 drac web gui but how do I view the error information or logs for the MD1220 that is attached? 
How to view error messages on attached storage through drac?