Glad to help!
Yes, they were internal drives. I've never tried to hot swap them! Knock on wood, I've never had one fail!
For the heck of it, I've installed the Dell Open manage thing on a few Dell Servers just to see if I caould make it work. In each case, after I saw that I could use the info, I honestly never really saw a great need for it. If I remember right, I instalee the "Dell OpenManage Offline Bundle and VIB for ESXi" from the ssh command line of the esxi server ...sort of like this:
http://communities.vmware.com/people/vmroyale/blog/2012/07/26/how-to-use-dell-dset-with-esxi