After a virtual media drive has been mounted, if you add a file(s) to that drive, those files may not be immediately visible on the target server. Disconnect and then reconnect the virtual media connection.
See Also
Virtual Media Notes
Cannot Connect to Drives from Linux Clients
Cannot Write To/From a File from a Mac Client
Virtual Media via VKC and AKC in a Windows Environment
Virtual Media Linux Drive Listed Twice
Accessing Virtual Media on a Windows 2000
Disconnecting Mac and Linux Virtual Media USB Drives
Target BIOS Boot Time with Virtual Media
Virtual Media Connection Failures Using High Speed for Virtual Media Connections