In Windows Server 2012R2 Event Viewer shows error ID 15:
Log Name: System
Source: disk
Date: 9/29/2014 3:16:49 PM
Event ID: 15
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: server.name
Description: The device, \Device\Harddisk6\DR82, is not ready for access yet.
Where do I find a list of these devices? These hard disks? How can I find more details about which disk is throwing the error?