Error 0x400D0198

Value: 1074594200 | 0x400D0198 | 1074594200

What does it mean ?

NS_I_DISK_STOP  
Disk %1 ( %2 ) on Content Server %3, has been offlined.
Value: 408 | 0x0198 | 0b0000000110011000

Where does it come from ?

FACILITY_MEDIASERVER  
Windows Media Server
Value: 13 | 0x00D | 0b00001101

Other Errors for FACILITY_MEDIASERVER