Alert: Windows Event Log 

Alert: Windows Event Log 

1. Event Description: The device, \Device\Harddisk0\DR0, has a bad block. 

• This means this drive is failing and must be replaced. Find an appropriate replacement. 
• It can be difficult to figure out which drive it is, use Bad Block Error Drive Correlation to help determine it. The WMIC command is most effective.  

2. Event Description: The driver detected a controller error on \Device\Harddisk2\DR2. 

• These can be serious. If this is a RAID controller or permanently attached device, it is cause for alarm and troubleshooting must occur 
• If the device is a CDROM, USB drive, memory stick, nothing to worry about. “Removable media being ejected, this is expected” 

3. Event Description: A corruption was discovered in the file system structure on volume F:. 

• This means the drive has filesystem corruption. Generally from turning the PC off improperly, but sometimes from a bad drive. Run a chkdsk. 

• “fsutil dirty set c:” (or D: F: ect.) It will mark the FS as dirty and force a disk check upon the next reboot. 

4. Event Description: Device failed: Physical Disk 0:0:1 Controller 0, Connector 0 

• Event Description: Virtual disk degraded: Virtual Disk 0 (ACME-RAID) Controller 0 (PERC 5/i Integrated) 
• Event Description: Physical device removed: Physical Disk 0:0:1 Controller 0, Connector 0 
• Event Description: Physical disk offline: Physical Disk 0:0:1 Controller 0, Connector 0