Smartctl Open Device Dev Sda Failed Dell Or Megaraid Controller Please Try Adding 39d Megaraid N 39 Extra Quality Verified -

), while the physical disks are hidden behind the controller. To access a physical drive's SMART data, you must tell which specific physical disk index ( ) to query. Thomas-Krenn.AG How to Resolve the Error To successfully query your drives, follow these steps: Identify the Physical Disk Index ( You need the (DID) of the physical disk. Use one of the following tools:

To set up automatic monitoring, you must configure /etc/smartd.conf with the correct -d megaraid,N directives. Here is what an entry for a physical disk with ID 0 might look like:

This will output pairs showing the Enclosure Device ID and Slot Number for every active physical drive. Automating smartd for MegaRAID Monitoring

The easiest method. Running smartctl --scan often yields the exact syntax needed. ), while the physical disks are hidden behind the controller

If your configuration routes consumer-grade or bulk enterprise SATA disks through a hardware RAID card, the control instruction must explicitly invoke a translation layer ( sat ) to ensure proper translation. Without appending this parameter, command outputs may drop attribute strings or report missing identification data: smartctl megaraid,N ( how to find the right value for N ? )

You can use the older but still common MegaCLI utility.

This error occurs because the operating system sees your RAID controller (e.g., a LSI MegaRAID Use one of the following tools: To set

When attempting to run smartctl, a popular command-line utility for monitoring and managing disk drives, on a Linux system, you might encounter an error message similar to:

smartctl -d megaraid,N [other options]

Run smartctl --scan to see a list of attached devices and their corresponding IDs. Running smartctl --scan often yields the exact syntax needed

When managing enterprise storage infrastructure, encountering disk access restrictions is a common operational hurdle. A frequent issue administrative teams face on Dell PowerEdge

smartctl -a -d megaraid,1 /dev/bus/0