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

The article explains the error, why it happens, how to fix it, and includes best practices for monitoring RAID drives behind Dell PERC / MegaRAID controllers.

Better: use storcli to see which PD belongs to which DG (drive group / logical drive). The article explains the error, why it happens,

To access the S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) data of your disks, you must tell smartctl how to communicate through the RAID controller. The Solution: Using -d megaraid,N use these integers for

The output will expose how the software perceives the hardware matrix. You will typically see lines structured like this: N If successful

smartctl -a /dev/sda -d megaraid,N

If successful, you will bypass the initial controller failure blocks and pull standard diagnostic metrics, including device temperature, power-on hours, reallocated sector counts, and drive health status. Making the Configuration Permanent

: These proprietary Dell/Broadcom tools provide the exact "Device ID" (DID) for each drive. Command: sudo storcli /c0 /eall /sall show . Look for the DID column; use these integers for