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

Some guides suggest -d sat+megaraid,N for SATA drives behind a MegaRAID. Try -d megaraid,N first; if that fails, -d sat+megaraid,N may work for some older firmware.

You will likely encounter the following exact error string in your terminal or system logs: Smartctl open device: /dev/sda failed: DELL or MegaRAID controller, please try adding '-d megaraid,N' Some guides suggest -d sat+megaraid,N for SATA drives

Smartctl open device: /dev/sda failed: DELL or MegaRaid controller, please try adding '-d megaraid,N' Some guides suggest -d sat+megaraid

How to Fix "smartctl open device /dev/sda failed: Dell or MegaRAID controller" if that fails

: Some controllers require a combined flag: sudo smartctl -a -d sat+megaraid,12 /dev/sda Troubleshooting Common Issues Smartmontools with MegaRAID Controller - Thomas-Krenn.AG

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