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

=== START OF READ SMART DATA SECTION === SMART Health Status: OK

First, install StorCLI. Dell also provides , a rebranded version for their controllers. You can use the alien tool to convert .rpm packages for Debian/Ubuntu systems. === START OF READ SMART DATA SECTION ===

smartctl -a -d megaraid,<Enclosure_Device> /dev/sdX It typically ranges from 0 to the number

If you encounter the error Smartctl open device: /dev/sda failed: DELL or MegaRaid controller, please try adding '-d megaraid,N' , it means smartctl cannot directly talk to your hard drives because they are hidden behind a (like a Dell PERC). To fix this, you must tell smartctl exactly which physical drive to look at using the -d megaraid,N flag. Why This Error Occurs which may not simply be 0

N is the (or “drive ID”) as reported by the RAID controller , not the OS device name. It typically ranges from 0 to the number of physical drives minus one.

This specifically instructs smartctl to use SCSI-ATA Translation (SAT) over the MegaRAID interface. Troubleshooting

corresponds to the assigned by your RAID controller, which may not simply be 0, 1, 2, etc.. Use one of the following methods to find it: