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

Step 2: Extracting Missing Physical IDs via MegaCli / StorCli

# Try N=0, then N=1, etc. smartctl -i -d megaraid,0 /dev/sda smartctl -i -d megaraid,1 /dev/sda Step 2: Extracting Missing Physical IDs via MegaCli

storcli /c0 /eall /sall show

That lists all physical disks in controller 0. Look for DID (Device ID) or ID – that is your N . etc. smartctl -i -d megaraid

megacli -pdlist -a0

By understanding how to find the correct using storcli , /proc/scsi/scsi , or a brute‑force scan loop, you can unlock the full diagnostic power of S.M.A.R.T. monitoring for every disk behind your RAID controller. Once you retrieve the data, focus your attention on the raw values of Reallocated_Sector_Ct , Current_Pending_Sector , and UDMA_CRC_Error_Count to catch disk failures and connection problems before they cause data loss. 0 /dev/sda smartctl -i -d megaraid