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Re: Linux not seeing all SATA drives



On 2020-10-13 08:39, Dennis Wicks wrote:
David Christensen wrote on 10/12/20 10:01 PM:
On 2020-10-12 19:19, Dennis Wicks wrote:
I have 3 SATA drives on my system. I replaced all my red cables with new black cables. The BIOS sees all of them but when linux finishes booting it only sees two of them. Do I have to do something to linux so it sees the third drive?

FYI, I have the system disk in sata-1, the drive on sata2 is not seen, but the drive on sata3 is seen and in use. The CD/DVD drive is on sata6 and is also seen.

Thanks for any and all help!
Dennis

Run the following commands as root.  If you need help interpreting the results, post your console session:

# lsblk

# fdisk -l

# mount | grep sd


David


Thanks for the tip, but none of those commands show the third disk, just two.
What might be /dev/sdc doesn't show up with any command I have tried.

Please run the following commands and post the console session:

$ cat /etc/debian_version

$ uname -a


Boot the Debian 9 or 10 installer, run the following commands, and post the console session:

# smartctl -i /dev/sda

# smartctl -i /dev/sdb

# smartctl -i /dev/sdc

# smartctl -i /dev/sdd


Mark your cables with labels and serial numbers, and keep track of your patching configurations.


The suggestions of re-patching and checking dmesg are valid. I would connect the system drive to each port in turn, bootint the installer rescue shell, checking, booting the system drive, checking, and comparing results. I would then put the system drive on the first port and try the problem drive on the remaining ports, both with the installer rescue shell and with your system drive.


Have you checked your drives recently using the manufacturer diagnostics utility?


David


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