Cannot locate or analyze disk problems on /dev/sdb2

milford151

New Member
I have run a number of commands to try and solve this problem but to no avail. Please see attached file which also contains a print out of all error messages in dmesg.
 

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milford151

New Member
I have been plugged in to a wall unit for all test:
mdadm: No md superblock detected on /dev/sdb2.

What other tests do you recommend ?
 

wizardfromoz

Super Moderator
Staff member
Gold Supporter
G'day @milford151 and welcome to linux.org :)

1. Is this a new laptop or a used laptop? Can you tell us the Brand name and the Model Number?

I am betting you have a SATA HDD which is /dev/sda, possibly from 500 GB to 2 TB, and that /dev/sdb is a solid state drive (SSD) maybe 128 GB to 256 GB.

How am I doing so far? :D

Code:
mdadm: No md superblock detected on /dev/sdb2
mdadm is a command for use with RAID (Redundant Array of Independent Disks) drive setup, and unless it has been already setup this way, will not apply to you and the command is of no relevance.

2. What Linux Distribution (Distro) are you using, Bill? eg Ubuntu, Linux Mint, &c and the version number?

3. Do you have Windows on this laptop and if so, which version?

Cheers

Chris Turner
wizardfromoz
 

milford151

New Member
G'day @milford151 and welcome to linux.org :)

1. Is this a new laptop or a used laptop? Can you tell us the Brand name and the Model Number?

I am betting you have a SATA HDD which is /dev/sda, possibly from 500 GB to 2 TB, and that /dev/sdb is a solid state drive (SSD) maybe 128 GB to 256 GB.

How am I doing so far? :D

Code:
mdadm: No md superblock detected on /dev/sdb2
mdadm is a command for use with RAID (Redundant Array of Independent Disks) drive setup, and unless it has been already setup this way, will not apply to you and the command is of no relevance.

2. What Linux Distribution (Distro) are you using, Bill? eg Ubuntu, Linux Mint, &c and the version number?

3. Do you have Windows on this laptop and if so, which version?

Cheers

Chris Turner
wizardfromoz
 

milford151

New Member
Hello Chris

New System76 Galago Pro laptop with Linux Mint 19.1, no windows with:

250G m2 SSD and 1TB drive:

Filesystem 1K-blocks Used Available Use% Mounted on
udev 8118408 0 8118408 0% /dev
tmpfs 1630180 1432 1628748 1% /run
/dev/sdb2 238798492 54201916 172396540 24% /
tmpfs 8150896 15824 8135072 1% /dev/shm
tmpfs 5120 4 5116 1% /run/lock
tmpfs 8150896 0 8150896 0% /sys/fs/cgroup
/dev/sdb1 523248 7380 515868 2% /boot/efi
tmpfs 1630176 24 1630152 1% /run/user/1000

Originally came with Ubuntu 18.04 but I replaced it with Mint

Bill
 

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