[smartmontools-support] NVMe drive

[Carsten Aulbert]

Hi James.

On 2/7/19 12:40 AM, James wrote:
> Why is there 2 devices?
> /dev/nvme0
> /dev/nvme0n1

Please see this answer for this:

https://serverfault.com/questions/892134/why-is-there-both-character-device-and-block-device-for-nvme

> 
> What are the errors in the NVMe Log?

It seems the controller on it detected something amiss and added entries
to its internal logs (which is what smartctl is reading and showing here).

Given that this seems to be a new device, I would either wait and
monitor if more errors will appear there or try to get hold of a
software from HP which may have some internal information about the
devices and can decide if these are "safe to ignore" errors or errors
which need to be dealt with. But then I don't know if such a software
exists from HP.

> What is an unsafe shutdown?

>From what I have read, this may indicate a system power off before the
driver/kernel part responsible for handling the device told the
controller to shut down. Another possibility could be a flaky power
connection to the device as it was powered off 5 times during its first
hour of operation and had 4 unclean shutdowns, but it could just be the
former when you rebooted the system a couple of times.

Does this help a bit?

Cheers
Carsten

-- 
Dr. Carsten Aulbert, Max Planck Institute for Gravitational Physics,
Callinstraße 38, 30167 Hannover, Germany
Phone: +49 511 762 17185