Webmin / Bugs / #5120 SMART Drive Information Not Available for NVMe drives, Ubuntu 18.04

Jamie Cameron - 2018-11-25

That makes me wonder if SMART really is supported for NVME drives? Since they are always SSDs, how much sense does drive health monitoring make anyway?

What does smartctl -H /dev/nvme0 output on your system?

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Well, it surely does make sense: health monitoring for NVMe provides a lot of data:

SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning:                   0x00
Temperature:                        48 Celsius
Available Spare:                    100%
Available Spare Threshold:          10%
Percentage Used:                    0%
Data Units Read:                    3 623 [1,85 GB]
Data Units Written:                 24 595 [12,5 GB]
Host Read Commands:                 93 171
Host Write Commands:                170 034
Controller Busy Time:               1
Power Cycles:                       11
Power On Hours:                     7
Unsafe Shutdowns:                   10
Media and Data Integrity Errors:    0
Error Information Log Entries:      293
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0
Temperature Sensor 1:               48 Celsius

The reason I need it - is to recieve a warning by email when there is some problem with my drive . Webmin has a good notification system, but it needs to see the drive first.
Here is the requested output. I added two more outputs for you .
smartctl -H /dev/nvme0

[sider@nas ~]# sudo smartctl -H /dev/nvme0
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-39-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

smartctl -H /dev/nvme0n1

[sider@nas ~]# sudo smartctl -H /dev/nvme0n1
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-39-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF SMART DATA SECTION ===
Read NVMe SMART/Health Information failed: NVMe Status 0x6002

smartctl -d nvme,0xffffffff -H /dev/nvme0n1 - working!

[sider@nas ~]# sudo smartctl -d nvme,0xffffffff -H /dev/nvme0n1
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-39-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

ochbob - 2018-11-26

Same for me.

Debian 9.6
Webmin 1.90

Information from nvme-cli or smartctl is working great, but no data from webmin module.

edit:

I tried with the latest 1.901.1126.0302, same issue, module does not push any data.

Last edit: ochbob 2018-11-26

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Jamie Cameron - 2018-11-27

I've checked in a fix to add a special case for NVME drives : https://github.com/webmin/webmin/commit/8f5e734c9ca5704979d83bfdacf4f695334881b5

This will be included in the next Webmin release.

👍
1

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ochbob - 2018-11-27

Thank you for this.

I've commit the latest github version (update_from_repo.sh), but it does not change anything =/

What exactly the fix should do ?
(I don't understand properly the code you have changed, sorry.)

Last edit: ochbob 2018-11-27

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Jamie Cameron - 2018-11-28

It should identity all NVME drives as supporting SMART.

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ochbob - 2018-11-28

That was the conclusion I had arrived to.

But seems it's not working =/
Maybe cause my disk name is "nvme0n1" ?
If you want some tests from my side, let me know.

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Jamie Cameron - 2018-11-29

I checked in another fix that should help here : https://github.com/webmin/webmin/commit/07c83691d0899ac2beb663390a10f3120418ee77

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ochbob - 2018-11-29

I tried (commited latest github version), but unfortunately it does not work =/

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Dmitry Ogurtsov - 2018-11-30

The first fix worked for me (this one: https://github.com/webmin/webmin/commit/8f5e734c9ca5704979d83bfdacf4f695334881b5)
The drive is identified by webmin, shows some info, but wen it comes to SMART data gives an error: Read NVMe SMART/Health Information failed: NVMe Status 0x6002, it's the same error if simply run sudo smartctl -x /dev/nvme0n1

According to this ticket, I've updated smartmontools to the latest version 6.7 and after update, when I run sudo smartctl -x /dev/nvme0n1, it works okay, without any errors.
However in webmin it still shows an error, as if webmin uses a previous version, see attached screenshots.

The update was made according to this guide: https://www.smartmontools.org/wiki/Download#Installfromthesourcetarball
My concern is this phrase:

If you don't pass any arguments to ./configure all files will reside under /usr/local to not interfere with files from your distribution.

Does it have something to do with webmin using the smartmontools from the wrong path?

1.jpg

2.jpg

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Ilia - 2018-11-30

This is odd as applying the patch makes things work smooth for me with my NVME SSD. Health data is also displayed using smartctl 6.6 2017-11-05 r4594

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Dmitry Ogurtsov - 2018-11-30

I use Ubuntu server 18.04 LTS, so the latest version from Ubuntu repository is smartctl 6.6 2016-05-31 r4324. I nerver tried r4594, maybe the issue is already solved there.

According to Christian Franke from smartmontools (link):

the problem is that this drive requires that the broadcast namespace is specified if SMART/Health and Error Information logs are requested. This issue was unspecified in early revisions of the NVMe standard.
Option -d nvme,0xffffffff should no longer be necessary with smartctl >= r4671.

So I installed the latest version available - r4840, which actually works, but not picked up by webmin.
I also noticed that if I run sudo smartctl it runs r4840, however if I run it without sudo, it runs the old r4324.

[user@nas ~]# sudo smartctl smartctl 6.7 2018-11-27 r4840 [x86_64-linux-4.15.0-39-generic] (local build) Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org ERROR: smartctl requires a device name as the final command-line argument. Use smartctl -h to get a usage summary

[user@nas ~]# smartctl smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-39-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org ERROR: smartctl requires a device name as the final command-line argument. Use smartctl -h to get a usage summary

I honestly cannot explain that. Anyway, can you suggest how I handle this issue?
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Dmitry Ogurtsov - 2018-12-01

Okay, I've found the problem, smartctl was just installed in a different path.
For those with similar problems - just change install path form /usr/local to /usr.
Anyway, now everything works, thanks for help.

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Jamie Cameron - 2018-12-01

Odd that Webmin didn't complain about not being able to run the smartctl command when you opened the SMART module if it was in the wrong location?

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ochbob - 2018-12-01

Thank you for feedback.
I could find the fault with this.

the first patch works great.
Sorry to saying it is not.

I had a extra command-line parameters to smartctl webmin module "-d sat" because I had an external USB HDD.

I have no more this HDD right now, and without argument it works fine :)

Thank you.

Last edit: ochbob 2018-12-01

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Not sure if this has been talked about elsewhere but as a suggestion the tool to monitor nvm disks is:

nvme-cli

nvme smart-log /dev/nvme0n1

Sample output:
Smart Log for NVME device:nvme0n1 namespace-id:ffffffff
critical_warning                    : 0
temperature                         : 43 C
available_spare                     : 100%
available_spare_threshold           : 5%
percentage_used                     : 0%
data_units_read                     : 22.102.637
data_units_written                  : 1.822.001
host_read_commands                  : 129.106.207
host_write_commands                 : 13.874.365
controller_busy_time                : 223
power_cycles                        : 57
power_on_hours                      : 851
unsafe_shutdowns                    : 41
media_errors                        : 0
num_err_log_entries                 : 12.963.329
Warning Temperature Time            : 0
Critical Composite Temperature Time : 0
Thermal Management T1 Trans Count   : 0
Thermal Management T2 Trans Count   : 0
Thermal Management T1 Total Time    : 0
Thermal Management T2 Total Time    : 0

It would be great to see it supported in Webmin

Last edit: luison 2020-02-12

SMART Drive Information Not Available for NVMe drives, Ubuntu 18.04

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#5120 SMART Drive Information Not Available for NVMe drives, Ubuntu 18.04

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