Seagate - SMART Prefailure Attribute

[ricardoj]

I hope this helps someone else.

After building a new PVE server I noticed some smartd errors but testing the disks using smartctl does not show any problem.

I found these 2 links about Seagate errors :

- https://ubuntuforums.org/showthread.php?t=2348858

- http://www.users.on.net/~fzabkar/HDD/Seagate_SER_RRER_HEC.html

The errors I see :

=========================
Aug 29 09:50:32 pve-02 smartd[3580]: Device: /dev/sdb [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 116 to 117
Aug 29 10:50:32 pve-02 smartd[3580]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 117 to 118
Aug 29 10:50:33 pve-02 smartd[3580]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 117 to 118
Aug 29 12:20:32 pve-02 smartd[3580]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 118 to 119
Aug 29 12:20:32 pve-02 smartd[3580]: Device: /dev/sda [SAT], SMART Usage Attribute: 190 Airflow_Temperature_Cel changed from 65 to 64
Aug 29 12:20:33 pve-02 smartd[3580]: Device: /dev/sdb [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 117 to 118
Aug 29 12:20:33 pve-02 smartd[3580]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 118 to 119
Aug 29 12:20:33 pve-02 smartd[3580]: Device: /dev/sda [SAT], SMART Usage Attribute: 190 Airflow_Temperature_Cel changed from 65 to 64
Aug 29 12:20:33 pve-02 smartd[3580]: Device: /dev/sda [SAT], SMART Usage Attribute: 194 Temperature_Celsius changed from 35 to 36
Aug 29 12:20:33 pve-02 smartd[3580]: Device: /dev/sdb [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 117 to 118
=========================

So from the above links, looks like there is no error at all.

Regards,

Ricardo Jorge

 

[RokaKen]

Yes, you can safely ignore those attributes. If you don't want them filling your logs, modify your /etc/smartd.conf with something like:

# Prepend any line with DEVICESCAN with '#' to comment it out.
#DEVICESCAN 

#Append to bottom of the file for YOUR specific drives:
DEFAULT -a -R 5! -I 1 -I 9 -I 190 -I 194 -I 195 
/dev/sda -d sat
/dev/sdb -d sat
# and so on

This tells smartd to monitor all attributes, report attribute 5 as a raw value, and Ignore attributes 1, 9, 190, 194 and 195. Don't forget to restart smartd with systemctl restart smartd.service.