[ProgClub programming] Fwd: SMART error (OfflineUncorrectableSector) detected on host: love

John Elliot V | ProgClub jj5 at progclub.org
Thu Apr 29 03:20:44 AEST 2021

So I got the email below from smartd running on my ProLiant MicroServer
Gen10 Ubuntu server 'love'.

I ran lsblk to get the software serial numbers (the serial number was
also in the email from smartd):

Thu Apr 29 02:44:41
root at love:/home/jj5
# lsblk -I 8 -d -o NAME,SIZE,SERIAL
sda    3.7T V6GGTPKS
sdb    3.7T V6H42DES
sdc    3.7T V6H420KS
sdd    3.7T V6GGRKVS
sde  465.8G 184220A00B57
sdf  465.8G 184301A00645
sdg  232.9G 182481804949
sdh  232.9G 182481801165

...and then I popped the lid on 'love' and used my whiz bang barcode
scanner [1] to determine the broken disk is in slot three:

HDD in 'love', facing front, left to right:

1: V6GGTPKS: /dev/sda
2: V6H42DES: /dev/sdb
3: V6H420KS: /dev/sdc
4: V6GGRKVS: /dev/sdd

My documentation


said the failed disk was a HGST HUS726T4TALA6L4 4TB WD Ultrastar.

I poppoed over to eBay


and ordered a new disk; it should arrive next week.

I did some research and documentation in preparation for the new disk's


So now it looks like I'm about to get the "I have replaced a degraded
disk in ZFS on Linux" feather in my cap. I hope nothing goes wrong!

May the Force be with you,
John Elliot V

[1] https://smile.amazon.com/gp/product/B0829R5J2X

-------- Forwarded Message --------
Subject: SMART error (OfflineUncorrectableSector) detected on host: love
Date: Thu, 29 Apr 2021 01:22:51 +1000 (AEST)
From: root <root at love.jj5.net>
To: root at love.jj5.net

This message was generated by the smartd daemon running on:

   host name:  love
   DNS domain: jj5.net

The following warning/error was logged by the smartd daemon:

Device: /dev/sdc [SAT], 5 Offline uncorrectable sectors

Device info:
HGST HUS726T4TALA6L4, S/N:V6H420KS, WWN:5-000cca-097cff090, FW:VLGNW40H,
4.00 TB

For details see host's SYSLOG.

You can also use the smartctl utility for further investigation.
The original message about this issue was sent at Sun Apr 25 01:14:04
2021 AEST
Another message will be sent in 24 hours if the problem persists.
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